| INTERDIGITAL TECHNOLOGY CORPORATION Patent applications |
| Patent application number | Title | Published |
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| 20160142958 | SEAMLESS HANDOFF SYSTEM AND METHOD - A multicellular communications system where transmission between a roving subscriber and multiple base station transceivers is maintained throughout the territory. Each mobile subscriber unit has global code seeds for the entire communications system or an updated neighbor list and continuously searches to access available cell base stations while maintaining a communication link with one base station. Candidate cell base stations are interrogated and communicated with. The candidate base station that requires less transmitting energy from the mobile subscriber unit is closely monitored. When the mobile subscriber unit can successfully communicate with less transmit power than currently required by the present base station, the mobile subscriber unit is handed off to the candidate base station transceiver. | 05-19-2016 |
| 20160142128 | METHOD AND APPARATUS FOR COOPERATIVE WIRELESS COMMUNICATIONS - A method and apparatus for wireless communications is disclosed. Channel state information (CSI) for a plurality of network nodes is transmitted. Grant information is received from at least one network node of the plurality of network nodes. The grant information is based on the transmitted CSI and includes an indication of a cooperative scheme. A plurality of beam-formed signals, including data from each of the plurality of network nodes, is received in response to the received grant information. The same data is received from each of the plurality of network nodes. | 05-19-2016 |
| 20160134340 | METHOD AND APPARATUS FOR PROCESSING FEEDBACK IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for processing feedback implemented in a wireless transmit/receive unit (WTRU) comprises estimating a channel matrix. The effective channel is calculated and a precoding matrix is selected. Feedback bits are generated and transmitted. | 05-12-2016 |
| 20160112949 | METHOD FOR CHANNEL ASSIGNMENTS IN WIRELESS SYSTEMS - A wireless transmit/receive unit (WTRU) includes a receiver configured to receive first information from a wireless network, the first information indicating a first pattern of time intervals in which the WTRU is to monitor a plurality of control channels. The WTRU further includes a baseband processor operatively coupled to the receiver, the baseband processor and the receiver configured to not monitor the plurality of control channels in time intervals outside the first pattern of time intervals. The receiver is configured to receive a downlink shared channel transmission from the wireless network. The baseband processor is operatively coupled to a transmitter, and the baseband processor and the transmitter are configured to transmit an indication of an outcome of a decoding attempt of the downlink shared channel transmission a fixed number of timeslots after transmission of the downlink shared channel transmission. The indication may be transmitted on an uplink control channel. | 04-21-2016 |
| 20160112152 | METHOD AND APPARATUS FOR SCHEDULING DEDICATED TRANSMISSIONS IN RESPONSE TO INTERFERENCE LEVELS AT NEIGHBORING BASE STATIONS - Methods, systems, and apparatuses are disclosed for reducing interference between wireless network cells. The embodiments may include: transmitting, by a base station, a physical broadcast channel in predetermined time slots in a frame; receiving, by the base station, interference information for other base stations indicating interference levels associated with its wireless transmit/receive units (WTRUs); wherein particular neighboring base stations having high interference are identified based on the received interference information; and reducing, by the base station, transmission power in the predetermined time slots in response to the interference levels. | 04-21-2016 |
| 20160100333 | MULTIPLEXING CHANNELS BY A MEDIUM ACCES CONTROLLER - A code division multiple access (CDMA) communication device comprises a medium access controller (MAC) configured to receive data from a plurality of channels. Each channel is associated with a priority and an identifier. The MAC is further configured to multiplex the data of the plurality of channels for transmission over a CDMA channel based on the priority. | 04-07-2016 |
| 20160088650 | METHOD AND APPARATUS FOR UPLINK HYBRID AUTOMATIC REPEAT REQUEST TRANSMISSION - A method and wireless transmit/receive unit (WTRU) for uplink transmission are disclosed. A WTRU receives configuration information. The configuration information includes logical channel priority information and a maximum number of hybrid automatic repeat request (HARQ) transmissions. The WTRU receives an uplink grant for a transmission time interval (TTI). The WTRU identifies a HARQ process to use for uplink transmission for the TTI. The WTRU selects data for uplink transmission for the TTI. For a new uplink transmission, data associated with a highest priority is selected. The WTRU initializes a transmission counter. The transmission counter indicates a number of transmissions associated with the selected data. The WTRU transmits the selected data over an uplink channel based on the received uplink grant using the identified HARQ process. | 03-24-2016 |
| 20160088574 | POWER CONTROL IN ORTHOGONAL SUB-CHANNELS IN WIRELESS COMMUNICATIONS - A method and apparatus for power control in a wireless communication involves establishing at least two orthogonal sub-channels within a channel for communication and controlling transmitted power in each sub-channel independently. | 03-24-2016 |
| 20160057751 | METHOD AND APPARATUS FOR MINIMIZING REDUNDANT ENHANCED DEDICATED CHANNEL ALLOCATION INFORMATION - A method and wireless transmit/receive unit (WTRU) that does not have an allocation of enhanced dedicated channel (E-DCH) resources is disclosed. The WTRU transmits E-DCH channel allocation information to a Node-B. In response to transmitting the E-DCH channel allocation information, the WTRU activates a timer. On a condition that an acknowledgement to the transmitted E-DCH channel allocation information is not received, the WTRU retransmits the E-DCH channel allocation information. On a condition that an acknowledgement to the transmitted E-DCH channel allocation information is received, the WTRU waits to transmit the E-DCH channel allocation information or updated E-DCH channel allocation information until the timer expires. | 02-25-2016 |
| 20160050595 | NEIGHBOR SCANNING IN WIRELESS LOCAL AREA NETWORKS - An access point includes a transmitter configured to transmit signals, a receiver configured to receive signals, and a timing information device. The timing information device is configured to receive a timing information request from a station associated to the access point, receive timing information for a beacon signal sent by a second access point, and report the timing information to the station. The timing information includes a time difference relative to a known reference time for transmission of the beacon signal and the time difference is an offset in timing units. | 02-18-2016 |
| 20160044658 | METHOD AND APPARATUS FOR CONFIGURING RADIO ACCESS BEARERS FOR ENHANCED UPLINK SERVICES - A method for controlling enhanced uplink transmission, implemented by a Node-B is disclosed. A Node-B receives configuration information from a radio network controller (RNC). The configuration information includes a maximum number of retransmissions associated with each of a plurality of medium access control for dedicated channel (MAC-d) flows for an enhanced uplink channel The Node-B transmits performance information to the RNC. The performance information indicates that the maximum number of retransmissions associated with one of the plurality of MAC-d flows is exceeded. | 02-11-2016 |
| 20160044607 | WIRELESS MULTI-CELL COMMUNICATION SYSTEM AND METHOD FOR MANAGING RESOURCE POWER TO PROVIDE HIGH SPEED DOWNLINK PACKET ACCESS SERVICES - A method and wireless multi-cell communication system for providing high speed downlink packet access (HSDPA) services. The system may include a radio network controller (RNC) in communication with a plurality of base stations. A control signal may be sent to at least one base station having a plurality of timeslots, e.g., in a time division duplex (TDD) system and/or frames including transmission timing intervals (TTIs), e.g., in a frequency division duplex (FDD) system assigned thereto for the establishment of HSDPA channels. The control signal indicates a maximum allowed HSDPA transmit power for each of the timeslots and/or TTIs. The base station sends a feedback signal to the RNC indicating the results of measurements of the power of the transmitted HSDPA timeslots and/or TTIs during a predetermined time period. | 02-11-2016 |
| 20160044577 | METHOD AND SYSTEM FOR AUTONOMOUS CHANNEL COORDINATION FOR A WIRELESS DISTRIBUTION SYSTEM - A method and system for autonomous channel coordination for a wireless distribution system (WDS) are disclosed. A wireless communication system includes a plurality of access points (APs) and the APs communicate each other via a WDS. A coordinated channel group (CCG) of a plurality of member APs is established. The member APs of the CCG camp on a WDS channel used for the WDS among the member APs of the CCG. One AP among the member APs of the CCG is designated as a master AP. The master AP coordinates with other member APs of the CCG for selecting and configuring the WDS channel for the CCG and addition and deletion of member APs. By allowing APs to define a CCG, changes of the WDS channel are performed autonomously while maintaining connectivity. | 02-11-2016 |
| 20160037532 | METHOD AND APPARATUS FOR MAPPING OF ABSOLUTE POWER GRANT VALUES IN WIRELESS COMMUNICATIONS - A method and apparatus for adjusting power grants in wireless communications. Multiple power grant tables are stored and one or more tables are designated during communication. | 02-04-2016 |
| 20160037517 | METHOD AND APPARATUS FOR TRANSMITTING ENHANCED UPLINK DATA USING A H-ARQ PROCESS - A wireless transmit/receive unit (WTRU) is configured to configure a set of hybrid automatic repeat request (H-ARQ) processes. The WTRU is configured to receive information which limits a particular MAC-d flow to accessing a limited set of H-ARQ processes. The WTRU is configured to determine whether a first H-ARQ process from the set of H-ARQ processes is available for transmitting EU data in a transmit time interval (TTI). The WTRU is configured to determine whether the particular MAC-d flow has access to the first H-ARQ process, based on the information received. The WTRU is configured to transmit data from the particular MAC-d flow in the TTI using the first H-ARQ process, on a condition that the first H-ARQ process is available for transmitting EU data in the TTI and that the particular MAC-d flow has access to the first H-ARQ process. | 02-04-2016 |
| 20160029200 | SYSTEM FOR PERMITTING CONTROL OF THE PURGING OF A NODE B BY THE SERVING RADIO NETWORK CONTROLLER - A system and method which permit the RNC to control purging of data buffered in the Node B. The RNC monitors for a triggering event, which initiates the purging process. The RNC then informs the Node B of the need to purge data by transmitting a purge command, which prompts the Node B to delete at least a portion of buffered data. The purge command can include instructions for the Node B to purge all data for a particular UE, data in one or several user priority transmission queues or in one or more logical channels in the Node B, depending upon the particular data purge triggering event realized in the RNC. | 01-28-2016 |
| 20160021701 | METHOD AND APPARATUS FOR SELECTIVELY ENABLING RECEPTION OF DOWNLINK SIGNALING CHANNELS - In a wireless communication system including a wireless transmit/receive unit (WTRU) and at least one Node-B, a method and apparatus is used to selectively enable reception of at least one downlink (DL) enhanced uplink (EU) signaling channel established between the WTRU and the Node-B(s). During the operation of an enhanced dedicated channel (E-DCH), the WTRU monitors at least one DL EU signaling channel established between the WTRU and the Node-B(s) only when it is necessary, based on the WTRU's knowledge of at least one established standard procedure. The WTRU coordinates and consolidates DL signaling channel reception requirements of a plurality of channel allocation and/or data transmission procedures carried out by the WTRU in accordance with the established standard procedure. The WTRU determines whether to enable reception of at least one specific DL signaling channel based on the consolidated DL signaling channel reception requirements. | 01-21-2016 |
| 20160007297 | UPLINK POWER CONTROL USING A RECEIVED REFERENCE SIGNAL - A user equipment (UE) may receive control information having first information that is an allocation of an uplink channel and second information that may be used to derive a modulation and coding for the uplink channel. A communication by the UE may include an adaptive modulation and coding report. A transmission power level of the communication may be derived from the second information and a path loss measured by the UE. | 01-07-2016 |
| 20150382317 | METHOD AND APPARATUS FOR MAINTAINING UPLINK SYNCHRONIZATION AND REDUCING BATTERY POWER CONSUMPTION - A Node-B sends a polling message to a wireless transmit/receive unit (WTRU). The WTRU sends an uplink synchronization burst in response to the polling message without contention. The Node-B estimates an uplink timing shift based on the synchronization burst and sends an uplink timing adjustment command to the WTRU. The WTRU then adjusts uplink timing based on the uplink timing adjustment command. Alternatively, the Node-B may send a scheduling message for uplink synchronization to the WTRU. The WTRU may send a synchronization burst based on the scheduling message. Alternatively, the WTRU may perform contention-based uplink synchronization after receiving a synchronization request from the Node-B. The WTRU may enter an idle state instead of performing a handover to a new cell when the WTRU moves to the new cell. A discontinuous reception (DRX) interval for the WTRU may be set based on activity of the WTRU. | 12-31-2015 |
| 20150381319 | METHOD AND APPARATUS FOR COMBINING SPACE-FREQUENCY BLOCK CODING, SPATIAL MULTIPLEXING AND BEAMFORMING IN A MIMO-OFDM SYSTEM - A method and apparatus for combining space-frequency block coding (SFBC) in a multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) system is described herein. A transmitter, according to one embodiment, may include four antennas and circuitry configured to transmit in an OFDM symbol time period using both frequency diversity and SFBC. For frequency diversity at least one first data element may be repeated producing at least two second data elements and the two second data elements are transmitted using different subcarriers. For space frequency block coding, a pair of third data elements may be space frequency block coded producing four fourth data elements. The four fourth data elements may be transmitted using two subcarriers and only two of the four antennas. | 12-31-2015 |
| 20150373708 | MOBILE COMMUNICATION SYSTEM AND METHOD FOR PROVIDING COMMON CHANNEL COVERAGE USING BEAMFORMING ANTENNAS - A wireless transmit/receive unit (WTRU) includes circuitry configured to receive information from a base station indicating an assignment of periodic time slots to transmit sounding signals and circuitry configured to transmit sounding signals to the base station in the assigned periodic time slots in response to the received information, wherein a timing of transmission of the sounding signals in response to the received information differs between a time division duplex mode and a frequency division duplex mode, and wherein the transmitted sounding signals are distinguishable from sounding signals from other WTRUs. | 12-24-2015 |
| 20150373581 | METHOD AND APPARATUS FOR VERSATILE MAC MULTIPLEXING IN EVOLVED HSPA - Methods and apparatus for versatile medium access control (MAC) multiplexing in evolved HSPA are disclosed. More particularly, methods for downlink optimization of the enhanced high speed MAC (MAC-ehs) entity and uplink optimization of the MAC-i/is entity are disclosed. Apparatuses for using the optimized downlink and uplink MAC entities are also disclosed. | 12-24-2015 |
| 20150365916 | DETERMINING PAGING FRAMES IN A WIRELESS NETWORK - A paging frame may be determined from a combination of a first value divided by a second value and a WTRU identifier modulo the second value. The WTRU identifier may be related to an international mobile subscriber identification (IMSI) value of the WTRU. | 12-17-2015 |
| 20150359006 | RANDOM ACCESS CHANNEL FOR OFDM-MIMO SYSTEM - In orthogonal frequency division multiplexing (OFDM) multiple-input multiple-output (MIMO) systems, a wireless transmit/receive unit (WTRU) selects a random access channel (RACH) and a phase for a constant amplitude zero auto correlation (CAZAC) sequence for RACH transmission. The WTRU then transmits a RACH transmission to a Node B via the selected RACH. Once the RACH transmission is detected, the Node B sends an acknowledgement (ACK) to the WTRU over an ACK channel. The Node B may transmit the ACK on a shared channel. The WTRU may ramp up transmit power while the RACH transmission is transmitted, or steps up transmit power of a subsequent RACH transmission. The RACH transmission and data transmission may be either time multiplexed or frequency multiplexed. A plurality of RACHs may be defined and one of the defined RACHs may be selected randomly or based on predetermined criteria. | 12-10-2015 |
| 20150358958 | METHOD AND APPARATUS FOR PROVIDING AND UTILIZING A NON-CONTENTION BASED CHANNEL IN A WIRELESS COMMUNICATION SYSTEM - In a wireless communication system comprising at least one evolved Node-B (eNB) and a plurality of wireless transmit/receive units (WTRUs), a non-contention based (NCB) channel is established, maintained, and utilized. The NCB channel is allocated for use by one or more WTRUs in the system for utilization in a variety of functions, and the allocation is communicated to the WTRUs. The wireless communication system analyzes the allocation of the NCB channel as required, and the NCB channel is reallocated as required. | 12-10-2015 |
| 20150351094 | METHOD AND APPARATUS FOR MANAGING WIRELESS COMMUNICATION NETWORK RADIO RESOURCES - A method and apparatus for managing radio resources in one or more wireless communication networks. At least one radio resource manager (RRM) is provided within a network node, or as an independent entity. The RRM monitors performance on wireless communication links of the network(s) and interacts with nodes associated with those links to change the configuration on a particular wireless communication link if its performance (i.e., quality) falls below an established threshold. Information regarding current resource usage of the network is sent to the RRM by the nodes. Each of the nodes may send a quality report to the RRM including wireless communication link quality measurements and performance statistics. Alternatively, the RRM may perform the wireless communication link quality measurements. The RRM facilitates the broadcasting of information regarding current resource usage of one network to other networks to avoid collisions and interference. | 12-03-2015 |
| 20150351046 | DOWNLINK POWER CONTROL FOR MULTIPLE DOWNLINK TIME SLOTS IN TDD COMMUNICATION SYSTEMS - A method for downlink power control for use in a spread spectrum time division communication system having time slots for communication, implemented in a user equipment, includes receiving data in a command per coded composite transport channel (CCTrCH) transmitted over a plurality of time slots. An interference power for each time slot of the plurality of time slots is measured and a single power command for the entire CCTrCH is transmitted in response to a signal to interference ratio of the received CCTrCH and the measured interference power measurement for each time slot. A subsequent data is received in the CCTrCH communication having a transmission power level for each downlink communication time slot set individually in response to the interference power measurement for that time slot and the single power command for the entire CCTrCH. | 12-03-2015 |
| 20150327206 | METHOD AND APPARATUS FOR EFFICIENTLY DELIVERING SUPPLEMENTARY SERVICES TO MULTI-TECHNOLOGY CAPABLE WIRELESS TRANSMIT/RECEIVE UNITS - A multiple wireless access technology capable (WAT-capable) wireless transmit receive unit (WTRU) includes a registration message generator configured to generate a registration message indicating that the WTRU is configured to communicate using an IEEE 802.11x technology. The WTRU also includes a transmitter configured to send the registration message via an IEEE 802.11x WLAN to a cellular network during registration with the cellular network, and a receiver configured to receive services from the cellular network via the WLAN. The registration message further indicates that the WTRU is configured to receive Short Message Service (SMS) messages from the cellular network via the WLAN. The WTRU receiver receives services that include Short Message Service (SMS) messages. | 11-12-2015 |
| 20150326306 | WIRELESS RECEIVER - A method and apparatus for a wireless receiver are described herein. A user equipment (UE) may process control information in a first time slot of a transmission time interval (TTI) having a plurality of time slots. The UE may, in response to the control information including valid resource assignment information for the UE, receive data in the first time slot and another time slot of the TTI. The UE may, in response to the control information not including valid resource assignment information for the UE, discontinue reception in the TTI. The UE may discontinue reception for another time slot of the TTI. The circuitry may be further configured to receive a transmission indicating that a base station will discontinuously transmit to the UE. The control information may be processed prior to processing any of the data symbols of the TTI. | 11-12-2015 |
| 20150319653 | METHODS AND SYSTEM FOR PERFORMING HANDOVER IN A WIRELESS COMMUNICATION SYSTEM - A method and system for performing handover in a third generation (3G) long term evolution (LTE) system are disclosed. A source evolved Node-B (eNode-B) makes a handover decision based on measurements and sends a handover request to a target eNode-B. The target eNode-B sends a handover response to the source eNode-B indicating that a handover should commence. The source eNode-B then sends a handover command to a wireless transmit/receive unit (WTRU). The handover command includes at least one of reconfiguration information, information regarding timing adjustment, relative timing difference between the source eNode-B and the target eNode-B, information regarding an initial scheduling procedure at the target eNode-B, and measurement information for the target eNode-B. The WTRU then accesses the target eNode-B and exchanges layer 1/2 signaling to perform downlink synchronization, timing adjustment, and uplink and downlink resource assignment based on information included in the handover command. | 11-05-2015 |
| 20150312914 | FULL DUPLEX COMMUNICATION SYSTEM USING DISJOINT SPECTRAL BLOCKS - The invention involves utilizing pieces of disjoint spectral blocks. In one embodiment, a frequency division duplex approach is used, where each spectral block is utilized solely for either uplink or downlink communications. In another embodiment, a time division duplex approach is used, where each spectral block is time divided and uplink and downlink communications are assigned to different time slots within the same spectral blocks. In another embodiment, a code division duplex approach is utilized, where uplink and downlink communications are assigned different codes/hopping patterns within a same spectral block. | 10-29-2015 |
| 20150288506 | ADAPTIVE UPLINK/DOWNLINK TIMESLOT ASSIGNMENT IN A HYBRID WIRELESS TIME DIVISION MULTIPLE ACCESS/CODE DIVISION MULTIPLE ACCESS COMMUNICATION SYSTEM - A method and apparatus for adaptive uplink/downlink resource assignment may include determining uplink interference associated with each of several uplink resources. The method and apparatus may produce an uplink list with values for the uplink resources. The method and apparatus may compare a downlink power level to a threshold for each of the downlink resources and produce a downlink list. The downlink list may be a bit stream providing an indication, for each downlink resource, indicating whether each of the downlink resources have a downlink power level which is less than or equal to the threshold. The method and apparatus may send the uplink and downlink lists. The method and apparatus may receive an uplink list and a downlink list from each of several neighboring wireless network devices. The method and apparatus may schedule uplink and downlink resources to a user equipment based on the uplink and downlink lists received. | 10-08-2015 |
| 20150271215 | METHOD FOR SUPPORTING CIRCUIT SWITCHED INTERWORKING - A method includes receiving internet protocol (IP) multimedia core network subsystem (IMS) session content that includes voice call content in IMS domain and multimedia content in IMS domain; translating the voice call content in IMS domain to voice call content in circuit switched (CS) domain; transmitting the voice call content in CS domain to a wireless transmit/receive unit (WTRU) via a CS domain entity and a radio access network (RAN); and transmitting the multimedia content in IMS domain to the WTRU via a PS domain entity and the RAN. | 09-24-2015 |
| 20150264661 | POINT TO MULTI-POINT SERVICES USING HIGH SPEED SHARED CHANNELS IN WIRELESS COMMUNICATION SYSTEMS - Service data is transferred in a wireless communication system. A first service identification is transmitted for reception by a group of users of a cell in the system. The group of users does not include all of the users of the cell. Each of the group of users receives the service identification. Each of the group of users monitors for a second service identification being transmitted over a high speed downlink shared channel (HS-DSCH). The service data is transmitted over the HS-DSCH with the second service identification. Each of the group of users detects the second service identification and receives the service data of the HS-DSCH. | 09-17-2015 |
| 20150257202 | METHOD AND APPARATUS FOR ENHANCING DISCONTINUOUS RECEPTION IN WIRELESS SYSTEMS - A method of discontinuous reception (DRX) in a wireless transmit receive unit (WTRU) includes the WTRU receiving DRX setting information over a radio resource control (RRC) signal, and the WTRU receiving DRX activation information over medium access control (MAC) signal. | 09-10-2015 |
| 20150249986 | METHOD AND APPARATUS FOR CONTROL OF ENHANCED DEDICATED CHANNEL TRANSMISSIONS - A method and apparatus for controlling enhanced dedicated channel (E-DCH) transmissions are disclosed. A wireless transmit/receive unit (WTRU) is configured to have a plurality of hybrid automatic repeat request (H-ARQ) processes for transmission of enhanced dedicated channel (E-DCH) data. At least one of the plurality of H-ARQ processes is configured to not transmit scheduled data. The WTRU is configured, for a transmission time interval of the at least one H-ARQ process, to multiplex scheduling information into a medium access control for enhanced dedicated channel (MAC-e) protocol data unit (PDU) for transmission using the at least one H-ARQ process, wherein scheduled data is not multiplexed into the MAC-e PDU. | 09-03-2015 |
| 20150249983 | BI-DIRECTIONAL AND REVERSE DIRECTIONAL RESOURCE RESERVATION SETUP PROTOCOL - A wireless user equipment (UE) may include a reservation setup protocol (RSVP) message generator. The RSVP message generator may be configured to generate a RSVP message to a communication peer via a network that includes at least one router for reserving resources along a path. The RSVP PATH message may include a bi-directional direction indicator, an address of at least one router, and at least one of an indication of a peak data rate, token bucket rate, or maximum packet size. The message may provide an indication for reservation of bi-directional communication resources, wherein the bi-directional communication resources include resources in a direction from the device and in a direction toward the device. The UE may also include an RSVP message receiver configured to receive a refresh message, wherein the resources along the path are maintained upon receipt of the refresh message. The refresh message may be received periodically. | 09-03-2015 |
| 20150244417 | INTERFERENCE CANCELLATION IN A SPREAD SPECTRUM COMMUNICATION SYSTEM - A method and apparatus used to transmit and receive weighted data transmissions over a plurality of antennas using a plurality of different pilot signals. Different pilot signals are produced and a different pilot signal of the plurality of pilot signals is transmitted on each of a plurality of antennas. Each of the pilot signals is derived from a pseudo noise (PN) sequence and a bit sequence of the PN sequence for each of the pilot signals is different. A plurality of data streams are produced in which each of the data streams has data bits combined with bits of a PN sequence. The data streams are weighted in response to weight information received from a receiving device and the plurality of weighted data streams are transmitted using the plurality of antennas. | 08-27-2015 |
| 20150236815 | METHOD AND APPARATUS FOR IMPLEMENTING SPACE FREQUENCY BLOCK CODING IN AN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING WIRELESS COMMUNICATION SYSTEM - The present invention is related to a method and apparatus for implementing space frequency block coding (SFBC) in an orthogonal frequency division multiplexing (OFDM) wireless communication system. The present invention is applicable to both a closed loop mode and an open loop mode. In the closed loop mode, power loading and eigen-beamforming are performed based on channel state information (CSI). A channel coded data stream is multiplexed into two or more data streams. Power loading is performed based on the CSI on each of the multiplexed data streams. SFBC encoding is performed on the data streams for each of the paired subcarriers. Then, eigen-beamforming is performed based on the CSI to distribute eigenbeams to multiple transmit antennas. The power loading may be performed on two or more SFBC encoding blocks or on each eigenmodes. Additionally, the power loading may be performed across subcarriers or subcarrier groups for weak eigenmodes. | 08-20-2015 |
| 20150230228 | SENDING AND REDUCING UPLINK FEEDBACK SIGNALING FOR WIRELESS TRANSMISSION OF DATA - A wireless transmit/receive unit includes at least one processor that receives a high speed physical downlink shared channel, and in response, transmits at least one random access channel preamble followed by ACK/NACK and channel quality indicator (CQI) information. The at least one random access channel preamble is selected from a set of random access preambles reserved for the ACK/NACK and CQI information. | 08-13-2015 |
| 20150230222 | METHOD FOR USING A BASE STATION TO SELECTIVELY UTILIZE CHANNELS TO SUPPORT A PLURALITY OF COMMUNICATIONS - A method for using a code division multiple access (CDMA) subscriber unit to transmit a communication to a base station at a first data rate using at least one communication channel, determine an adjusted data rate desired for support of the communication, and transmit the communication to the base station over a second channel at a second data rate, wherein the first data rate is different than the second data rate. | 08-13-2015 |
| 20150229349 | SIMPLE BLOCK SPACE TIME TRANSMIT DIVERSITY USING MULTIPLE SPREADING CODES - A base station and user equipment (UE) for use in a CDMA communication system are disclosed. The base station includes a first and second antenna for transmitting first and second communication bursts. The first channelization device spreads data using a first channelization code and the second channelization device spreads the data using a second channelization code. The UE has a data detection device for receiving a signal including the first and second communication bursts. | 08-13-2015 |
| 20150223163 | METHOD AND APPARATUS FOR EFFICIENT ADDRESSING AND POWER SAVINGS IN WIRELESS COMMUNICATIONS - A method and apparatus may be used for assigning groups of stations in wireless communications to one or more groups. Groups may be assigned by an access point (AP) based on information received from a station (STA). Group information may be signaled to each station and a group identifier may be indicated in a frame. The group information may be applied to a performance enhancement, for example power savings for the station, wherein the station enters a power saving mode on a condition that the station determines that it is not a member of the group. | 08-06-2015 |
| 20150222397 | METHOD AND APPARATUS FOR DATA SECURITY AND AUTOMATIC REPEAT REQUEST IMPLEMENTATION IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for implementing data security and automatic repeat request (ARQ) in a wireless communication system are disclosed. Cipher entities are included in a wireless transmit/receive unit (WTRU) and an access gateway (aGW), and outer ARQ, (or radio link control (RLC)), entities are included in the WTRU and an evolved Node-B (eNode-B). Each cipher entity is located on top of an outer ARQ entity. The cipher entities cipher and decipher a data block by using a generic sequence number (SN) assigned to the data block. The outer ARQ entities may segment the ciphered data block to multiple packet data units (PDUs), may concatenate multiple ciphered data blocks to a PDU, or may generate one PDU from one data block. The outer ARQ entities may segment or re-segment the PDU when a transmission failure occurs. | 08-06-2015 |
| 20150215828 | METHOD AND SYSTEM FOR DELIVERY OF ASSISTANCE DATA - A method and apparatus are used for providing assistance data to wireless transmit/receive units (WTRU)s. The assistance data may include information regarding neighboring access points (AP)s. The assistance data may be transmitted to WTRUs using multicast, broadcast, and/or point-to-point signaling. The assistance data may be used to facilitate ring and handover of WTRUs from one AP to another. | 07-30-2015 |
| 20150212876 | FEEDBACK SIGNALING ERROR DETECTION AND CHECKING IN MIMO WIRELESS COMMUNICATION SYSTEMS - A method of feedback in a wireless transmit receive unit includes providing a precoding matrix index (PMI), error checking the (PMI) to produce an error check (EC) bit, coding the PMI and the EC bit and transmitting the coded PMI and EC bit. | 07-30-2015 |
| 20150208416 | METHOD AND APPARATUS FOR SELECTING A MULTI-BAND ACCESS POINT TO ASSOCIATE WITH A MULTI-BAND MOBILE STATION - A method and apparatus for selecting one of a plurality of multi-band access points (APs) to associate with a multi-band wireless transmit/receive unit (WTRU) are disclosed. The multi-band APs broadcast frequency band information regarding multiple frequency bands on which the multi-band AP is configured to operate. The multi-band WTRU selects a particular multi-band AP to associate with and a frequency band to use to communicate with the selected multi-band AP based on the frequency band information. If the multi-band WTRU receives frequency band information from the selected multi-band AP which indicates that a characteristic, (e.g., throughput, path loss, load, capacity, backhaul), of the selected frequency band is unacceptable, the multi-band WTRU determines whether to disassociate with the selected multi-band AP or to continue to associate with the selected multi-band AP via a different frequency band. | 07-23-2015 |
| 20150208380 | POINT TO MULTI-POINT SERVICES USING SHARED CHANNELS IN WIRELESS COMMUNICATION SYSTEMS - Service data is transferred in a wireless communication system. A first service identification is synchronously transmitted for reception by a group of users of a cell in the system. The group of users does not include all of the users of the cell. Each of the group of users receives the service identification. Each of the group of users monitors for a second service identification being transmitted over a downlink shared channel. The service data is transmitted over the downlink shared channel with the second service identification. Each of the group of users detects the second service identification and receives the service data of the downlink shared channel. | 07-23-2015 |
| 20150195793 | COMBINED OPEN LOOP/CLOSED LOOP (CQI-BASED) UPLINK TRANSMIT POWER CONTROL WITH INTERFERENCE MITIGATION FOR E-UTRA - A combined open loop and closed loop (channel quality indicator (CQI)-based) transmit power control (TPC) scheme with interference mitigation for a long term evolution (LTE) wireless transmit/receive unit (WTRU) is disclosed. The transmit power of the WTRU is derived based on a target signal-to-interference noise ratio (SINR) and a pathloss value. The pathloss value pertains to the downlink signal from a serving evolved Node-B (eNodeB) and includes shadowing. An interference and noise value of the serving eNodeB is included in the transmit power derivation, along with an offset constant value to adjust for downlink (DL) reference signal power and actual transmit power. A weighting factor is also used based on the availability of CQI feedback. | 07-09-2015 |
| 20150195782 | IMPLICIT DRX CYCLE LENGTH ADJUSTMENT CONTROL IN LTE_ACTIVE MODE - A method for controlling discontinuous reception in a wireless transmit/receive unit includes defining a plurality of DRX levels, wherein each DRX level includes a respective DRX cycle length and transitioning between DRX levels based on a set of criteria. The transitioning may be triggered by implicit rules. | 07-09-2015 |
| 20150195761 | BALANCING PAGING LOAD AND TRACKING AREA UPDATES - A method for assigning a tracking area (TA) is disclosed. A mobility state of a wireless transmit/receive unit (WTRU) is determined and the TA is assigned based on the determined mobility state. Also disclosed is a method for accessing a closed subscriber group (CSG) TA. A CSG TA identifier is received at a WTRU and is stored. A CSG TA broadcast is received and the broadcast CSG TA is accessed if an identifier of the broadcast CSG TA matches the stored CSG TA identifier. Also disclosed is a method for changing a mobility state of a WTRU. A current mobility state of the WTRU is determined and a predetermined metric of the WTRU is examined. The predetermined metric is evaluated to determine if the metric has crossed a threshold and the mobility state is changed based on the evaluated metric. | 07-09-2015 |
| 20150189607 | POWER CONTROL FOR COMMUNICATIONS SYSTEMS UTILIZING HIGH SPEED SHARED CHANNELS - A method and apparatus are described for controlling transmitter power in a wireless communication system in which both dedicated and shared channels are utilized. A wireless transmit/receive unit (WTRU) may receive a first channel (e.g., downlink shared channel), power commands for a second channel (e.g., dedicated channel) and power commands for a third channel (e.g., uplink shared channel). The WTRU may transmit in a transmission time interval at least one of the second channel and the third channel. Acknowledgments and negative acknowledgements to signals received over the first channel may be sent on the third channel. The WTRU may determine a transmission power level of the second channel in response to the second channel power commands and not the third channel power commands. The WTRU may determine a transmission power level of the third channel in response to the third channel power commands and not the second channel power commands. | 07-02-2015 |
| 20150181616 | MULTIPLEXING CHANNELS BY A MEDIUM ACCESS CONTROLLER - A code division multiple access (CDMA) communication device comprises a medium access controller (MAC) configured to receive data from a plurality of channels. Each channel is associated with a priority and an identifier. The MAC is further configured to multiplex the data of the plurality of channels for transmission over a CDMA channel based on the priority. | 06-25-2015 |
| 20150163722 | DL BACKHAUL CONTROL CHANNEL DESIGN FOR RELAYS - Methods and apparatus are described for providing compatible mapping for backhaul control channels, frequency first mapping of control channel elements (CCEs) to avoid relay-physical control format indicator channel (R-PCFICH) and a tree based relay resource allocation to minimize the resource allocation map bits. Methods and apparatus (e.g., relay node (RN)/evolved Node-B (eNB)) for mapping of the Un downlink (DL) control signals, Un DL positive acknowledgement (ACK)/negative acknowledgement (NACK), and/or relay-physical downlink control channel (R-PDCCH) (or similar) in the eNB to RN (Un interface) DL direction are described. This includes time/frequency mapping of above-mentioned control signals into resource blocks (RBs) of multimedia broadcast multicast services (MBMS) single frequency network (MBSFN)-reserved sub-frames in the RN cell and encoding procedures for these. Also described are methods and apparatus for optimizing signaling overheads by avoiding R-PCFICH and minimizing bits needs for resource allocation. | 06-11-2015 |
| 20150163645 | CONTROLLING THE DISTRIBUTION OF MULTIMEDIA BROADCAST / MULTICAST SERVICE - A first number of active wireless transmit/receive units (WTRUs) in a cell for a multimedia broadcast/multicast service (MBMS) service is determined. MBMS resources are allocated for the cell based on the determined first number of active WTRUs. MBMS data of the MBMS service is transmitted to the active WTRUs using the allocated MBMS resources. A second number of active WTRUs in the cell for the MBMS service is determined The MBMS service is stopped in the cell based on the determined second number of active WTRUs in the cell. | 06-11-2015 |
| 20150162968 | MEASUREMENT SUPPORT FOR A SMART ANTENNA IN A WIRELESS COMMUNICATION SYSTEM - A method for taking measurements with a smart antenna in a wireless communication system having a plurality of STAs begins by sending a measurement request from a first STA to a second STA. At least two measurement packets are transmitted consecutively from the second STA to the first STA. Each measurement packet is received at the first STA using a different antenna beam. The first STA performs measurements on each measurement packet and selects an antenna beam direction based on the measurement results. | 06-11-2015 |
| 20150156696 | METHOD AND APPARATUS FOR CELL UPDATE WHILE IN AN ENHANCED CELL_FACH STATE - A method and apparatus for cell update while in a Cell_FACH state are disclosed. After selecting a target cell, system information is read from the target cell including high speed downlink shared channel (HS-DSCH) common system information. A radio network temporary identity (RNTI) received in a source cell is cleared and a variable HS_DSCH_RECEPTION is set to TRUE. An HS-DSCH medium access control (MAC-hs) entity is configured based on the HS-DSCH common system information. High speed downlink packet access (HSDPA) transmission is then received in the target cell. A CELL UPDATE message is sent to notify of a cell change. The HSDPA transmission may be received using a common H-RNTI broadcast in the system information, a reserved H-RNTI as requested in a CELL UPDATE message, or a temporary identity which is a subset of a U-RNTI. The MAC-hs entity may be reset. | 06-04-2015 |
| 20150156665 | METHOD AND APPARATUS FOR DETERMINING AND MANAGING CONGESTION IN A WIRELESS COMMUNICATIONS SYSTEM - A method and apparatus may be used for network management via MAC measurements. The measurements may include WTRU uplink traffic loading measurement, and an AP service loading measurement. The measurements may be applicable to at least to layers 1 and 2 as applied to, for example, 802.11k in the context of OFDM and CDMA 2000 systems, but may be applicable to other scenarios as well. A method for determining and transmitting congestion information may be provided for a Wireless Local Area Network (WLAN) system. The method and apparatus may be used for managing congestion when congestion is detected. The method and apparatus may be used in wireless systems that use a Carrier Sense Multiple Access/Collision Avoidance (CSMA/CA) mechanism. The methods may be implemented in wireless transmit/receive units (WTRU)s and access points (AP)s of various forms. | 06-04-2015 |
| 20150148045 | METHOD AND SYSTEM FOR STATION LOCATION BASED NEIGHBOR DETERMINATION AND HANDOVER PROBABILITY ESTIMATION - The present invention is a method and system for station location based neighbor determination and handover probability estimation. A serving access point determines the location and movement measurements of a station (STA). Neighboring access points report coordinates of cell fringes of the neighboring access points. The STA sends a request for system information to the current access point along with current location of the STA. The current access point provides the system information, and the STA utilizes the system information to determine best handover candidate from among neighboring access points and an estimate of the time for handover. | 05-28-2015 |
| 20150139143 | METHOD AND APPARATUS FOR IMPLEMENTING SPACE TIME PROCESSING - A method and apparatus for implementing spatial processing with unequal modulation and coding schemes (MCSs) or stream-dependent MCSs are disclosed. Input data may be parsed into a plurality of data streams, and spatial processing is performed on the data streams to generate a plurality of spatial streams. An MCS for each data stream is selected independently. The spatial streams are transmitted via multiple transmit antennas. At least one of the techniques of space time block coding (STBC), space frequency block coding (SFBC), quasi-orthogonal Alamouti coding, time reversed space time block coding, linear spatial processing and cyclic delay diversity (CDD) may be performed on the data/spatial streams. An antennal mapping matrix may then be applied to the spatial streams. The spatial streams are transmitted via multiple transmit antennas. The MCS for each data stream may be determined based on a signal-to-noise ratio of each spatial stream associated with the data stream. | 05-21-2015 |
| 20150119091 | METHOD AND SYSTEM FOR REPORTING A SHORT MESSAGE CAPABILITY VIA AN IP MULTIMEDIA SUBSYSTEM - A method and system for reporting short message (SM) capability over an IP multimedia subsystem (IMS) using a session initiation protocol (SIP) are disclosed. A wireless transmit/receive unit (WTRU) registers with a core network and sends a message indicating its SM capability via the IMS to the core network. The core network then updates the WTRU capabilities based on the message and routes an SM to the WTRU via the IMS. | 04-30-2015 |
| 20150103808 | RANDOM ACCESS CHANNEL PREAMBLE - One out of sixteen preamble signatures is selected. A code is produced based on the selected preamble signature. The produced code is phase rotated to produce a processed preamble signature signal. The processed preamble signature signal is used in processing the CDMA RACH signal and the CDMA RACH signal is used to access a CDMA system. | 04-16-2015 |
| 20150100863 | METHOD AND APPARATUS FOR ENCODING AND DECODING A HIGH SPEED SHARED CONTROL CHANNEL - A method and apparatus for encoding and decoding a data block are disclosed. The data block may be for a physical channel. Further, the data block may be for a shared channel. For data block encoding, a Node-B may calculate cyclic redundancy check (CRC) bits for the data block. The data block may be used to calculate the CRC bits. The Node-B may mask the CRC bits with a wireless transmit/receive unit (WTRU) identity (ID). Further, the Node-B may attached the masked CRC bits to the data block. Using a transmitter, the Node-B may transmit the data block over a physical channel. Further, the Node-B may transmit the data block over a shared channel. A WTRU may receive the data block, including the masked CRC bits. Using the WTRU ID, the WTRU may de-mask the CRC bits. The WTRU may perform a CRC check using the de-masked CRC bits. | 04-09-2015 |
| 20150092720 | METHODS AND SYSTEMS FOR PROVIDING EFFICIENT OPERATION OF MULTIPLE MODES IN A WLAN SYSTEM - A method and apparatus that applies medium access control (MAC) transmission opportunity (TXOP) protection for multiple mode operation in a WLAN system. In particular, MAC mechanisms are defined to support multiple mode CTS frames, and multiple mode CF-End frames sent by the AP, each in a format appropriate for the corresponding mode which may also apply to a single mode. MAC mechanisms permit truncation of TXOP duration for releasing the unused portion of the TXOP when no further data for transmission is available. Release of unused protected TXOP is possible for both protected AP transmissions and STA transmissions. | 04-02-2015 |
| 20150085741 | METHOD AND APPARATUS FOR COOPERATIVE WIRELESS COMMUNICATIONS - A method and apparatus for cooperation in wireless communications. Cooperation is considered among a number of network elements, including at least one wireless transmit-receive unit, at least one relay station, and at least one base station. | 03-26-2015 |
| 20150078317 | METHOD AND SYSTEM FOR OPTIMIZING POWER RESOURCES IN WIRELESS DEVICES - A method and system is disclosed for a device to quickly determine if data is being sent to it. If no data is being sent to the device, the device may return to a sleep mode so as to conserve energy. The present invention includes organizing and transmitting, one at a time, all device destination identifiers. If a message listing search indicates that no message is being sent for a device, the device can continue with any other activity that needs servicing, or if no other activity is pending, it may shut down to conserve power until the next wake up period arrives. If the search returns a positive indication, the count value when the identifier is found can be used to determine the location of the pointer to the message. | 03-19-2015 |
| 20150071243 | METHOD FOR PERFORMING WIRELESS SWITCHING - A wireless communication system includes an infrastructure device for transmitting and receiving communications to and from a plurality of wireless user terminals. Each wireless user terminal includes a receiver and a controller that receives a plurality of orthogonal frequency division multiplexing (OFDM) signals on a first carrier frequency of a downlink. Each of the plurality of OFDM signals includes carrier frequency assignment information indicating a carrier frequency to transmit uplink data and spatial pattern information indicating a spatial pattern. In response to the carrier frequency assignment information of each of the plurality of OFDM signals, a transmitter and the controller of the wireless user terminal transmit a plurality of uplink signals. Each of the plurality of uplink signals are transmitted on the indicated carrier frequency and using the indicated spatial pattern. | 03-12-2015 |
| 20150065190 | METHOD FOR TRANSMIT AND RECEIVE POWER CONTROL IN MESH SYSTEMS - A method and apparatus for controlling transmit and receive power level of a mesh point (MP) operating in a mesh wireless communication network of a plurality of MPs. Power capability information of a new MP is sent to at least one existing MP in the mesh network. The existing MP accepts the new MP as a member of the mesh network and sends allowed power setting information to the new MP. The new MP adjusts its power level in accordance with the allowed power setting information. | 03-05-2015 |
| 20150044994 | SYSTEM AND METHOD FOR PROVIDING VARIABLE SECURITY LEVEL IN A WIRELESS COMMUNICATION SYSTEM - A system and method for providing variable security levels in a wireless communication network. The present invention optimizes the often conflicting demands of highly secure wireless communications and high speed wireless communications. According to a preferred embodiment of the present invention, various security sensors are scanned to determine the likely presence of an intruder within a predetermined trust zone. If an intruder is likely present, the security level is changed to the highest setting, and consequently a lower data rate, while the intruder is identified. If the identified intruder is in fact a trusted node, the security level is returned to a lower setting. If the identified intruder is not a trusted node, the security level is maintained at an elevated state while the intruder is within the trust zone. | 02-12-2015 |
| 20150043507 | APPARATUS AND METHOD FOR PRIORITIZATION OF RETRANSMISSION OF PROTOCOL DATA UNITS TO ASSIST RADIO LINK CONTROL RETRANSMISSION - Managing the transmission and retransmission of radio link control (RLC) data protocol data units (PDUs) is disclosed. An indication is received that an RLC data PDU was not received by a receiving device. The RLC data PDU, that was not received, is retransmitted and prioritized over other RLC data PDUs. A number of times that the RLC data PDU was retransmitted may be tracked. | 02-12-2015 |
| 20150036661 | WIRELESS COMMUNICATION METHODS AND COMPONENTS THAT IMPLEMENT HANDOFF IN WIRELESS LOCAL AREA NETWORKS - This invention relates to wireless local area networks, and particularly to the IEEE 802.11 family of standards. It consists of a method and apparatus that can be implemented in access points (APs) and subscriber wireless transmit/receive units (WTRUs), in order to allow an AP to initiate re-association of a WTRU to itself or a different AP. The invention improves the robustness of the network by enabling more efficient load balancing, congestion control, and roaming, without compromising the user experience. | 02-05-2015 |
| 20150030097 | METHOD AND APPARATUS FOR SUBCARRIER AND ANTENNA SELECTION IN MIMO-OFDM SYSTEM - A method and apparatus for radio resources control in a multiple input multiple output (MIMO) orthogonal frequency division multiplexing (OFDM) communication system are disclosed. Radio resources are controlled by producing and applying a respective adaptive modulation and coding to each data stream. Applying a respective transmit power level to that data stream and mapping that data stream to a plurality of antennas. Each of the plurality of data streams are transmitted over different subcarriers, has a different adaptive modulation and coding (AM&C) and a different transmit power than others of the plurality of data streams. | 01-29-2015 |
| 20150029911 | MOBILE COMMUNICATION SYSTEM AND METHOD FOR PROVIDING COMMON CHANNEL COVERAGE USING BEAMFORMING ANTENNAS - A wireless transmit/receive unit (WTRU) includes circuitry configured to receive information from a base station indicating an assignment of periodic time slots to transmit sounding signals and circuitry configured to transmit sounding signals to the base station in the assigned periodic time slots in response to the received information, wherein a timing of transmission of the sounding signals in response to the received information differs between a time division duplex mode and a frequency division duplex mode, and wherein the transmitted sounding signals are distinguishable from sounding signals from other WTRUs. | 01-29-2015 |
| 20150024755 | METHOD AND APPARATUS FOR IMPLEMENTING A HANDOFF BETWEEN RADIO ACCESS NETWORKS DEPLOYED UNDER DIFFERENT RADIO ACCESS TECHNOLOGIES - A method and apparatus for implementing a handoff between radio access networks (RANs) deployed under different radio access technologies (RATs) are disclosed. A wireless transmit/receive unit (WTRU) is equipped with at least two radio units to support the RATs. Each RAN sends a list of co-located RANs in the coverage area of the RAN to the WTRU. The WTRU stores the list and determines whether handoff criteria is met by one of the co-located RANs. The WTRU then initiates a handoff from a current RAN to a target RAN if the handoff criteria is met by the target RAN. Alternatively, the WTRU may send a measurement report to the current RAN, whereby the current RAN determines whether handoff criteria is met by a selected one of the co-located RANs and initiate a handoff to the selected RAN if the handoff criteria is met. | 01-22-2015 |
| 20150009938 | SYSTEM FOR PERMITTING CONTROL OF THE PURGING OF A NODE B BY THE SERVING RADIO NETWORK CONTROLLER - A system and method which permit the RNC to control purging of data buffered in the Node B. The RNC monitors for a triggering event, which initiates the purging process. The RNC then informs the Node B of the need to purge data by transmitting a purge command, which prompts the Node B to delete at least a portion of buffered data. The purge command can include instructions for the Node B to purge all data for a particular UE, data in one or several user priority transmission queues or in one or more logical channels in the Node B, depending upon the particular data purge triggering event realized in the RNC. | 01-08-2015 |
| 20140376568 | METHOD AND APPARATUS FOR ENCODING CHANNEL QUALITY INDICATOR AND PRECODING CONTROL INFORMATION BITS - A method and apparatus for encoding channel quality indicator (CQI) and precoding control information (PCI) bits are disclosed. Each of the input bits, such as CQI bits and/or PCI bits, has a particular significance. The input bits are encoded with a linear block coding. The input bits are provided with an unequal error protection based on the significance of each input bit. The input bits may be duplicated based on the significance of each input bit and equal protection coding may be performed. A generator matrix for the encoding may be generated by elementary operation of conventional basis sequences to provide more protection to a most significant bit (MSB). | 12-25-2014 |
| 20140369338 | METHOD AND SYSTEM FOR IMPROVING RESPONSIVENESS IN EXCHANGING FRAMES IN A WIRELESS LOCAL AREA NETWORK - A method and system for improving responsiveness in exchanging management and control frames in a wireless local area network are disclosed. An initiator sends a frame (action frame, management frame, CSI frame, control frame, or data frame) to a responder. Upon correctly receiving the frame, the responder sends a response frame to the initiator instead of directly sending an acknowledgement (ACK) packet. The responder preferably accesses the wireless medium to send the response frame in a short inter-frame spacing (SIFS). With this scheme, a long delay associated with having to contend for the wireless medium to send the response frame is avoided and therefore, the responsiveness and timeliness of the feedback mechanism is significantly enhanced. The response frame may be piggybacked on or aggregated with another packet. | 12-18-2014 |
| 20140362833 | METHOD AND SYSTEM FOR SUPPORTING MULTIPLE HYBRID AUTOMATIC REPEAT REQUEST PROCESSES PER TRANSMISSION TIME INTERVAL - A method and apparatus may be used for supporting multiple hybrid automatic repeat request (H-ARQ) processes per transmission time interval (TTI). A transmitter and a receiver may include a plurality of H-ARQ processes. Each H-ARQ process may transmit and receive one TB per TTI. The transmitter may generate a plurality of TBs and assign each TB to a H-ARQ process. The transmitter may send control information for each TB, which may include H-ARQ information associated TBs with the TBs. The transmitter may send the TBs using the associated H-ARQ processes simultaneously per TTI. After receiving the TBs, the receiver may send feedback for each of the H-ARQ processes and associated TBs indicating successful or unsuccessful receipt of each of the TBs to the transmitter. The feedback for multiple TBs may be combined for the simultaneously transmitted H-ARQ processes, (i.e., TBs). | 12-11-2014 |
| 20140362760 | METHOD AND APPARATUS FOR PROVIDING MULTI-RATE BROADCAST SERVICES - A method and apparatus for providing multi-rate broadcast services in a wireless communication system are disclosed. The present invention takes advantage of the higher capacity of better channels by providing a certain data rate common to all users, while sending additional information to users with better channel conditions. A base station transmits a broadcast message including common information at a basic rate and additional information at a rate higher than the basic rate. The basic rate guarantees successful receipt by all WTRUs in a coverage area and the rate for the additional information is set such that only certain WTRUs with a channel condition above a threshold may decode the additional information successfully. The WTRU decodes the common information and subtracts the common information from received signals to decode the additional information. The additional information may be information supplementing the common information, such as video information. | 12-11-2014 |
| 20140348135 | CODE DIVISION MULTIPLE ACCESS (CDMA) COMMUNICATION SYSTEM - A subscriber unit for use in a communication system includes a spread spectrum radio interface, responsive to a rate function signal from a base station, and first and second despreaders. The base station assigns the rate function spread-spectrum message channels and the first despreader recovers and modifies an information signal one of the spread spectrum message channels. The information channel mode is then modified for processing by the second despreader, with the second despreader supporting a different information signal rate. The subscriber unit has a capability of communicating with a dynamically changing a transmission rate of an information signal which includes multiple spread spectrum message channels. The system includes a closed loop power control system for maintaining a minimum system transmit power level for a radio carrier station and the subscriber units, and system capacity management for maintaining a maximum number of active subscriber units for improved system performance. | 11-27-2014 |
| 20140341164 | TRANSMITTING SCHEDULING INFORMATION IN A WIRELESS COMMUNICATION NETWORK - Triggering, in response to non-transmission of scheduling information on an uplink data channel, transmission on a uplink control channel of information is disclosed. The information may include an indication that an uplink grant is needed to send the scheduling information. The scheduling information may include buffer status information. | 11-20-2014 |
| 20140341067 | WIRELESS COMMUNICATION METHOD AND SYSTEM FOR CONTROLLING DATA BIT RATES TO MAINTAIN THE QUALITY OF RADIO LINKS - A wireless communication method and system for controlling the current data bit rate of a radio link (RL) to maintain the quality of the RL. The system includes a core network (CN), a radio network controller (RNC) and at least one wireless transmit/receive unit (WTRU). The RL is established between the RNC and the WTRU. The RNC establishes a guaranteed data bit rate, a maximum data bit rate and a current data bit rate associated with the RL. When the RNC senses an event which indicates that the quality of the RL has substantially deteriorated, the RNC reduces the value of the current data bit rate. Then, in a recovery process, if a similar event does not occur during an established waiting period, the RNC restores the current data bit rate back to the maximum data bit rate. | 11-20-2014 |
| 20140334528 | PRE-PHASE ERROR CORRECTION - A CDMA communication system includes a signal processor which encodes voice and nonvoice signals into data at various rates, e.g. data rates of 8 kbps, 16 kbps, 32 kbps, or 64 kbps as I and Q signals. The signal processor selects a specific data rate depending upon the type of signal, or in response to a set data rate. When the signal is received and demodulated, the baseband signal is at the chip level. Both the I and Q components of the signal are despread using the conjugate of the pn sequence used during spreading, returning the signal to the symbol level. Carrier offset correction is performed at the symbol level. A lower overall processing speed is therefore required. | 11-13-2014 |
| 20140334410 | ADAPTIVE UPLINK/DOWNLINK TIMESLOT ASSIGNMENT IN A HYBRID WIRELESS TIME DIVISION MULTIPLE ACCESS/CODE DIVISION MULTIPLE ACCESS COMMUNICATION SYSTEM - A method and apparatus for adaptive uplink/downlink resource assignment may include determining uplink interference associated with each of several uplink resources. The method and apparatus may produce an uplink list with values for the uplink resources. The values may include one value indicating high interference and another value indicating low interference. The method and apparatus may compare a downlink power level to a threshold for each of the downlink resources and produce a downlink list indicating which of the downlink resources have a downlink power level which exceeds the threshold. Also, the method and apparatus may send the uplink list and downlink list. Further, the method and apparatus may receive an uplink list and a downlink list from each of several neighboring wireless network devices. The method and apparatus may assign uplink and downlink resources to a user equipment based on the uplink and downlink lists received. | 11-13-2014 |
| 20140328291 | MEDIUM ACCESS CONTROL LAYER ARCHITECTURE FOR SUPPORTING ENHANCED UPLINK - A method and apparatus for processing data is disclosed. A request for uplink resources is transmitted. An uplink scheduling grant is received in response to the request for uplink resources. Data from at least one medium access control for dedicated channel (MAC-d) flow is multiplexed into a medium access control for enhanced uplink (MAC-e) protocol data unit (PDU). A transport format combination (TFC) is selected for transmission of the MAC-e PDU, at least based on the uplink scheduling grant, a maximum allowed transmit power, and logical channel priority. A MAC-e PDU is transmitted over an enhanced uplink channel using a hybrid automatic repeat request (H-ARQ) process. | 11-06-2014 |
| 20140328237 | METHODS AND SYSTEMS FOR PROVIDNG RELIABLE MULTICAST SERVICE IN A WILAN SYSTEM - A method and apparatus may be used for acknowledged multicast operation in a wireless network having a base station and at least one wireless station (STA). The base station may be configured to transmit a first multicast signal during a first interval. The at least one STA may receive the first multicast signal during the first interval, and the at least one STA may transmit an acknowledgement (ACK) signal to the base station. On a condition that the STA does not receive the first multicast signal during the first interval, the STA may transmit a negative ACK (NACK) signal to the base station. | 11-06-2014 |
| 20140314169 | METHOD AND APPARATUS FOR PROCESSING FEEDBACK IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for processing feedback implemented in a wireless transmit/receive unit (WTRU) comprises estimating a channel matrix. The effective channel is calculated and a precoding matrix is selected. Feedback bits are generated and transmitted. | 10-23-2014 |
| 20140314028 | METHOD AND APPARATUS FOR ADJUSTING CHANNEL QUALITY INDICATOR FEEDBACK PERIOD TO INCREASE UPLINK CAPACITY - A method and apparatus for adjusting a channel quality indicator (CQI) feedback period to increase uplink capacity in a wireless communication system are disclosed. The uplink capacity is increased by reducing the uplink interference caused by CQI transmissions. A wireless transmit/receive unit (WTRU) monitors a status of downlink transmissions to the WTRU and sets the CQI feedback period based on the status of the downlink transmissions to the WTRU. A base station monitors uplink and downlink transmission needs. The base station determines the CQI feedback period of at least one WTRU based on the uplink and downlink transmission needs and sends a command to the WTRU to change the CQI feedback period of the WTRU. | 10-23-2014 |
| 20140307875 | METHOD AND SYSTEM FOR SECURING WIRELESS COMMUNICATIONS - A method for transmitting an encrypted signal to a wireless transmit/receive unit (WTRU) such that decryption of the encrypted signal depends on a trust zone associated with the WTRU is disclosed. The encryption may be performed using hierarchical modulation, scrambling, authentication, location validation, or a combination thereof. The size of a trust zone may also be adjusted. | 10-16-2014 |
| 20140307684 | WIRELESS COMMUNICATION METHOD AND APPARATUS FOR ALLOCATING TRAINING SIGNALS AND INFORMATION BITS - Techniques of channel correction and demodulation for wireless systems are enhanced so that higher effective data rates, lower error rates or both can be achieved with a minimal processing load. Pilots are adaptively moved and/or removed, and their positions are changed, to enhance the channel estimation, decoding, and demodulation processes at the receiver. Reception is also enhanced by adding, removing, or changing the positions, of information-carrying data bits. | 10-16-2014 |
| 20140302885 | APPARATUS AND METHODS FOR DETERMINATION OF GAIN FACTORS FOR WIRELESS COMMUNICATION TRANSMISSION POWER - Apparatus and methods for wireless communication transmission power control are provided. Determination of gain factors and adjustments for physical channel reconfiguration in the context of transmission power control are addressed. Preferably, implementation is in conjunction with communication systems in which wireless communications are conducted between wireless transmit receive units (WTRUs) using multiple channels that are concurrently transmitted. | 10-09-2014 |
| 20140294179 | METHOD AND APPARATUS FOR CIPHERING PACKET UNITS IN WIRELESS COMMUNICATIONS - A method and apparatus are disclosed relating to ciphering and de-ciphering of packet units in wireless devices during retransmission in wireless communications. The packet units are re-segmented with the ciphering done on the re-segmented packet unit or on a radio link control protocol data unit (RLC PDU) with or without segmentation. Alternatively, the re-segmentation is done on the radio link control service data unit (RLC SDU) with or without segmentation. Alternatively, the ciphering process and multiplexing of the RLC PDU is done in the medium access control (MAC) layer of a MAC PU before undergoing a hybrid automatic repeat request (HARQ) process for retransmission. Further, the ciphering process in the RLC is done on a packet data convergence protocol packet data unit (PDCP PDU). | 10-02-2014 |
| 20140293933 | WIRELESS COMMUNICATION METHOD AND APPARATUS FOR REPORTING TRAFFIC VOLUME MEASUREMENT INFORMATION TO SUPPORT UPLINK DATA TRANSMISSIONS - A method and apparatus for uplink transmission is disclosed. A wireless transmit/receive unit (WTRU) transmits a message to a Node-B, wherein the message is selected from at least a first type, a second type, and a third type. The first type of message indicates that the WTRU has uplink buffered data to transmit and the WTRU requires uplink resources for transmission of uplink data. The second type of message includes a plurality of indications, wherein each indication indicates an amount of uplink buffered data associated with at least one logical channel, wherein each logical channel is associated with a priority. The third type of message indicates an amount of uplink buffered data and has less information than the second type of message. | 10-02-2014 |
| 20140289592 | DETECTION, AVOIDANCE AND/OR CORRECTION OF PROBLEMATIC PUNCTURING PATTERNS IN PARITY BIT STREAMS USED WHEN IMPLEMENTING TURBO CODES - Detecting, avoiding and/or correcting problematic puncturing patterns in parity bit streams used when implementing punctured Turbo codes is achieved without having to avoid desirable code rates. This enables identification/avoidance of regions of relatively poor Turbo code performance. Forward error correction comprising Turbo coding and puncturing achieves a smooth functional relationship between any measure of performance and the effective coding rate resulting from combining the lower rate code generated by the Turbo encoder with puncturing of the parity bits. In one embodiment, methods to correct/avoid degradations due to Turbo coding are implemented by puncturing interactions when two or more stages of rate matching are employed. | 09-25-2014 |
| 20140287791 | METHOD AND SYSTEM FOR UTILIZING SMART ANTENNAS IN ESTABLISHING A BACKHAUL NETWORK - A method and system for utilizing smart antennas in transmission of messages between nodes are disclosed. A wireless communication system includes a plurality of nodes, and each node is capable of being connected to each other node. At least a portion of the nodes are provided with a smart antenna configured to generate a plurality of directional beams. Each node maintains a list of other nodes and beam configuration information to be used in transmission of messages to other nodes. When a source node is required to transmit to a target node, the source node retrieves the beam configuration information and transmits with a directional beam directed to the target node. | 09-25-2014 |
| 20140286231 | METHODS AND APPARATUS FOR REORDERING DATA IN AN EVOLVED HIGH SPEED PACKET ACCESS SYSTEM - Method and apparatus for receiving high speed downlink shared channel (HS-DSCH) transmissions are disclosed. An HS-DSCH medium access control (MAC-ehs) entity receives MAC-ehs protocol data units (PDUs) via a high speed downlink shared channel (HS-DSCH) while in one of Cell_FACH, Cell_PCH, and URA_PCH states. The reordering PDUs included in the MAC-ehs PDUs may be sent to a next processing entity without performing reordering of the PDUs. A certain reordering queue may enter a suspend state upon occurrence of a triggering event and MAC-ehs PDUs distributed to the reordering queue in the suspend state may be forwarded to the next processing entity without performing reordering. MAC-ehs reset procedure may be extended for a certain transmission such that the MAC-ehs reset is performed after receiving a MAC-ehs PDU in a target cell. | 09-25-2014 |
| 20140281781 | METHOD AND APPARATUS FOR DYNAMICALLY ADJUSTING DATA TRANSMISSION PARAMETERS AND CONTROLLING H-ARQ PROCESSES - A method and wireless transmit/receive unit (WTRU) for uplink data transmission is disclosed. Information indicating an allowed limit for uplink data transmission over an enhanced uplink channel is received. A hybrid automatic repeat request (H-ARQ) process to use for transmission of data over the enhanced uplink channel is identified. Data is selected for transmission over the enhanced uplink channel. A data transmission parameter is selected based on the received information indicating the allowed limit for uplink data transmission. The selected data is transmitted over the enhanced uplink channel using the identified H-ARQ process. An indication of the selected data transmission parameter is transmitted over an associated physical control channel. | 09-18-2014 |
| 20140254635 | EFFICIENT FRAME TRACKING IN MOBILE RECEIVERS - A method for determining the validity of a most significant path in a wireless communication system wherein data is transmitted in frame units in a multipath environment begins by accumulating a correlated data sequence N times, each time at a frame offset apart from the previous time. A preliminary noise estimate (PNE) is calculated as an average of the accumulated data values. A preliminary noise threshold (PNT) is calculated according to the equation C | 09-11-2014 |
| 20140254572 | METHOD AND APPARATUS FOR MANAGING WIRELESS COMMUNICATION NETWORK RADIO RESOURCES - A method and apparatus for managing radio resources in one or more wireless communication networks. At least one radio resource manager (RRM) is provided within a network node, or as an independent entity. The RRM monitors performance on wireless communication links of the network(s) and interacts with nodes associated with those links to change the configuration on a particular wireless communication link if its performance (i.e., quality) falls below an established threshold. Information regarding current resource usage of the network is sent to the RRM by the nodes. Each of the nodes may send a quality report to the RRM including wireless communication link quality measurements and performance statistics. Alternatively, the RRM may perform the wireless communication link quality measurements. The RRM facilitates the broadcasting of information regarding current resource usage of one network to other networks to avoid collisions and interference. | 09-11-2014 |
| 20140243003 | RRC MESSAGES AND PROCEDURES - A method and apparatus for radio resource control (RRC) messaging. A method in a wireless communication system includes receiving, at a wireless transmit/receive unit (WTRU) an RRC change command including a plurality of commands from a Node B and receiving, at the Node B, an RRC change response from the WTRU, wherein the RRC change command includes a command for performing a measurement gap configuration procedure and a command for performing a measurement gap activation procedure. | 08-28-2014 |
| 20140241221 | METHOD FOR CHANNEL ASSIGNMENTS IN WIRELESS SYSTEMS - A wireless transmit/receive unit (WTRU) includes circuitry configured to receive first information from a wireless network, the first information indicating a first pattern of time intervals in which the WTRU is to monitor a plurality of control channels; not monitor the plurality of control channels in time intervals outside the first pattern of time intervals; and receive second information from the wireless network, the second information indicating a second pattern of time intervals in which the WTRU is to transmit control information on a control channel. | 08-28-2014 |
| 20140219221 | POWER CONTROL FOR COMMUNICATIONS SYSTEMS UTILIZING HIGH SPEED SHARED CHANNELS - A method and apparatus are described for controlling transmitter power in a wireless communication system in which both dedicated and shared channels are utilized. A wireless transmit/receive unit (WTRU) may receive a first channel (e.g., downlink shared channel), power commands for a second channel (e.g., dedicated channel) and power commands for a third channel (e.g., uplink shared channel). The WTRU may transmit in a transmission time interval at least one of the second channel and the third channel. Acknowledgments and negative acknowledgements to signals received over the first channel may be sent on the third channel. The WTRU may determine a transmission power level of the second channel in response to the second channel power commands and not the third channel power commands. The WTRU may determine a transmission power level of the third channel in response to the third channel power commands and not the second channel power commands. | 08-07-2014 |
| 20140219085 | MULTIPLEXING CHANNELS BY A MEDIUM ACCESS CONTROLLER - A code division multiple access (CDMA) communication device comprises a medium access controller (MAC) configured to receive data from a plurality of channels. Each channel is associated with a priority and an identifier. The MAC is further configured to multiplex the data of the plurality of channels for transmission over a CDMA channel based on the priority. | 08-07-2014 |
| 20140206355 | METHOD FOR INTER-RADIO ACCESS TECHNOLOGY CELL RESELECTION - A method for performing cell reselection first determines a current cell selection quality value. The cell selection quality value is compared to a predetermined threshold. Measurements of neighboring cells are taken if the cell selection quality value is less than or equal to the predetermined threshold. Measurements can be taken of intra-frequency cells, inter-frequency cells, and inter-radio access technology cells. If a neighboring cell is found that is better than the current cell based on the measurements, then the better neighbor cell is reselected to. | 07-24-2014 |
| 20140205037 | QUALITY CONTROL SCHEME FOR MULTIPLE-INPUT MULTIPLE-OUTPUT (MIMO) ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING (OFDM) SYSTEMS - A method and apparatus for optimizing the system capacity of an Orthogonal Frequency Division Multiplexing (OFDM) system that uses with Multiple-Input Multiple-Output (MIMO) antennas. In a receiver, a target quality of service (QoS) metric and reference data rate are set. The target QoS metric may be set to a predetermined value and/or may be adjusted dynamically with respect to packet error rate (PER) by a slow outer-loop control processor. The QoS of received signals are compared to the target QoS. Depending on the comparison, the receiver generates a channel quality indicator (CQI) which is sent to the transmitter. The CQI is a one or two bit indicator which indicates to the transmitter to disable, adjust or maintain data transmission rates of particular sub-carriers, groups of sub-carriers per transmit antenna, or groups of sub-carriers across all transmit antennas. At the transmitter, the transmitted data rate is disabled, adjusted or maintained. | 07-24-2014 |
| 20140204933 | NEIGHBOR SCANNING IN WIRELESS LOCAL AREA NETWORKS - An access point includes a transmitter configured to transmit signals, a receiver configured to receive signals, and a timing information device. The timing information device is configured to receive a timing information request from a station associated to the access point, receive timing information for a beacon signal sent by a second access point, and report the timing information to the station. The timing information includes a time difference relative to a known reference time for transmission of the beacon signal and the time difference is an offset in timing units. | 07-24-2014 |
| 20140204932 | SUPPORTING EMERGENCY CALLS ON A WIRELESS LOCAL AREA NETWORK - Several methods are provided for communicating emergency call capability information between a station and an access point (AP) in a wireless local area network. The methods include advertising by the AP of its emergency call capabilities and announcing by the station of its emergency call capabilities. The AP can advertise its emergency call capabilities in a beacon frame, a probe response frame, a reassociation response frame, or a reauthentication response frame. The station can announce its emergency call capabilities in an association request frame, a reassociation request frame, an authentication request frame, or a reauthentication request frame. | 07-24-2014 |
| 20140204914 | SYSTEM AND METHOD FOR FAST DYNAMIC LINK ADAPTATION - A method and user equipment for selecting a transport format combination (TFC) is disclosed. Configuration of a plurality of TFCs to use for TFC selection is received, wherein the TFCs of the plurality of TFCs have an order. TFCs to block from TFC selection from the plurality of TFCs is determined, wherein the TFCs to block are based at least on a maximum allowed transmit power. A TFC for transmission of uplink data is selected, wherein the selected TFC is based on the TFC order and wherein the selected TFC is a TFC that is not blocked from TFC selection. | 07-24-2014 |
| 20140204882 | METHOD AND APPARATUS FOR ASSIGNING RADIO RESOURCES AND CONTROLLING TRANSMISSION PARAMETERS ON A RANDOM ACCESS CHANNEL - A method and apparatus for assigning radio resources and controlling parameters for transmission over a random access channel in wireless communications by enhancing a random access channel is disclosed. | 07-24-2014 |
| 20140204829 | CELL RESELECTION AND HANDOVER WITH MULTIMEDIA BROADCAST/MULTICAST SERVICE - A method and apparatus for providing wireless communication services, (e.g., multimedia broadcast multicast services (MBMS)), are disclosed. A wireless transmit/receive unit (WTRU) detects a plurality of target cell evolved Node-Bs (eNodeBs) that neighbor a serving cell eNodeB. The WTRU evaluates cell reselection criteria and determines a neighboring target cell eNodeB to reselect. The WTRU receives and reads master information block (MIB) and system information messages of the neighboring target cell eNodeB, and confirms that the determined neighboring target cell eNodeB is not part of a multimedia broadcast single frequency network (MBSFN). The WTRU identifies the neighboring target cell eNodeB to the serving cell eNodeB. The WTRU then receives and reads MIB messages of the neighboring target cell eNodeB again to determine whether the system information has changed and, if so, the WTRU reads the system information and reselects to the neighboring target cell eNodeB, which provides the wireless communication services. | 07-24-2014 |
| 20140204827 | METHOD AND SYSTEM FOR CONTROLLING ACCESS TO A WIRELESS COMMUNICATION MEDIUM - A method and apparatus may be used to broadcast a first beacon and a second beacon in a beacon interval. The first beacon may include an indicator that indicates whether a second beacon will be transmitted within the beacon interval. The first beacon may be a legacy beacon and the second beacon may be a non-legacy beacon. A legacy beacon may be decodable by any station (STA) and a non-legacy beacon may be decodable only by non-legacy STAs. | 07-24-2014 |
| 20140198806 | METHOD AND APPARATUS FOR GENERATING AND PROCESSING MAC-ehs PROTOCOL DATA UNITS - A network device and wireless transmit/receive unit (WTRU) using an enhanced high speed medium access control (MAC-ehs) are disclosed. A network device may provide a MAC-ehs reordering protocol data unit (PDU) with a segment of a service data unit (SDU). A MAC-ehs PDU is generated including the MAC-ehs reordering PDU. The MAC-ehs PDU is sent via a high speed downlink shared channel (HS-DSCH). The WTRU disassembles MAC-ehs PDUs to provide reordering PDUs that each may include a segment of a MAC-ehs SDU. The WTRU may reassemble a MAC-ehs SDU with the segment of the MAC-ehs SDU from at least one of the reordering PDUs. | 07-17-2014 |
| 20140194136 | UPLINK POWER CONTROL USING RECEIVED REFERENCE SIGNAL - A user equipment (UE) includes circuitry configured to receive control information on a downlink control channel from a base station. The control information indicates an allocation of an uplink channel and the control information is sent in response to the base station determining that the UE is to send an adaptive modulation and coding report. The circuitry is further configured in response to the control information to transmit a communication in the allocated uplink channel in a time interval including at least one time slot. The communication includes an adaptive modulation and coding report, and a transmission power level of the communication is derived from the control information and a pathloss measured by the UE. | 07-10-2014 |
| 20140192779 | SYSTEM FOR EFFICIENT RECOVERY OF NODE-B BUFFERED DATA FOLLOWING MAC LAYER RESET - A method and system for the UE and RNC to reduce transmission latency and potentially prevent loss of PDUs upon a MAC-hs layer reset. The RNC generates a radio resource control (RRC) message with a MAC-hs reset indication. The MAC reset indication requires the UE to flush buffers for configured HARQ processes, disassemble MAC protocol data units (PDUs) in the reordering buffers, deliver MAC-d PDUs to a MAC-d layer, and configure the MAC-hs to receive new data. | 07-10-2014 |
| 20140192778 | NODE B AND RNC ACTIONS DURING A SERVING HSDPA CELL CHANGE - An apparatus and method in accordance with the present invention reduce the amount of data that is stalled in a source Node B after a serving HS-DSCH cell change in a communication system that includes a serving RNC and at least one Node B. In a first embodiment, the RNC temporarily suspends data transmissions from the RNC to the Node B. In a second embodiment, the activation time is used in data scheduling. In a third embodiment, a more robust MCS level is selected. In a fourth embodiment flow control is employed for the data transmitted between the RNC and the Node B. | 07-10-2014 |
| 20140189464 | FEEDBACK SIGNALING ERROR DETECTION AND CHECKING IN MIMO WIRELESS COMMUNICATION SYSTEMS - A method of feedback in a wireless transmit receive unit includes providing a precoding matrix index (PMI), error checking the (PMI) to produce an error check (EC) bit, coding the PMI and the EC bit and transmitting the coded PMI and EC bit. | 07-03-2014 |
| 20140185583 | WIRELESS COMMUNICATION METHOD AND APPARATUS FOR SUPPORTING RECONFIGURATION OF RADIO LINK CONTROL PARAMETERS - A variety of wireless communication methods and apparatus for supporting reconfiguration of radio link control (RLC) parameters are disclosed. A radio resource control (RRC) reconfiguration message is generated that indicates that an RLC unit in a wireless transmit/receive unit (WTRU) or a universal terrestrial radio access network (UTRAN) should be reconfigured from supporting flexible size RLC protocol data units (PDUs) to supporting fixed size RLC PDUs. If an information element (IE) “one sided RLC re-establishment” is present in the RRC reconfiguration message, only a receiving side subassembly in the RLC unit is re-established. Otherwise, both the receiving side subassembly and a transmitting side subassembly in the RLC unit are re-established. Flexible size RLC PDUs may be discarded and a message indicating the discarded flexible size RLC PDUs may be transmitted. The flexible size RLC PDUs may be modified such that they correspond to a set of pre-defined sizes. | 07-03-2014 |
| 20140185566 | METHOD AND APPARATUS FOR MAPPING OF ABSOLUTE POWER GRANT VALUES IN WIRELESS COMMUNICATIONS - A method and apparatus for adjusting power grants in wireless communications. Multiple power grant tables are stored and one or more tables are designated during communication. | 07-03-2014 |
| 20140185448 | METHOD AND APPARATUS FOR SUPPORTING UPLINK STARVATION AVOIDANCE IN A LONG TERM EVOLUTION SYSTEM - A method and apparatus for uplink (UL) starvation avoidance includes determining a current buffer status information. The current buffer status information is reported to an evolved Node B (eNB). A grant that includes a determination of a number of tokens a wireless transmit/receive unit (WTRU) may accumulate is received from the eNB. | 07-03-2014 |
| 20140181899 | METHOD AND APPARATUS TO IMPLEMENT SECURITY IN A LONG TERM EVOLUTION WIRELESS DEVICE - A wireless transmit receive unit (WTRU) is configured to receive unciphered and ciphered messages. The unciphered messages include identity requests, authentication requests, non-access stratum (NAS) security mode commands and tracking area update responses. The ciphered messages may come from the NAS and a Radio Resource Controller (RRC). The messages are ciphered using security keys. | 06-26-2014 |
| 20140181422 | PROTOCOL ENGINE FOR PROCESSING DATA IN A WIRELESS TRANSMIT/RECEIVE UNIT - A protocol engine (PE) for processing data within a protocol stack in a wireless transmit/receive unit (WTRU) is disclosed. The protocol stack executes decision and control operations. The data processing and re-formatting which was performed in a conventional protocol stack is removed from the protocol stack and performed by the PE. The protocol stack issues a control word for processing data and the PE processes the data based on the control word. Preferably, the WTRU includes a shared memory and a second memory. The shared memory is used as a data block place holder to transfer the data amongst processing entities. For transmit processing, the PE retrieves source data from the second memory and processes the data while moving the data to the shared memory based on the control word. For receive processing, the PE retrieves received data from the shared memory and processes it while moving the data to the second memory. | 06-26-2014 |
| 20140177595 | METHOD AND APPARATUS FOR HANDLING CELL RESELECTIONS AND TRANSITIONS TO AND FROM AN ENHANCED CELL_FACH STATE - A method and apparatus for handling cell reselections and transitions includes executing a cell reselection. A medium access control (MAC)-ehs reset is performed. | 06-26-2014 |
| 20140177593 | METHOD AND APPARATUS FOR CONTROLLING A HANDOVER BETWEEN UTRA R6 CELLS AND R7 CELLS - A method and apparatus for controlling an optimization of handover procedures between universal terrestrial radio access (UTRA) release 6 (R6) cells and UTRA release 7 (R7) cells are disclosed. When a wireless transmit/receive unit (WTRU) is moving between an R6 cell and an R7 cell, or between R7 cells, a handover is initiated from a source Node-B to a target Node-B. In the R7 cell, the enhanced medium access control (MAC) functionality including flexible radio link control (RLC) protocol data unit (PDU) size and high speed MAC (MAC-hs) segmentation and multiplexing of different priority queues are supported. After the handover, a MAC layer and/or an RLC layer are reconfigured or reset based on functionality supported by the target Node-B. | 06-26-2014 |
| 20140177565 | FAST UPLINK RESPONSE TO DOWNLINK SHARED CHANNEL TRANSMISSION WITHOUT A DEDICATED UPLINK CHANNEL - A method and apparatus for uplink transmission over a non-contentious shared feedback channel are disclosed, wherein the parameters of the uplink transmission are determined by the parameters of a downlink transmission. A new uplink channel, called a physical shared uplink feedback channel (PSUFCH) is used for uplink transmission such as feedback information in response to a downlink transmission on a fast shared data channel. The content of the feedback information may be general, e.g. an ACK/NACK or a channel quality indicator (CQI). The PSUFCH is transmitted using power ramping that terminates upon reception of a downlink ACK (DLACK) from a Node-B. No ambiguity resolution is required due to the non-contentious and deterministic mapping of the uplink channel resources. | 06-26-2014 |
| 20140169306 | METHOD FOR SENDING AN ACKNOWLEDGEMENT TO AN INGRESS MESH POINT IN A MESH NETWORK AND A MEDIUM ACCESS CONTROL FRAME FORMAT - The present invention relates to a method for confirming the delivery of a data packet in a mesh network by sending an acknowledgement (ACK) to an ingress mesh point (IMP). A mesh network comprises a plurality of mesh points that are wirelessly linked together. A data packet sent by a station (STA) is received by an IMP. A MAC frame is generated for transmission of the data packet and the frame is forwarded to an egress mesh point (EMP) in order to provide a service by the mesh network. The MAC frame includes a field comprising an IMP address and an EMP address. When the EMP, (or optionally an intermediate mesh point), receives a data packet successfully, the EMP or the intermediate mesh point sends an ACK to the IMP or preceding mesh point. | 06-19-2014 |
| 20140169304 | METHOD AND APPARATUS FOR SENDING AND RECEIVING CHANNEL QUALITY INDICATORS (CQIs) - A method and apparatus for sending and receiving channel quality indicators (CQIs) is disclosed. A CQI may be periodically sent or received. A CQI may also be sent or received upon request by a network. | 06-19-2014 |
| 20140153529 | METHOD AND APPARATUS FOR DYNAMICALLY ALLOCATING HARQ PROCESSES IN THE UPLINK - Methods and apparatus for dynamically allocating HARQ processes are described. A wireless transmit/receive unit (WTRU) includes a receive unit configured to receive signaling and a transmit unit. The transmit unit is configured to transmit uplink data sequentially using a first integer number of hybrid automatic repeat request (HARQ) processes during normal HARQ operation and transmit uplink data using a second integer number of HARQ processes that is less than the first number of HARQ processes in response to receiving the signaling. | 06-05-2014 |
| 20140153467 | PAGING OVER A HIGH-SPEED DOWNLINK SHARED CHANNEL - An apparatus and methods are provided for paging in a HSDPA connected mode CELL_PCH or URA_PCH state. Preferably, a WTRU is configured to select various PICH information that is broadcast by a base station. The WTRU is preferably configured to receive paging messages, based on the selected PICH information. In one embodiment, a preferred WTRU is configured to receive paging messages, based on a PICH, a HS-SCCH, and a HS-PDSCH. In another embodiment, a preferred WTRU is configured to receive paging messages, based on a PICH and a HS-PDSCH. In both embodiments, a time delay parameter is preferably used so that the WTRU may listen for either the HS-SCCH or HS-PDSCH for a period of time and return to a sleep mode if no paging message is received. | 06-05-2014 |
| 20140153395 | USER EQUIPMENT IN A CONGESTION CONTROLLED CDMA SYSTEM - A system for controlling congestion in a code division multiple access system with multi-user detection capabilities is disclosed. The system includes at least one user equipment, a base station, and a radio network controller. Each user equipment includes a receiver having multi-user detection capabilities. The base station includes a receiver having multi-user detection capabilities, an intra-cell interference measuring device, and an inter-cell interference measuring device. The radio network controller includes a radio resource management device configured to control congestion based on measurements taken by the base station. | 06-05-2014 |
| 20140148180 | SIGNALING CONNECTION ADMISSION CONTROL IN A WIRELESS NETWORK - A method for admission control of control plane signaling requests includes receiving a signaling request. Upon receipt of the signaling connection request, a first determination is performed to determine whether to provide admission to common resources. When the first determination is negative, a second determination is performed to determine whether to provide admission to dedicated resources. When the second determination is negative, the signaling request is rejected. When the second determination is positive, the request is admitted to dedicated resources. When the first determination is positive, a third determination is performed to determine whether the quality of the signaling request is high or low. If the quality of the request is high, the signaling request is admitted to common resources. When the quality is low, a fourth determination is performed to determine whether to provide admission to dedicated resources. If the fourth determination is positive, the request is admitted to dedicated resources. If the fourth determination is negative, the request is admitted to common resources. | 05-29-2014 |
| 20140146912 | METHOD AND APPARATUS FOR REDUCING INTERFERENCE IN SPACE FREQUENCY BLOCK CODING COMMUNICATION - A method and apparatus of reducing interference in space frequency block coding (SFBC) communication are disclosed. SFBC encoding is performed on at least one pair of symbols. The symbols are assigned to subcarriers in accordance with a frequency assignment pattern assigned to a cell. Different frequency assignment patterns are assigned to neighboring cells. Cells in the network may be divided into a plurality of groups and a different frequency assignment pattern may be assigned to each group of cells. The frequency assignment pattern may be defined such that subcarriers mapped to a pair of symbols in one cell are interlaced to subcarriers mapped to a pair of symbols in a neighbor cell. Alternatively, the frequency assignment pattern may be defined such that subcarriers mapped to a pair of symbols in one cell are shifted in a neighbor cell. | 05-29-2014 |
| 20140133654 | METHOD AND SYSTEM FOR ENHANCING CRYPTOGRAPHIC CAPABILITIES OF A WIRELESS DEVICE USING BROADCASTED RANDOM NOISE - A secret stream of bits begins by receiving a public random stream contained in a wireless communication signal at a transmit/receive unit. The public random stream is sampled and specific bits are extracted according to a shared common secret. These extracted bits are used to create a longer secret stream. The shared common secret may be generated using JRNSO techniques, or provided to the transmit/receive units prior to the communication session. Alternatively, one of the transmit/receive unit is assumed to be more powerful than any potential eavesdropper. In this situation, the powerful transmit/receive unit may broadcast and store a public random stream. The weaker transmit/receive unit selects select random bits of the broadcast for creating a key. The weaker transmit/receive unit sends the powerful transmit/receive unit the selected bit numbers, and powerful transmit/receive unit uses the random numbers to produce the key created by the weaker transmit/receive unit. | 05-15-2014 |
| 20140133438 | METHOD AND APPARATUS FOR INTEGRATING A SOFT MOBILE VOIP CLIENT IN A CELLULAR PC CARD - An apparatus is configured to communicate with a computer through a communications interface. The apparatus includes a soft mobile phone client and a cellular modem. The soft mobile client provides a Voice over Internet Protocol (VoIP) communication session, and includes a first set of a plurality of communications modules which does not include a non-access stratum (NAS) module. The cellular modem provides cellular Internet Protocol (IP) connectivity to the computer, and includes a second set of a plurality of modules having a NAS module. The soft mobile phone client establishes IP connectivity through the cellular modem and provides IP connectivity to the computer on a condition that a pre-existing IP connection via the computer is not available. The soft mobile phone client includes a software module encoded to implement a graphical user interface (GUI) function, which enables a VoIP communication session to be initiated by the user. | 05-15-2014 |
| 20140133380 | METHOD AND APPARATUS FOR EFFICIENT ADDRESSING AND POWER SAVINGS IN WIRELESS COMMUNICATIONS - A method and apparatus may be used for assigning groups of stations in wireless communications to one or more groups. Groups may be assigned by an access point (AP) based on information received from a station (STA). Group information may be signaled to each station and a group identifier may be indicated in a frame. The group information may be applied to a performance enhancement, for example power savings for the station, wherein the station enters a power saving mode on a condition that the station determines that it is not a member of the group. | 05-15-2014 |
| 20140128121 | OUTER LOOP POWER CONTROL FOR WIRELESS COMMUNICATIONS - A base station configured for outer loop power control receives an uplink dedicated channel transmission from a wireless transmit/receive unit. The base station transmits transmit power control commands in response to the received uplink channel transmission and determines if the wireless transmit/receive unit is in a discontinuous transmission mode. The base station adjusts a target SIR based on which transmission mode for the wireless transmit/receive unit is detected. The value for the transmit power control command is derived from the adjusted target SIR. | 05-08-2014 |
| 20140119285 | METHOD AND APPARATUS FOR DELIVERY OF DATA-BASED/VOICE SERVICES OVER PICONETS AND WIRELESS LANs (WLANs) COUPLED TO 3GPP DEVICES INCLUDING PROTOCOL ARCHITECTURE AND INFORMATION ELEMENTS RELATING TO SHORT MESSAGE SERVICE (SMS) OVER WLANs - Method and apparatus delivering voice/data services within a piconet operating over a limited range or over a WLAN communicating with 3GPP devices by reformatting data into IP format before delivering to the WLAN. The service is short message service (SMS). Upon receipt of an SMS message, relevant routing information is retrieved. A PDGW address for the SMS message is identified and is sent to the PDGW address which identifies the WLAN user equipment (UE) for receiving the SMS and reformats the SMS message into IP format (text or encapsulation) for delivery to the UE. A protocol architecture is provided for SMS delivery over WLANs, in particular, for UMTS/CDMA based SMS over WLAN through two alternative mechanisms, i.e., SMS tunneling and SMS proxy, for protocols for the delivery of SMS across the WLAN. The invention enhances standard 802.11 in the context of UMTS and CDMA 2000; as well as other scenarios. | 05-01-2014 |
| 20140112293 | BI-DIRECTIONAL AND REVERSE DIRECTIONAL RESOURCE RESERVATION SETUP PROTOCOL - A wireless user equipment (UE) configured to initiate a packet based session includes a reservation setup protocol (RSVP) message generator configured to transmit a RSVP PATH message. The RSVP PATH message includes a direction indication. The direction indicator indicates that reservations should be made for the UE to transmit only, to receive only or to both transmit and receive. The UE also includes an RSVP message receiver configured to receive an RSVP RESV message indicating that reservations have been made as a result of the RSVP PATH message. | 04-24-2014 |
| 20140112230 | METHOD AND APPARATUS FOR TRANSMISSION MANAGEMENT IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus may be used in wireless communications. The apparatus may be an access point (AP), and may transmit a power save frame. The power save frame may include one or more Uplink (UL) Transmission Times (ULT)s. The apparatus may determine that a station (STA) did not transmit during its respective ULT. The AP may transmit another power save frame. The other power save frame may include a modified ULT. The modified ULT may be for a STA that did not transmit during its respective ULT. The other power save frame may include an unmodified ULT. The unmodified ULT may be for a STA that did not transmit. | 04-24-2014 |
| 20140105607 | METHOD AND APPARATUS FOR DIMMING WITH RATE CONTROL FOR VISIBLE LIGHT COMMUNICATIONS (VLC) - A visible light communication (VLC) device for lighting and data transmission includes a dimming block and a light emitting device. The dimming block is configured to receive a desired brightness level, determine a data duty cycle for the data transmission based on the desired brightness level, determine a filler luminance value based on the desired brightness level, and generate dimming information for use by a second VLC device for decoding the data. The light emitting device is configured to convert the data, the filler luminance value, and the dimming information to visible light for transmission to the second VLC device. | 04-17-2014 |
| 20140098769 | METHOD AND APPARATUS FOR INDICTATING A TEMPORARY BLOCK FLOW TO WHICH A PIGGYBACKED ACKNOWLEDGEMENT/NON-ACKNOWLEDGEMENT FIELD IS ADDRESSED - Methods and base stations are described. A base station includes a receiver, a processor and a transmitter. The receiver receives a first data block associated with an uplink temporary block flow (TBF), and the first data block includes a first header that includes a temporary flow identity (TFI) that identifies the uplink TBF. The processor generate a piggybacked acknowledgement/non-acknowledgement (PAN) field corresponding to the uplink TBF and a PAN check sequence (PCS) based on the PAN field, masks a subset of PCS bits with the TFI to generate a masked PCS, and generates a second data block, associated with a downlink TBF, that includes a second header, a data part corresponding to the downlink TBF, the PAN field, and the masked PCS. The transmitter transmits the second data block. | 04-10-2014 |
| 20140098730 | SYNCHRONIZATION FOR EXTENDING BATTERY LIFE - The present invention discloses a method and system for efficiently supporting data calls to WTRUs in systems that also support telephony. Various types of data is transmitted on a known schedule which is tightly synchronized to a predetermined time frame. The WTRUs synchronize their wake-up periods to search for data at times when data may or will actually be transmitted to them. | 04-10-2014 |
| 20140094166 | METHODS AND APPARATUSES FOR PROVIDING SERVICES TO A DUAL MODE GPRS/WLAN OR UMTS/WLAN WTRU - Methods and network nodes are described. A network node receives an attach request message from a wireless transmit/receive unit (WTRU) via a cellular radio access network (RAN). The attach request message includes a mobile station (MS) radio access capability information element (IE), and the MS radio access capability IE includes a field that indicates whether the WTRU is capable of receiving services from a core network via a non-cellular wireless access network. The network node provides services from the core network to the WTRU. | 04-03-2014 |
| 20140086182 | COMBINED OPEN LOOP/CLOSED LOOP (CQI-BASED) UPLINK TRANSMIT POWER CONTROL WITH INTERFERENCE MITIGATION FOR E-UTRA - A combined open loop and closed loop (channel quality indicator (CQI)-based) transmit power control (TPC) scheme with interference mitigation for a long term evolution (LTE) wireless transmit/receive unit (WTRU) is disclosed. The transmit power of the WTRU is derived based on a target signal-to-interference noise ratio (SINR) and a pathloss value. The pathloss value pertains to the downlink signal from a serving evolved Node-B (eNodeB) and includes shadowing. An interference and noise value of the serving eNodeB is included in the transmit power derivation, along with an offset constant value to adjust for downlink (DL) reference signal power and actual transmit power. A weighting factor is also used based on the availability of CQI feedback. | 03-27-2014 |
| 20140082462 | METHOD AND APPARATUS FOR ENCODING AND DECODING HIGH SPEED SHARED CONTROL CHANNEL - A method and apparatus for encoding and decoding high speed shared control channel (HS-SCCH) data are disclosed. For part 1 data encoding, a mask may be generated using a wireless transmit/receive unit (WTRU) identity (ID) and a generator matrix with a maximum minimum Hamming distance. For part 2 data encoding, cyclic redundancy check (CRC) bits are generated based on part 1 data and part 2 data. The number of CRC bits is less than the WTRU ID. The CRC bits and/or the part 2 data are masked with a mask. The mask may be a WTRU ID or a punctured WTRU ID of length equal to the CRC bits. The mask may be generated using the WTRU ID and a generator matrix with a maximum minimum Hamming distance. The masking may be performed after encoding or rate matching. | 03-20-2014 |
| 20140080496 | WIRELESS COMMUNICATION METHOD AND RADIO NETWORK CONTROLLER FOR COORDINATING PAGING OCCASIONS ON A COMMON PAGING CHANNEL - A method of paging a plurality of users by synchronizing user equipment (UE) specific paging and Point-to-Multipoint (PtM) user group paging to reduce power consumption when the UE is in a discontinuous reception state. The UE identities are defined such that paging occasions and common paging channels are synchronized for multiple users within a PtM user group. | 03-20-2014 |
| 20140080451 | WIRELESS COMMUNICATION METHOD AND APPARATUS FOR PERFORMING HOME NODE-B IDENTIFICATION AND ACCESS RESTRICTION - A method and a wireless transmit/receive unit (WTRU), including a universal subscriber identity module (USIM), for identifying a closed subscriber group (CSG) cell are disclosed. The WTRU receives a broadcast from a cell including a cell identifier (ID). If the cell ID is associated with a CSG cell, the WTRU determines whether the CSG ID is programmed in the USIM. The cell broadcast may include a single bit information element (IE) indicating that the cell is a CSG cell. If the cell ID is a CSG ID, the cell ID may further include a plurality of fields which indicate at least one of a country, a region, an operator, and a home evolved Node-B (HeNB) number. The cell broadcast may further include a bit indicating whether the CSG cell is public or private. The cell broadcast may further include a bit indicating that emergency calls are allowed from all users. | 03-20-2014 |
| 20140079039 | METHOD AND APPARATUS FOR ASSIGNING HYBRID-AUTOMATIC REPEAT REQUEST PROCESSES - A method and apparatus for transmitting enhanced uplink (EU) data is disclosed. Configuration parameters for EU operation are received, including a priority associated with each MAC-d flow and a maximum number of H-ARQ transmissions associated with each MAC-d flow. A H-ARQ process to use for transmission for a next TTI is identified. On a condition that the identified H-ARQ process is available for new data for the next TTI, data is selected for transmission over the EU channel based on MAC-d flow priority, a transmission status is set to indicate a new transmission, and the selected data is transmitted in accordance with the identified H-ARQ process. On a condition that the identified H-ARQ process is not available for new data for the next TTI, the transmission status is set to indicate a retransmission, and data associated with the identified H-ARQ process is retransmitted. | 03-20-2014 |
| 20140079035 | METHOD AND APPARATUS FOR CONTROL OF ENHANCED DEDICATED CHANNEL TRANSMISSIONS - A method and apparatus for controlling enhanced dedicated channel (E-DCH) transmissions are disclosed. A plurality of primary absolute grants are received, wherein the plurality of primary absolute grants are associated with a TTI. At least one relative grant is received for E-DCH transmission, wherein the at least one relative grant is associated with the TTI. At least one serving grant for E-DCH transmission is determined. A H-ARQ process is identified for use for the TTI. It is determined whether the identified H-ARQ process is available for scheduled data and whether scheduled data is allowed to be transmitted in the TTI based at least on the identified H-ARQ process. On a condition that the identified H-ARQ process is available for scheduled data and scheduled data is allowed to be transmitted in the TTI, scheduled data is allocated for transmission in the TTI. | 03-20-2014 |
| 20140079028 | METHOD FOR USING A BASE STATION TO SELECTIVELY UTILIZE CHANNELS TO SUPPORT A PLURALITY OF COMMUNICATIONS - A method for using a wireless digital base station to receive, process and transmit a plurality of communications having independent data rates establishing a first communication channel having a first data communication rate to support a first communication; determining the data rate required to support the first communication; selecting one or more transmission channels, from a plurality of available transmission channels, required to support said required data rate; and transmitting the first communication using one or more selected transmission channels. The plurality of available transmission channels includes at least one B or D channel. | 03-20-2014 |
| 20140079027 | FAST ADAPTIVE POWER CONTROL FOR A VARIABLE MULTIRATE COMMUNICATIONS SYSTEM - A system and a method of controlling transmitter power in a wireless communication system in which user data is processed as a multirate signal in which the user data signal having a first rate is converted into a transmission data signal having a faster second rate for transmission. The transmission power is adjusted on a relatively slow basis based on quality of data received by a receiver of the transmitted data. The transmitter power is determined as a function of the first and second rates such that a change in the data rate in the multiple channels or the rate of the transmission data signal is compensated in advance of a quality of data based adjustment associated with such data rate change. | 03-20-2014 |
| 20140071965 | METHOD AND SYSTEM FOR SUPPORTING MULTIPLE HYBRID AUTOMATIC REPEAT REQUEST PROCESSES PER TRANSMISSION TIME INTERVAL - A method and apparatus may be used for supporting multiple hybrid automatic repeat request (H-ARQ) processes per transmission time interval (TTI). A transmitter and a receiver may include a plurality of H-ARQ processes. Each H-ARQ process may transmit and receive one TB per TTI. The transmitter may generate a plurality of TBs and assign each TB to a H-ARQ process. The transmitter may send control information for each TB, which may include H-ARQ information associated TBs with the TBs. The transmitter may send the TBs using the associated H-ARQ processes simultaneously per TTI. After receiving the TBs, the receiver may send feedback for each of the H-ARQ processes and associated TBs indicating successful or unsuccessful receipt of each of the TBs to the transmitter. The feedback for multiple TBs may be combined for the simultaneously transmitted H-ARQ processes, (i.e., TBs). When MIMO is implemented, one H-ARQ process may be associated with one MIMO stream, or codeword. The feedback may include a channel quality indicator (CQI) per MIMO stream or codeword. The control information and the feedback may be sent via a layer 1 or layer 2/3 control part. | 03-13-2014 |
| 20140056255 | METHOD AND APPARATUS FOR INDICATING A TEMPORARY BLOCK FLOW TO WHICH A PIGGYBACKED ACK/NACK FIELD IS ADDRESSED - Methods and apparatus are described. A wireless transmit/receive unit (WTRU) generates a piggybacked acknowledgement/non-acknowledgement (PAN) field and a PAN check sequence (PCS) from the PAN field. The WTRU masks the PCS with a temporary flow identity (TFI) that includes a specific sequence of a plurality of bit values that represents information other than an identification of a particular TBF. The WTRU transmits data that includes the PAN field and the masked PCS. | 02-27-2014 |
| 20140056189 | TDD BASE STATION FOR CODE GROUP SYNCHRONIZATION - A time division duplex (TDD) base station having a code group out of N code groups includes circuitry configured to transmit a primary synchronization code along with a plurality of secondary synchronization codes. The plurality of synchronization codes are quadrature phase shift keying modulated and number less than (log | 02-27-2014 |
| 20140050171 | METHOD AND APPARATUS FOR SELECTIVELY ENABLING RECEPTION OF DOWNLINK SIGNALING CHANNELS - In a wireless communication system including a wireless transmit/receive unit (WTRU) and at least one Node-B, a method and apparatus is used to selectively enable reception of at least one downlink (DL) enhanced uplink (EU) signaling channel established between the WTRU and the Node-B(s). During the operation of an enhanced dedicated channel (E-DCH), the WTRU monitors at least one DL EU signaling channel established between the WTRU and the Node-B(s) only when it is necessary, based on the WTRU's knowledge of at least one established standard procedure. The WTRU coordinates and consolidates DL signaling channel reception requirements of a plurality of channel allocation and/or data transmission procedures carried out by the WTRU in accordance with the established standard procedure. The WTRU determines whether to enable reception of at least one specific DL signaling channel based on the consolidated DL signaling channel reception requirements. | 02-20-2014 |
| 20140044115 | PEER-TO-PEER WIRELESS COMMUNICATION SYSTEM - A method and apparatus may be used for peer-to-peer communications. A first non-AP STA may transmit a request to another non-AP STA. The request may include information regarding an application. The first non-AP STA may receive a response from the other non-AP STA. The response may include information regarding the application. | 02-13-2014 |
| 20140036886 | RESOURCE ALLOCATION AND SIGNALINGS FOR GROUP SCHEDULING IN WIRELESS COMMUNICATIONS - Method and apparatus for resource allocation formatting, signaling, and procedures in wireless communications, the method reducing signal overhead. Wireless transmit/receive units are divided into one or more semi-static groups. Resource allocation takes place to a group and the resource sets are signaled to an individual unit needing the resources. The method is applied to resource allocation for services, including both real time and non real time services. | 02-06-2014 |
| 20140036884 | MAC MULTIPLEXING AND TFC SELECTION PROCEDURE FOR ENHANCED UPLINK - A method and a wireless transmit/receive unit (WTRU) for multiplexing data for an enhanced uplink channel is disclosed. The WTRU multiplexes data from medium access control for dedicated channel (MAC-d) flows into a medium access control for EU channel (MAC-e) protocol data unit (PDU), wherein a data multiplexing limit is at least based on an EU transport format combination (E-TFC) size and a size based on the at least one serving grant and the at least one non-scheduled grant. The WTRU select an E-TFC for transmission of the MAC-e PDU, wherein the selected E-TFC is a smallest E-TFC that supports the multiplexed data. | 02-06-2014 |
| 20140036783 | METHOD FOR SUPPORTING CIRCUIT SWITCHED INTERWORKING - A method includes receiving internet protocol (IP) multimedia core network subsystem (IMS) session content that includes voice call content in IMS domain and multimedia content in IMS domain; translating the voice call content in IMS domain to voice call content in circuit switched (CS) domain; transmitting the voice call content in CS domain to a wireless transmit/receive unit (WTRU) via a CS domain entity and a radio access network (RAN); and transmitting the multimedia content in IMS domain to the WTRU via a PS domain entity and the RAN. | 02-06-2014 |
| 20140036741 | DOWNLINK POWER CONTROL FOR MULTIPLE DOWNLINK TIME SLOTS IN TDD COMMUNICATION SYSTEMS - A method for downlink power control for use in a spread spectrum time division communication system having time slots for communication, implemented in a user equipment, includes receiving data in a command per coded composite transport channel (CCTrCH) transmitted over a plurality of time slots. An interference power for each time slot of the plurality of time slots is measured and a single power command for the entire CCTrCH is transmitted in response to a signal to interference ratio of the received CCTrCH and the measured interference power measurement for each time slot. A subsequent data is received in the CCTrCH communication having a transmission power level for each downlink communication time slot set individually in response to the interference power measurement for that time slot and the single power command for the entire CCTrCH. | 02-06-2014 |
| 20140036671 | SYSTEM AND METHOD FOR PRIORITIZATION OF RETRANSMISSION OF PROTOCOL DATA UNITS TO ASSIST RADIO LINK CONTROL RETRANSMISSION - Managing the transmission and retransmission of radio link control (RLC) data protocol data units (PDUs) is disclosed. An indication is received that an RLC data PDU was not successfully received by a receiving device. The RLC data PDU, that was not successfully received, is retransmitted, and prioritized over non-retransmitted RLC data PDUs. A number of times that the RLC data PDU was retransmitted is determined. | 02-06-2014 |
| 20140022947 | HIGH-THROUGHPUT CHANNEL OPERATION IN A MESH WIRELESS LOCAL AREA NETWORK - High throughput channel operation in a mesh wireless local area network (WLAN) is disclosed. A mesh network comprises a plurality of mesh points and a network management entity (NME). The NME is configured to retrieve capability and configuration data from the mesh points. The NME configures at least one mesh point with respect to IEEE 802.11n channelization and legacy protection mode based on the capability and configuration data. | 01-23-2014 |
| 20140016680 | MULTI-USER DETECTION USING EQUALIZATION AND SUCCESSIVE INTERFERENCE CANCELLATION - A method and apparatus for multi-user detection is disclosed. A signal is received in a shared spectrum, and samples of the received signals are produced as a received vector. The received vector is segmented into vector segments. Each segment has a portion that overlaps with another segment and the overlapping portion includes at least one chip less than twice a channel impulse response length. For each vector segment, symbols are successively determined for communications by determining symbols for a communication in the communications, ordering the communications by received power and removing a contribution of the communication from the vector segment. The determining of symbols includes equalizing an input vector corresponding to a segment of the received vector using fast Fourier transform. The determined symbols are assembled into a data vector for each communication in the communications. | 01-16-2014 |
| 20140004871 | SYSTEM AND METHOD FOR DETERMINING AIR INTERFACE INFORMATION FOR RADIO RESOURCE MANAGEMENT IN WIRELESS COMMUNICATIONS | 01-02-2014 |
| 20140003469 | TRANSMIT PROCESSING USING RECEIVER FUNCTIONS | 01-02-2014 |
| 20140003411 | REPORTING TERMINAL CAPABILITIES FOR SUPPORTING SHORT MESSAGE SERVICE | 01-02-2014 |
| 20140003393 | METHOD AND APPARATUS FOR SUPPORTING HANDOFF FROM GPRS/GERAN TO LTE EUTRAN | 01-02-2014 |
| 20130344867 | METHOD AND APPARATUS FOR EFFICIENTLY DELIVERING SUPPLEMENTARY SERVICES TO MULTI-TECHNOLOGY CAPABLE WIRELESS TRANSMIT/RECEIVE UNITS - A multiple wireless access technology capable (WAT-capable) wireless transmit receive unit (WTRU) includes a registration message generator configured to generate a registration message indicating that the WTRU is configured to communicate using an IEEE 802.11x technology. The WTRU also includes a transmitter configured to send the registration message via an IEEE 802.11x WLAN to a cellular network during registration with the cellular network, and a receiver configured to receive services from the cellular network via the WLAN. The registration message further indicates that the WTRU is configured to receive Short Message Service (SMS) messages from the cellular network via the WLAN. The WTRU receiver receives services that include Short Message Service (SMS) messages. | 12-26-2013 |
| 20130343287 | METHOD AND APPARATUS FOR EFFICIENT OPERATION OF AN ENHANCED DEDICATED CHANNEL - A method for processing enhanced dedicated channel data in a wireless transmit/receive unit is described. An interrupt message is received at a medium access control (MAC) layer. The interrupt message is processed by the MAC layer, including at least one of: performing grant processing, on a condition that a grant is included in the interrupt message; obtaining buffer occupancy information; performing transport format combination recovery and elimination; generating a rate request; or multiplexing multiple protocol data units (PDUs) into a single MAC-e PDU. | 12-26-2013 |
| 20130343286 | SPREAD-SPECTRUM COMMUNICATION UNIT - A set of spread-spectrum units is capable of operating as a base station or as a remote unit. Each spread-spectrum unit includes a base subunit or a remote subunit, each subunit having a receiver for receiving spread-spectrum signals at a first frequency transmitted from the spread-spectrum units; a signal despreader for despreading the spread-spectrum; a demodulator for demodulating the despread-spread-spectrum signals; a combiner for combining the demodulated signals, and a local signal; a converter for converting the combined signal to a base-data signal; a spread-spectrum circuit for processing the base-data signal; and a transmitter for transmitting at a second frequency the processed base-data signal as a base-spread-spectrum signal. | 12-26-2013 |
| 20130343278 | METHOD AND APPARATUS FOR RETRANSMISSION MANAGEMENT FOR RELIABLE HYBRID ARQ PROCESS - A method for transmitting a packet from a transmitter to a receiver in a wireless communication system begins by building a packet by a transport format combination (TFC) selection process, and the packet is transmitted from the transmitter to the receiver. If the transmitter receives an indication that the packet was not successfully received at the receiver, the packet is retransmitted via a hybrid automatic repeat request (HARQ) procedure. If the HARQ procedure did not successfully transmit the packet, then the packet is retransmitted via a retransmission management (RM) procedure. If the RM procedure did not successfully transmit the packet, then the packet is discarded by the transmitter. | 12-26-2013 |
| 20130336162 | METHODS AND APPARATUS FOR BASE STATION SELF-CONFIGURATION - Disclosed is method and apparatus for operation of a base station in wireless communications, including self-configuration of the base station for secure and authenticated communications with other base stations. | 12-19-2013 |
| 20130331144 | METHOD AND APPARATUS FOR BATTERY MANAGEMENT IN A CONVERGED WIRELESS TRANSMIT/RECEIVE UNIT - The present invention is a method and apparatus for minimizing power consumption in a converged WTRU. In a preferred embodiment, power consumption is minimized by coordinating battery management of the various RATs supported by the converged WTRU. A coordinated multi-RAT battery management (CMRBM) unit is used by the converged WTRU to minimize power consumption. The CMRBM unit monitors various power and link metrics of the various RATs supported by the converged WTRU, and coordinates power states of the converged WTRU. | 12-12-2013 |
| 20130329698 | METHOD AND APPARATUS FOR COORDINATING A RADIO NETWORK CONTROLLER AND NODE B RESOURCE MANAGEMENT FOR HIGH SPEED DOWNLINK PACKET DATA SERVICE - The architecture of the high-speed shared service provides a Node B yielding various sets of information that answer a set of basic questions that a data service needs. Many potential measurements the Node B can make are provided to the RNC to enable a resource manager to perform certain functions and which can be used to answer the set of basic questions. | 12-12-2013 |
| 20130328727 | METHOD AND SYSTEM FOR POSITIONING MOBILE UNITS BASED ON ANGLE MEASUREMENTS - A method and system for positioning mobile units using angle measurements taken by neighboring mobile units is disclosed. A selected mobile unit and mobile units in the vicinity of the selected mobile unit are selectively instructed to measure and report information related to the position of the selected mobile unit. The reported information is used to compute a position of the selected mobile unit. | 12-12-2013 |
| 20130326320 | METHOD AND APPARATUS FOR INDICATING A TEMPORARY BLOCK FLOW TO WHICH A PIGGYBACKED ACK/NACK FIELD IS ADDRESSED - A method and an apparatus for indicating a temporary block flow (TBF) to which a piggybacked acknowledgement/non-acknowledgement (PAN) field is addressed. A method and apparatus of performing receive processing to reduce the probability of false acceptance of erroneous PANs are also disclosed. A transmit station generates a PAN check sequence (PCS) and performs a channel coding on a PAN field and the PCS. The transmit station scrambles the encoded bits of the PAN field and the PCS with a TBF-specific scrambling code. Because of the scrambling, the PCS decoding at a receive station will pass if the data block is received by an intended receive station, while the PCS decoding will fail if received by a non-intended receive station. Alternatively, the scrambling may be performed before the channel coding. Alternatively, the transmit station may combine the PAN field and a temporary flow identity (TFI) to generate a PCS. | 12-05-2013 |
| 20130322411 | TDMA/CDMA APPARATUS - A wireless hybrid time division multiple access/code division multiple access (TDMA/CDMA) user equipment (UE) includes a signaling receiver and a data detection device in communication with the signaling receiver. The signaling receiver is configured to receive and recover signaled information of code and timeslot assignments of the UE to suport an RF communication. The data detection device is configured to recover from the signaling information an identifier of a plurality of assigned timeslots and an indication of a first and last code of a set of consecutive codes. The last code is identified by an identifier associated with the last code. | 12-05-2013 |
| 20130322386 | METHOD AND APPARATUS FOR ACCESSING AN UPLINK RANDOM ACCESS CHANNEL IN A SINGLE CARRIER FREQUENCY DIVISION MULTIPLE ACCESS SYSTEM - A method and apparatus for accessing a contention-based uplink random access channel (RACH) in a single carrier frequency division multiple access (SC-FDMA) system are disclosed. A wireless transmit/receive unit (WTRU) randomly selects a RACH subchannel and a signature among a plurality of available RACH subchannels and signatures. The WTRU transmits a preamble using the selected signature via the selected RACH subchannel at a predetermined or computed transmission power. A base station monitors the RACH to detect the preamble and sends an acquisition indicator (AI) to the WTRU when a signature is detected on the RACH. When receiving a positive acknowledgement, the WTRU sends a message part to the base station. If receiving a negative acknowledgement or no response, the WTRU retransmits the preamble. | 12-05-2013 |
| 20130315221 | METHOD AND APPARATUS FOR TRANSFERRING ANTENNA CAPABILITY INFORMATION - A method and apparatus for exchanging antenna capability information between a transmitting station (STA) and a receiving STA in a wireless communication system may include an antenna capability information element (IE) that includes information regarding the capability of the transmitting STA. The antenna capability IE may be transmitted from the transmitting STA to the receiving STA prior to data transmission between the transmitting STA and the receiving STA. When used in a wireless local area network, the antenna capability IE may be transmitted as part of a management frame, control frame, or data frame. | 11-28-2013 |
| 20130315172 | METHOD AND APPARATUS FOR SENDING FEEDBACK FOR A DOWNLINK SHARED SERVICE TRANSMITTED TO A PLURALITY OF WIRELESS TRANSMIT/RECEIVE UNITS - A wireless transmit/receive units (WTRUs) receives a downlink transmission from a Node-B and decodes the downlink transmission. If the decoding is not successful, the WTRU sends a pre-defined burst signifying a negative acknowledgement (NACK) to the Node-B via a contention-based shared feedback channel. The pre-defined burst may be sent only once without requiring an acknowledgement. The Node-B calibrates a downlink transmit power so that the downlink transmission is transmitted to the WTRUs with a high likelihood. The Node-B may send a downlink transmission including multiple data streams processed using different modulation and coding schemes so that a WTRU having a high signal quality decodes all data streams while a WTRU having a low signal quality decodes less than all data streams. The Node-B sends a channel quality indicator (CQI) threshold so that each WTRU determines a data stream to report feedback based on the CQI threshold and a measured CQI. | 11-28-2013 |
| 20130312125 | METHOD AND APPARATUS FOR SECURE TRUSTED TIME TECHNIQUES - A method and apparatus to establish a trustworthy local time based on trusted computing methods are described. The concepts are scaling because they may be graded by the frequency and accuracy with which a reliable external time source is available for correction and/or reset, and how trustworthy this external source is in a commercial scenario. The techniques also take into account that the number of different paths and number of hops between the device and the trusted external time source may vary. A local clock related value which is protected by a TPM securely bound to an external clock. A system of Accuracy Statements (AS) is added to introduce time references to the audit data provided by other maybe cheaper sources than the time source providing the initial time. | 11-21-2013 |
| 20130308605 | CENTRALIZED RADIO NETWORK CONTROLLER - In a radio access network, novel systems and methods reduce processing delay, and improve integration with IP networks, by separating user data from connection management and control data at a Node B or at a base station. The user data are routed to an IP (Internet Protocol) switch, whereas the connection management and control data are routed to a centralized radio network controller (RNC). Pursuant to a second embodiment of the invention, a centralized RNC provides improved radio resource management (RRM) functionality by handing all connection management and control data for a plurality of Node B's, thereby simplifying the switching of user data throughout the radio access network. Pursuant to a third embodiment of the invention, a smart IP switch is equipped to switch user data without core network (CN) involvement. Downlink user data are switched independently of uplink user data. | 11-21-2013 |
| 20130301417 | SYSTEM FOR PERMITTING CONTROL OF THE PURGING OF A NODE B BY THE SERVING RADIO NETWORK CONTROLLER - A system and method which permit the RNC to control purging of data buffered in the Node B. The RNC monitors for a triggering event, which initiates the purging process. The RNC then informs the Node B of the need to purge data by transmitting a purge command, which prompts the Node B to delete at least a portion of buffered data. The purge command can include instructions for the Node B to purge all data for a particular UE, data in one or several user priority transmission queues or in one or more logical channels in the Node B, depending upon the particular data purge triggering event realized in the RNC. | 11-14-2013 |
| 20130250898 | METHOD AND SYSTEM FOR PERFORMING PEET-TO-PEER COMMUNICATION BETWEEN STATIONS WITHIN A BASIC SERVICE SET - A method and system for performing peer-to-peer wireless communication between stations (STAs) within a basic service set (BSS) while maintaining connectivity with an access point (AP) in the BSS are disclosed. A source STA, an AP and a destination STA negotiate a direct link setup (DLS) channel for performing peer-to-peer communication between the source STA and the destination STA. The DLS channel may be different from a BSS channel used for communication between the AP and each of the STAs. The source STA and the destination STA then perform peer-to-peer communication on the negotiated DLS channel. | 09-26-2013 |
| 20130242945 | METHOD AND APPARATUS FOR IDENTIFYING MOBILE NETWORK PROTOCOL CAPABILITIES - A method and apparatus for improving handover in an IEEE 802.21 compliant communication network. A query is transmitted from a wireless transmit/receive unit (WTRU) to a media independent handover (MIH) server (MIHS). The WTRU includes a target point of attachment (PoA) and/or a preferred mobile inter protocol (MIP) method. The WTRU receives a response from the MIHS indicating the MIP method supported by the target PoA. Based on the received response, the WTRU may make an informed decision regarding handover. | 09-19-2013 |
| 20130242914 | METHOD AND APPARATUS FOR SELECTING MULTIPLE TRANSPORT FORMATS AND TRANSMITTING MULTIPLE TRANSPORT BLOCKS SIMULTANEOUSLY WITH MULTIPLE H-ARQ PROCESSES - A method and apparatus for selecting multiple transport formats and transmitting multiple transport blocks (TBs) in a transmission time interval simultaneously with multiple hybrid automatic repeat request (H-ARQ) processes in a wireless communication system are disclosed. Available physical resources and H-ARQ processes associated with the available physical resources are identified and channel quality of each of the available physical resources is determined. Quality of service (QoS) requirements of higher layer data to be transmitted are determined. The higher layer data is mapped to at least two H-ARQ processes. Physical transmission and H-ARQ configurations to support QoS requirements of the higher layer data mapped to each H-ARQ process are determined. TBs are generated from the mapped higher layer data in accordance with the physical transmission and H-ARQ configurations of each H-ARQ process, respectively. The TBs are transmitted via the H-ARQ processes simultaneously. | 09-19-2013 |
| 20130235833 | RLAN WIRELESS TELECOMMUNICATIONS WITH RADIO ACCESS NETWORK (RAN) GATEWAY AND METHODS - Methods and apparatus for communicating with the Internet via a gateway are disclosed. The gateway may be a Radio Access Network (RAN) gateway. The gateway may communicate data with at least one user equipment (UE). The gateway may route the data via one or more interfaces. The data may be routed by bypassing a core network. | 09-12-2013 |
| 20130235830 | METHOD AND APPARATUS TO REDUCE RADIO RESOURCE OVERHEAD ASSOCIATED WITH INTERMITTENT TRAFFIC - A method and apparatus for requesting and releasing resources for a wireless transmit/receive unit (WTRU) and/or Node B. The WTRU may transmit a channel acquisition request to the Node B and receive a resource allocation from the Node B. The resource allocation may include a common resource. The WTRU may release the common resource. The release may be based on one or more conditions. The channel acquisition request or the resource allocation may include information related to one or more channels or resources. | 09-12-2013 |
| 20130229983 | BASE STATION SYNCHRONIZATION - A method and apparatus of time synchronizing a plurality of base stations in a wireless communication system includes receiving an indication of a timing associated with a synch burst, where the synch burst is from a mastercell having a better time synchronization quality than other cells and measured by at least one cell other than the mastercell. A request is sent to a wireless transmit/receive unit (WTRU) for a measurement of a base station time of arrival (BSTOA) value of the at least one cell other than the mastercell. The BSTOA value from the WTRU is received and a timing adjustment is sent to the at least one cell other than the mastercell. | 09-05-2013 |
| 20130223316 | RELIABILITY DETECTION OF CHANNEL QUALITY INDICATOR (CQI) AND APPLICATION TO OUTER LOOP POWER CONTROL - A method for performing outer loop power control in wireless communications includes initializing a time interval clock to count down a predetermined time interval; receiving and decoding a channel quality indicator (CQI) message; computing a decision metric value for each symbol in the decoded CQI message; determining whether the CQI message is erroneous; counting a number of erroneous CQI messages; and signaling a wireless/transmit receive unit to adjust an uplink transmission power on a condition that the time interval clock has expired and the number of erroneous CQI messages exceeds a threshold. | 08-29-2013 |
| 20130215782 | MEDIA INDEPENDENT MULTI-RAT FUNCTION IN A CONVERGED DEVICE - A communication device facilitates a multiple radio access technology (multi-RAT) mesh network and includes a processor that executes a media independent mesh function (MIMF), the MIMF configured to exchange media independent mesh information between peer mesh entities. At least two physical network links of the communication device support different radio access technologies (RATs). The MIMF is further configured to determine a RAT-agnostic link quality estimate for a signal routing, to selectively activate or deactivate each RAT-based physical network link to conserve power and control bandwidth; and to determine a multi-RAT mesh capability of a peer device. | 08-22-2013 |
| 20130208684 | RANDOM ACCESS CHANNEL FOR OFDM-MIMO SYSTEM - In orthogonal frequency division multiplexing (OFDM) multiple-input multiple-output (MIMO) systems, a wireless transmit/receive unit (WTRU) selects a random access channel (RACH) and a phase for a constant amplitude zero auto correlation (CAZAC) sequence for RACH transmission. The WTRU then transmits a RACH transmission to a Node B via the selected RACH. Once the RACH transmission is detected, the Node B sends an acknowledgement (ACK) to the WTRU over an ACK channel. The Node B may transmit the ACK on a shared channel. The WTRU may ramp up transmit power while the RACH transmission is transmitted, or steps up transmit power of a subsequent RACH transmission. The RACH transmission and data transmission may be either time multiplexed or frequency multiplexed. A plurality of RACHs may be defined and one of the defined RACHs may be selected randomly or based on predetermined criteria. | 08-15-2013 |
| 20130208635 | METHOD AND SYSTEM WHEREIN TIMESLOTS ALLOCATED FOR COMMON CONTROL CHANNELS MAY BE REUSED FOR USER TRAFFIC - A network apparatus for use in a wireless time division duplex (TDD) code division multiple access communication system includes a processor configured to allocate a time slot in a frame for a plurality of cells for transmission of data over a forward access channel (FACH). Each of the plurality of cells is allocated a different time slot in the frame for transmission of the data over the FACH. | 08-15-2013 |
| 20130195055 | SENDING AND REDUCING UPLINK FEEDBACK SIGNALING FOR WIRELESS TRANSMISSION OF DATA - A wireless transmit/receive unit includes at least one processor that receives a high speed physical downlink shared channel, and in response, transmits at least one random access channel preamble followed by ACK/NACK and channel quality indicator (CQI) information. The at least one random access channel preamble is selected from a set of random access preambles reserved for the ACK/NACK and CQI information. | 08-01-2013 |
| 20130176988 | DATA SPLIT BETWEEN MULTIPLE SITES - Splitting data in a wireless communications network. Data may be split to use multiple base stations for transmission to user equipment in order to improve the bandwith if a UE is on a cell edge, or may be split by user equipment for transmission to multiple base stations in order to improve handover. Data splitting may be performed at the Packet Data Convergence Protocol layer, at the Radio Link Control layer, or at the Media Access Control layer on user equipment or on a base station. Data may instead be split in a network node, such as in a serving gateway, in Yes order to reduce X2 interface load or delay carrier aggregation. | 07-11-2013 |
| 20130176964 | HYBRID DEDICATED REFERENCE SIGNAL METHOD AND SYSTEM - The transmission and decoding of resource blocks (RBs) transmitted via a multiple-input multiple-output (MIMO) antenna having a plurality of transmit antennas is disclosed. Each RB includes a plurality of resource elements (REs). Each RE is reserved for one of a common reference signal (CRS) associated with one of the transmit antennas, a dedicated reference signal (DRS) including a single beamformed or precoded pilot, a DRS including a composite beamformed or precoded pilot, and a data symbol. Each RB may include a “control type” data symbol that indicates a DRS mode associated with the RB. In one DRS mode, each DRS includes a single beamformed or precoded pilot. In another DRS mode, each DRS includes a composite beamformed or precoded pilot. In yet another DRS mode, single beamformed or precoded pilots, and composite beamformed or precoded pilots, may coexist and be transmitted simultaneously within the same RBs or in different RBs. | 07-11-2013 |
| 20130170355 | METHOD AND APPARATUS FOR SUPPORTING UPLINK STARVATION AVOIDANCE IN A LONG TERM EVOLUTION SYSTEM - A method and apparatus for uplink (UL) starvation avoidance includes determining a current buffer status information. The current buffer status information is reported to an evolved Node B (eNB). A grant that includes a determination of a number of tokens a wireless transmit/receive unit (WTRU) may accumulate is received from the eNB. | 07-04-2013 |
| 20130166995 | METHOD AND APPARATUS FOR ENCODING AND DECODING HIGH SPEED SHARED CONTROL CHANNEL - A method and apparatus for encoding and decoding high speed shared control channel (HS-SCCH) data are disclosed. For part 1 data encoding, a mask may be generated using a wireless transmit/receive unit (WTRU) identity (ID) and a generator matrix with a maximum minimum Hamming distance. For part 2 data encoding, cyclic redundancy check (CRC) bits are generated based on part 1 data and part 2 data. The number of CRC bits is less than the WTRU ID. The CRC bits and/or the part 2 data are masked with a mask. The mask may be a WTRU ID or a punctured WTRU ID of length equal to the CRC bits. The mask may be generated using the WTRU ID and a generator matrix with a maximum minimum Hamming distance. The masking may be performed after encoding or rate matching. | 06-27-2013 |
| 20130166971 | Method And Apparatus For Encoding Channel Quality Indicator And Precoding Control Information Bits - A method and apparatus for encoding channel quality indicator (CQI) and precoding control information (PCI) bits are disclosed. Each of the input bits, such as CQI bits and/or PCI bits, has a particular significance. The input bits are encoded with a linear block coding. The input bits are provided with an unequal error protection based on the significance of each input bit. The input bits may be duplicated based on the significance of each input bit and equal protection coding may be performed. A generator matrix for the encoding may be generated by elementary operation of conventional basis sequences to provide more protection to a most significant bit (MSB). | 06-27-2013 |
| 20130165054 | METHOD AND APPARATUS FOR MEASURING INTERFERENCE IN WIRELESS STATIONS - A method for use in a station of measuring radio frequency (RF) interference is presented. An average noise power indicator of the STA (STA_ANPI) is determined. A rate of change of the STA_ANPI is monitored to determine an RF interference metric. The RF interference metric is transmitted to another network entity, whereby the another network entity is enabled to perform load balancing based on the RF interference metric. | 06-27-2013 |
| 20130163578 | METHOD AND APPARATUS OF ENABLING MULTI BAND TRANSMISSION - A method and apparatus for enabling multi-band transmission includes receiving a beacon on a first radio band and receiving the beacon on a second radio band. The beacon includes synchronization information for transmission on the first and second radio bands. | 06-27-2013 |
