INNOVATIVE SONIC CORPORATION Patent applications |
Patent application number | Title | Published |
20140355533 | METHOD AND APPARATUS FOR TTI (TRANSMISSION TIME INTERVAL) BUNDLING FOR SMALL CELL ENHANCEMENTS IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed for TTI bundling for small cell enhancements in a wireless communication system. The method includes a UE (User Equipment) that is served by a first cell controlled by a first eNB (evolved Node B). The method also includes the UE receives a first RRC (Radio Resource Control) message for configuring a TTI bundling. The method further includes the UE receives a second RRC message for adding a second cell controlled by a second eNB to the UE, wherein the second cell is configured with a PUSCH (Physical Uplink Shared Channel). In addition, the method includes the UE applies the TTI bundling for uplink transmissions on the first cell and does not apply the TTI bundling for uplink transmissions on the second cell. | 12-04-2014 |
20140301224 | METHOD AND APPARATUS FOR IMPROVING SMALL CELL MEASUREMENT IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed for improving small cell measurement in a wireless communication system. The method includes configuring a plurality of offset values for Radio Resource Management (RRM) measurement on a small cell. The method also includes selecting some of the plurality of offset values to determine a triggering of the measurement report of the small cell. | 10-09-2014 |
20140295860 | METHOD AND APPARATUS FOR MONITORING A RADIO LINK ON A SMALL CELL IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed for monitoring a radio link on a small cell in a wireless communication system. The method includes the UE receives a RRC message for configuring a second cell to the UE. The method also includes the UE transmits a complete message in response to the RRC message for configuring the second cell. The method further includes the UE monitors a radio link with the second cell and reports a radio link failure to the first eNB when the radio link failure is detected on the second cell, if the second cell is controlled by a second eNB. In one embodiment, the method includes (i) the UE stops uplink transmission(s) to the second cell after detection of the radio link failure, and/or (ii) the UE deactivates the second cell after detection of the radio link failure. | 10-02-2014 |
20140293903 | METHOD AND APPARATUS FOR REMOVING A SERVING CELL IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed for removing a serving cell in a wireless communication system. The method includes a UE is served by a first cell controlled by a first eNB. The method also includes the UE is configured with a second cell controlled by a second eNB. The method further includes the UE is configured with a radio bearer, wherein there is a PDCP entity corresponding to the RB and there are two RLC entities corresponding to the RB, one RLC entity for data transfer via the first cell and the other RLC entity for data transfer via the second cell. In addition, the method includes the UE delivers out-of-sequence RLC SDUs reassembled by the RLC entity corresponding to the first cell to the PDCP entity in response to reception of an instruction to remove the second cell. In one embodiment, the method also includes the UE transmits a PDCP status report to the first eNB to indicate which PDCP packets of the RB need to be retransmitted if the PDCP status report is configured as required to the RB. | 10-02-2014 |
20140293898 | METHOD AND APPARATUS FOR SCHEDULING REQUEST OPERATION OF SMALL CELL ENHANCEMENTS IN A WIRELESS COMMUNICATION SYSTEM - Methods and apparatuses are disclosed for scheduling request operation in a small cell in a wireless communication system. The method includes having a user equipment (UE) configured with a first serving cell and a second serving cell. The method further includes configuring the (UE) with a first scheduling request (SR) resource on a first physical uplink control channel and a second SR resource on a second physical uplink control channel. The method includes selecting, by the UE, the first SR resource to start a SR procedure in response to a trigger by a buffer status report (BSR), wherein an availability of the first SR resource is nearer to a timing of a triggering of the BSR than the availability of the second SR resource. Also, the method includes sending, by the UE, scheduling requests with the first SR resource on the first physical uplink control channel. | 10-02-2014 |
20140293897 | METHOD AND APPARATUS FOR ADDING SERVING CELLS IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed for adding serving cells in a wireless communication system. The method includes a UE (User Equipment) is served by a first cell controlled by a first eNB (evolved Node B), wherein multiple radio bearers (RBs) for the UE are allocated to the first eNB and there is a MAC (Medium Access Control) entity in the UE for supporting the first cell. The method also includes the UE receives a RRC (Radio Resource Control) message for adding a second cell controlled by a second eNB to the UE, wherein a RB among the multiple RBs is relocated to the second eNB according to information included in the RRC message. The method further includes the UE re-establishes a RLC (Radio Link Control) entity corresponding to the RB and does not reset the MAC entity in response to the relocation of the RB. | 10-02-2014 |
20140293896 | METHOD AND APPARATUS FOR TRIGGERING A REGULAR BUFFER STATUS REPORT (BSR) IN DUAL CONNECTIVITY - A method and apparatus are disclosed for triggering a buffer status in dual connectivity, wherein a UE is served by a first eNB. The method includes the UE receives a first RRC (Radio Resource Control) message for adding a second cell controlled by a second eNB to the UE. The method also includes the UE triggers a Regular BSR for transmission to the second eNB when the second cell is added. | 10-02-2014 |
20140293873 | METHOD AND APPARATUS FOR SMALL CELL ENHANCEMENTS IN A WIRELESS COMMUNICATION SYSTEM - Methods an apparatuses are disclosed for small cell enhancement in a wireless communication system. The method includes having a user equipment (UE) connected to a Macro evolved Node B (eNB. The method further includes configuring the UE to establish a very first Small Cell through a Radio Resource Control (RRC) message, wherein the very first Small Cell belongs to a Small Cell eNB different from the Macro eNB. | 10-02-2014 |
20140211759 | METHOD AND APPARATUS FOR HANDLING INTER-NODE CONNECTIVITY IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for handling inter-node connectivity in a wireless communication system are disclosed. The method includes transmitting a request from a first network node to a second network node to stop aggregating a SCell (Secondary Cell) for a UE (User Equipment); wherein the first network node controls the SCell and the second network node controls PCell (Primary Cell) of the UE. Also, another method and apparatus for handling inter-node connectivity in a wireless communication system are disclosed. The method includes transmitting a request from a first network node, which controls a first serving cell of a UE (User Equipment), to a second network node, which controls a second serving cell of the UE, to change a data path corresponding to a first type of transmission and/or reception of the UE from a first path to a different path; wherein the first path is via the first network node and used as the data path corresponding to the first type of transmission and/or reception of the UE, and a second path is via the second network node and used as a data path corresponding to a second type of transmission and/or reception of the UE. In addition, an alternative method and apparatus for handling inter-node connectivity in a wireless communication system are disclosed. The method includes transmitting a request from a first network node to a core network node to change a data path corresponding to a first type of transmission and/or reception of a UE (User Equipment) from a first path to a different path; wherein the first path is via the first network node and used as the data path corresponding to the first type and a third type of transmission and/or reception of the UE, a second path is via a second network node and used as a data path corresponding to a second type of transmission and/or reception of the UE, and the request does not indicate to change the data path corresponding to the third type of transmission and/or reception of the UE. | 07-31-2014 |
20140211647 | METHOD AND APPARATUS OF SMALL CELL ENHANCEMENT IN A WIRELESS COMMUNICATION SYSTEM - Methods and apparatuses are disclosed for small cell enhancement in a wireless communication system. The method includes having a user equipment (UE) configured with at least a first serving cell and a second serving cell. The method also includes the UE reporting a power information report to the first serving cell, in which the power information report includes power information of a first set of serving cells and a second set of serving cells. | 07-31-2014 |
20140204869 | METHOD AND APPARATUS FOR CHANNEL STATE INFORMATION MEASUREMENT IN A WIRELESS COMMUNICATION SYSTEM - Methods and apparatuses are disclosed to measure channel state information in a wireless communication system. The method includes selecting a subframe to be a reference resource for a channel state information (CSI) report on a Secondary Cell (SCell), in which the subframe is not a downlink (DL) subframe or a special subframe whose downlink portion is longer than a threshold on a Primary Cell (PCell). The method further includes executing a handling. | 07-24-2014 |
20140204868 | METHOD AND APPARATUS FOR IMPROVING A NEW CARRIER TYPE IN A WIRELESS COMMUNICATION SYSTEM - Methods and apparatuses are disclosed to improve a new carrier type in a wireless communication system. The method includes having, in at least one subframe, more than one number of available resource elements among Physical Resource Blocks (PRBs) in a cell. The method further includes receiving an Enhanced Physical Downlink Control Channel (ePDCCH) on a number of PRB pairs, wherein the PRB pairs have the same number of available resource elements. | 07-24-2014 |
20140194114 | METHOD AND APPARATUS FOR ESTABLISHING A DIRECT CONNECTION IN A PROXIMITY-SERVICES COMMUNICATION SYSTEM - A method and apparatus for establishing a direct connection in a ProSe (Proximity Services) communication system are disclosed. The method includes a first UE initiating a direct connection with a second UE and receiving a CID (Connection Identifier) from an administration entity of the ProSe communication system, wherein the CID is used for identifying the direct connection. The method further includes the administrative entity of the ProSe communication system receiving a request from a first UE (User Equipment) to establish a direct connection with a second UE and sending a CID (Connection Identifier) to a first UE connection, wherein the CID is used for identifying the direct connection. | 07-10-2014 |
20140192637 | METHOD AND APPARATUS FOR IMPLEMENTING PROXIMITY SERVICES IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for implementing ProSe (Proximity Services) are disclosed. The method includes using ProSe communication with direct mode data path. The method also includes sending a request to an eNB (evolved Node B) to establish ProSe communication with locally-routed data path. | 07-10-2014 |
20140177562 | METHOD AND APPARATUS FOR IMPLEMENTING NEW CARRIER TYPE (NCT) IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for implementing New Carrier Type (NCT) are disclosed. The method includes including a PDCCH (Physical Downlink Control Channel) for a standalone NCT in part of DL (Downlink) bandwidth, wherein bandwidth for the PDCCH is indicated in a MIB (Master Information Block) field. In one embodiment, the method includes demodulating the PDCCH using the reduced CRS within the indicated bandwidth for the PDCCH. | 06-26-2014 |
20140177560 | METHOD AND APPARATUS OF SMALL CELL ENHANCEMENT IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to provide small cell enhancement in a wireless communication system. The method includes connecting to more than one serving cell. The method further includes triggering a Buffer Status Report (BSR) or a Power Headroom Report (PHR). The method further includes transmitting a Medium Access Control (MAC) control element corresponding to the BSR or the PHR in a serving cell, wherein the serving cell depends on a trigger of the BSR or the PHR. | 06-26-2014 |
20140162644 | METHOD AND APPARATUS FOR PROXIMITY SERVICE ENHANCEMENT IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to provide proximity service discovery in a wireless communication system. The method includes transmitting, from a first user equipment (UE), a message indicating a presence of the first UE to a serving cell or evolved Node B (eNB) when the first UE wants to be discovered. | 06-12-2014 |
20140153538 | METHOD AND APPARATUS FOR IMPROVING PROXIMITY SERVICE DISCOVERY IN A WIRELESS COMMUNICATION SYSTEM - Methods and apparatuses are disclosed to allocating and handling peer discovery resources. One method includes a wireless network allocating multiple sets of peer discovery resources, wherein different sets of peer discovery resources are used by user equipments (UEs) to transmit/receive peer discovery signals for different uses. Another method includes UE receiving a configuration of peer discovery resources from a system information message of a cell, wherein the configuration contains multiple sets of peer discovery resources and different sets of peer discovery resources are used by the UE to receive peer discovery signals for different uses. The method further includes the UE determining which set of peer discovery resources to receive peer discovery signals. The method also includes the UE receiving the peer discovery signals at a set of peer discovery resources determined by the UE. | 06-05-2014 |
20140153509 | METHOD AND APPARATUS FOR ESTABLISHING PROXIMITY SERVICE COMMUNICATION IN A WIRELESS COMMUNICATION SYSTEM - Methods and apparatuses are disclosed to establish proximity service communication between a first user equipment (UE) and a second UE. The method includes receiving, by the first UE, a signaling transmitted by an evolved Node B (eNB) to provide a radio resource for the first UE to transmit data directly to the second UE, wherein an indication of a Radio Network Temporary Identifier (RNTI) is included in the signaling. The method further includes transmitting, by the first UE, data via the radio resource to the second UE, wherein the data is scrambled by the RNTI. | 06-05-2014 |
20140148201 | METHOD AND APPARATUS FOR DIRECT DEVICE TO DEVICE DISCOVERY IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed coordinating restricted ProSe (Proximity-based Service) discovery using a proximity detection signal. The method includes a network receives a friends list from a first UE (User Equipment), wherein the friends list includes UEs that are permitted to discover the first UE. The method also includes the network allocates a UE-specific information for the first UE and provides the UE-specific information to the first UE so that the first UE could use the UE-specific information to generate the proximity detection signal. The method further includes the network delivers the UE-specific information of the first UE to a second UE in the friends list so that the second UE could use the UE-specific information to process the proximity detection signal to identify the first UE. | 05-29-2014 |
20140146762 | METHOD AND APPARATUS FOR DIRECT DEVICE TO DEVICE COMMUNICATION IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for resource allocation in a communication system are disclosed. The method includes a first UE (User Equipment) establishes a peer-to-peer connection with a second UE for a service. The method also includes the first UE determines a scheduling resource group for the peer-to-peer connection from multiple scheduling resource groups with different priorities according to a quality of service (QoS) of the service. The method further includes the first UE selects a scheduling resource in the scheduling resource group. In addition, the method includes the first UE signals a transmit request at the selected scheduling resource of a traffic slot if the first UE has traffic for transmission in the traffic slot. | 05-29-2014 |
20140141777 | METHOD AND APPARATUS OF IMPROVING PROXIMITY SERVICE DISCOVERY IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to provide proximity service discovery in a wireless communication system. The method includes receiving, from a first user equipment, a discovery signal by a second user equipment for discovering or being discovered. The method further includes transmitting, from the second user equipment, a discovery check signal to a network in response to the discovery signal to check a discovery result. | 05-22-2014 |
20140134974 | METHOD AND APPARATUS FOR REPORTING CHARGING INFORMATION OF DIRECT DEVICE TO DEVICE COMMUNICATION IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed for reporting charging information by a first user equipment. The method includes establishing, by the first user equipment, a radio resource control (RRC) connection with a network and entering a RRC connection mode. The method further includes establishing, by the first user equipment, a peer to peer connection with a second user equipment for a proximity-based service (ProSe) communication. In addition, the method includes sending, by the first user equipment, charging information of the ProSe communication to the network. | 05-15-2014 |
20140119305 | METHOD AND APPARATUS TO HANDLE TTI (TRANSMISSION TIME INTERVAL) BUNDLING IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to handle TTI bundling. In an embodiment implemented in a UE (User Equipment), the method includes configuring the UE with a plurality of serving cells, wherein the TTI bundling and secondary cells with configured UL (uplink) could be simultaneously configured for the UE. In an embodiment from the perspective of a network, the method includes issuing, from a E-UTRAN (Evolved Universal Terrestrial Radio Access Network), a message to configure a UE with a plurality of serving cells, wherein the E-UTRAN could simultaneously configure the TTI bundling and the secondary cells with configured UL for the UE. | 05-01-2014 |
20140119304 | METHOD AND APPARATUS TO HANDLE UPLINK (UL) INFORMATION IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to handle UL information. The method includes configuring a UE (User Equipment) with multiple serving cells. The method further includes transmitting, from the UE, in a subframe i a first UL control information on a physical channel of a first UL serving cell. The method also includes transmitting, from the UE, in the subframe i a second UL control information on a physical channel of a second UL serving cell, wherein if the total transmit power of the UE exceeds {circumflex over (P)} | 05-01-2014 |
20140112271 | METHOD AND APPARATUS TO IMPLEMENT DISCONTINUOUS RECEPTION (DRX) IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to implement DRX (Discontinuous Reception) in a UE (User Equipment). The method includes configuring the UE with at least a small cell, and serving the UE with a macro cell, wherein the macro cell is controlled by a MeNB (Master evolved Node B) and the small cell is controlled by a SeNB (Secondary evolved Node B). In addition, the method includes configuring DRX with a plurality of drxStartOffset parameters, wherein at least one of the drxStartOffset parameters is used for the MeNB and at least one of the drxStartOffset parameters is used for the SeNB. Furthermore, the method includes starting the UE on an onDurationTimer when a drxStartOffset condition is satisfied. | 04-24-2014 |
20140112270 | METHOD AND APPARATUS FOR DIRECT DEVICE TO DEVICE COMMUNICATION IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to release a connection for a peer to peer communication session. The method includes initiating, by a first user equipment, a peer to peer communication session with a second user equipment. The method further includes establishing, by the first user equipment, a connection for the peer to peer communication session. The method also includes transmitting, from the first user equipment, information via radio resources allocated to the connection and releasing, by the first user equipment, the connection if there is no traffic over the connection for a specified period of time. | 04-24-2014 |
20140078989 | METHOD AND APPARATUS FOR IMPROVING INTER-eNB CARRIER AGGREGATION IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed for operating a wireless communication system by receiving a request message transmitted from a first network node to a second network node to request Carrier Aggregation to aggregate a cell controlled by the second network node to a User Equipment (UE), the request message including a Radio Network Temporary Identifier (RNTI) of a UE, and transmitting an accept message or a reject message from the second network node to the first network node to indicate whether to accept or reject Carrier Aggregation. | 03-20-2014 |
20140071872 | METHOD AND APPARATUS TO INDICATE PPI (POWER PREFERENCE INDICATION) IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to indicate PPI in a wireless communication network. The method includes enabling a PPI feature. The method further includes taking a last reported PPI into account when the UE wants to indicate a current PPI for a first time on a current serving cell but not a first time since a full configuration was performed. The method further includes ignoring or not taking into account the last reported PPI when the UE wants to indicate the current PPI for a first time since a full configuration was performed. | 03-13-2014 |
20140071871 | METHOD AND APPARATUS FOR SMALL CELL ENHANCEMENT IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed for small cell enhancement in a wireless communication network, wherein a UE (User Equipment) is configured with DRX and is served by a first cell that is configured with a PDCCH (Physical Downlink Control Channel). The method includes the UE receives an RRC (Radio Resource Control) message for configuring a second cell to the UE, wherein the second cell is configured with a PDCCH. The method also includes the UE maintains separate drx-InactivityTimers for the first cell and the second cell. | 03-13-2014 |
20140036868 | METHOD AND APPARATUS FOR PRIORITIZING SMALL CELLS IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed for prioritizing small cells in a wireless communication network. In one embodiment, the method is implemented in a UE. The method includes the UE prioritizing small cells or a frequency of the small cells in a cell selection or cell reselection evaluation process. | 02-06-2014 |
20140036719 | METHOD AND APPARATUS FOR TIME DIVISION DUPLEX UPLINK-DOWNLINK CONFIGURATION CHANGE IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed for changing Time Division Duplex (TDD) Uplink (UL)-Downlink (DL) configuration. According to one embodiment, the method includes receiving by the UE a signaling for TDD UL-DL reconfiguration and changes from an old TDD UL-DL configuration to a new TDD UL-DL configuration. The method further includes considering by the UE before a specific timing that a number of Physical Hybrid ARQ Indicator Channel (PHICH) groups is determined by the old UL-DL configuration at least for overlapped non-UL subframes between the new TDD UL-DL configuration and the old TDD UL-DL configuration. | 02-06-2014 |
20140036708 | METHOD AND APPARATUS FOR OPTIMIZING MEASUREMENT IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed for optimizing measurement in a wireless communication network. In one embodiment, the method is implemented in a UE. The method includes configuring the UE with a threshold of serving cell quality. The method further includes determining, at the UE, whether to apply the threshold of serving cell quality depending | 02-06-2014 |
20130272235 | METHOD AND APPARATUS FOR REDUCING SIGNALING AND DELAY FOR UPLINK SCHEDULING IN A WIRELESS COMMUNICATION NETWORK - A method and apparatus are disclosed for reducing signaling and delay for uplink scheduling in a wireless communication network. The method includes activating a newly configured SCell (Secondary Cell). The method also includes starting a TA (Timing Alignment/Advance) timer associated with the SCell upon detection of a specific DL (Downlink) signaling. The method further includes detecting and processing a PDCCH (Physical Downlink Control Channel) for a PUSCH (Physical Uplink Shared Channel) transmission. In addition, the method includes sending a MAC (Mac Access Control) PDU (Protocol Data Unit) corresponding to the PDCCH scheduling on a PUSCH of the SCell based on an UL transmission timing equal to a specific value. | 10-17-2013 |
20130272234 | METHOD AND APPARATUS FOR INTERPRETING CONTENT OF A DOWNLINK RESOURCE ALLOCATION FIELD IN A USER EQUIPMENT (UE) IN A WIRELESS COMMUNICATION NETWORK - A method and apparatus are disclosed for interpreting content of a downlink resource allocation field in a UE (User Equipment) that is served by a backward compatible carrier. The method includes receiving an RRC message to configure a new carrier to the UE, wherein the new carrier is associated with the backward compatible carrier. The method further includes marking a first time instant when a specific signaling associated with the new carrier is received by the UE. The method also includes determining a second time instant based on the first time instant. In addition, the method includes starting to interpret, at the UE, content of a downlink resource allocation field based on both a downlink bandwidth of the backward compatible carrier and a downlink bandwidth of the new carrier at the second time instant, wherein the downlink resource allocation field is included in a PDCCH (Physical Downlink Control Channel) addressed to the backward compatible carrier. | 10-17-2013 |
20130272139 | METHOD AND APPARATUS FOR LOGGING INSTANCES OF A UE FAILING TO ESTABLISH CONNECTION IN A WIRELESS COMMUNICATION NETWORK - A method and apparatus are disclosed for logging instances of a UE (User Equipment) failing to establish connection in a wireless communication network. The method includes logging, in an error log, a failure of a first RRC (Radio Resource Control) connection establishment procedure caused by a first reason, and not logging a failure of a second RRC connection establishment procedure caused by a second reason. | 10-17-2013 |
20130242901 | METHOD AND APPARATUS FOR DELIVERING AN OPERATING PARAMETER OF A NEW CARRIER IN A WIRELESS COMMUNICATION NETWORK - A method and apparatus are disclosed for delivering an operating parameter of a new carrier associated with a backward compatible carrier. The method includes transmitting, from an eNB (evolved Node B), a frequency spectrum information to indicate whether a frequency spectrum of the new carrier is above or below a frequency spectrum of the backward compatible carrier. | 09-19-2013 |
20130242785 | METHOD AND APPARATUS FOR LOGGING AND REPORTING EVENTS THAT COULD CAUSE ACCESSIBILITY PROBLEMS IN A WIRELESS COMMUNICATION NETWORK - A method and apparatus are disclosed for logging and reporting events that could cause accessibility problems in a wireless communication system. The method includes logging, at m UE, in an event log an occurrence of an event where no cell could he found. The method also includes reporting the event log from the UE. | 09-19-2013 |
20130242751 | METHOD AND APPARATUS FOR HANDLING DCI (DOWNLINK CONTROL INFORMATION) FORMAT SIZE - A method and apparatus are disclosed for handling DCI (Downlink Control Information) format size. The method includes configuring a UE (User Equipment) with one or more carrier segment(s). The method also includes deriving a size of a resource assignment field for a first PDCCH (Physical Downlink Control Channel) from a bandwidth configuration of a backward compatible carrier and a bandwidth of the carrier segment(s). The method further includes deriving a size of a resource assignment field for a second PDCCH from the bandwidth configuration of the backward compatible carrier and not from the bandwidth of the carrier segment(s). In one embodiment, the method also includes deriving a fixed size resource block assignment field in a RAR (Random Access Response) grant based on a UL bandwidth configuration of the backward compatible carrier without taking the bandwidth of carrier segment(s) on the UL into account. | 09-19-2013 |
20130190001 | METHOD AND APPARATUS FOR PROVIDING LOCATION INFORMATION IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed for providing location information in a wireless communication network. The method includes initiating a transmission of the UE's location information to the network when a positioning status of the UE becomes available or when the UE needs to provide the positioning status to the network. | 07-25-2013 |
20130182626 | METHOD AND APPARATUS FOR REDUCING USER EQUIPMENT (UE) POWER CONSUMPTION IN THE RRC (RADIO RESOURCE CONTROL) CONNECTED MODE - A method and apparatus are disclosed for reducing UE power consumption in the RRC connected mode. The method includes the UE entering a dormant state in which the UE does not monitor PDCCH (Physical Downlink Control Channel) scheduling during On_Durations. The method also includes the UE leaving the dormant state upon reception of a paging message with a specific indication, such as downlink data arrival or transmission. | 07-18-2013 |
20130163538 | METHOD AND APPARATUS FOR CQI (CHANNEL QUALITY INDICATOR) REPORTING AFTER THE INTRODUCTION OF A NEW CARRIER IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed for CQI (Channel Quality Indicator) reporting after the introduction of a new carrier in a wireless communication system, wherein the UE is served by a first downlink carrier that is backward compatible and is configured with a first CQI report configuration for the first downlink carrier. The method includes (i) receiving a first radio resource control (RRC) message to configure a new carrier to the UE, wherein the new carrier is associated with the first downlink carrier for operation, (ii) receiving a second RRC message to configure a second CQI report to the UE for the first downlink carrier and the new carrier, and (iii) applying the second CQI report configuration for CQI reporting for the downlink carrier and the new carrier when the new carrier is activated or configured. | 06-27-2013 |
20130142140 | METHOD AND APPARATUS FOR RECONFIGURING SPS (SEMI-PERSISTENT) OPERATION IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are: disclosed for improving SPS operation in a wireless communication system. The method includes configuring an user equipment (UE) with a downlink (DL) assignment or an uplink (UL) grant through a PDCCH (Physical Downlink Control. Channel) addressed by a SPS C-RNTI (Semi-Persistent Scheduling Cell Radio Network Temporary Identity). The method also includes receiving, at the LIE, a reconfiguration message for a SPS (Semi-Persistent Scheduling) operation in a higher layer, such as a RRC (Radio Resource Control) layer. The method further includes reconfiguring, at the UE, the SPS operation based on the reconfiguration message if the reconfiguration message includes a release of the SPS operation. | 06-06-2013 |
20130121309 | METHOD AND APPARATUS FOR IMPROVING LOW-COST MTC (MACHINE-TYPE COMMUNICATION) DEVICES IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed for improving low-cost MTC (Machine-Type Communication) devices in a wireless communication system. The method includes broadcasting, in a system information, a first information used for cell re-selection. The method further includes providing a second information, for a neighboring cell or a frequency, that is used for cell re-selection. | 05-16-2013 |
20130083748 | METHOD AND APPARATUS FOR PROCESSING CSI (CHANNEL STATE INFORMATION) IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed for processing CSI (Channel State. Information) in a wireless communication system, The method includes configuring a User Equipment (UE), in a subframe, to transmit periodic CSI reporting and HARQ-ACK (Hybrid Automatic Repeat and request-Acknowledgement), wherein there is no PUSCH (Physical Uplink Shared Channel) transmission in the subframe. The method further includes indicating in the PDCCH (Physical Downlink Control Channel) scheduling the PDSCH (Physical Downlink Shared Channel) transmission to which the HARQ-ACK corresponds, wherein whether the periodic CSI reporting and the HARQ-ACK are multiplexed on PUCCH (Physical Uplink Control Channel) or not would depend on the indication in the PDCCH. | 04-04-2013 |
20130083708 | METHOD AND APPARATUS FOR IMPROVEMENT OF TDD INTER-BAND CARRIER AGGREGATION IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for TDD inter-band carrier aggregation in a wireless communication system includes performing aggregating multiple cells with different TDD UL-DL configurations, transmitting a PUSCH transmission on a first cell, the subframe for HARQ feedback reception for the PUSCH in a first cell colliding with a UL subframe in a second cell, and performing one of setting the corresponding HARQ feedback to ACK, flushing the corresponding HARQ buffer, and changing the corresponding HARQ feedback subframe for the PUSCH to another subframe. | 04-04-2013 |
20130083706 | METHOD AND APPARATUS FOR IMPROVING TDD (TIME DIVISION DUPLEX) INTERBAND CARRIER AGGREGATION (CA) IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to perform TDD interband carrier aggregation in a wireless communication system. The method includes aggregating cells with different TDD UL-DL (Uplink-Downlink) configurations, wherein the cells have different DL-to-UL (Downlink-to-Uplink) switch point periodicities. The method further includes determining conflict subframes according to dynamic scheduling. | 04-04-2013 |
20130058309 | METHOD AND APPARATUS FOR PERFORMING TIMING ADVANCE (TA) GROUP CHANGE IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to perform timing advance (TA) group change in a wireless communication system. The method includes configuring a Scell (Secondary Serving Cell) to a User Equipment (UE), wherein the Scell belongs to a first TA group. The method further includes sending a TA group change command from an eNB (evolved Node B) to the UE to change the Scell front the first TA group to a second TA group, wherein the eNB provides information together with the TA group change command so that the UE could derive an initial TA for the second TA group based on the information. | 03-07-2013 |
20120320791 | METHOD AND APPARATUS TO PROVIDE ASSISTANCE INFORMATION FOR RECONFIGURATION IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to provide assistance information for reconfiguration in a wireless communication system. In one embodiment, the method comprises providing, from a UE (user equipment), information to an eNB (evolved Node B) to indicate whether there is buffered data or no buffered data for a radio bearer, a logical channel, or a service. | 12-20-2012 |
20120307632 | METHOD AND APPARATUS TO PREVENT RAN (RADIO ACCESS NETWORK) OVERLOAD FOR LEGACY NETWORKS IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to prevent RAN (Radio Access Network) overload for legacy networks in a wireless communication system. In one embodiment, the method comprise initiating a RRC (Radio Resource Control) connection establishment procedure to access a cell. The method further comprises performing an access barring check. The method also comprises extending a barring time autonomously. | 12-06-2012 |
20120281647 | METHOD AND APPARATUS TO IMPROVE MACHINE TYPE COMMUNICATION IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to improve machine type communication in a wireless communication system. In one embodiment, the method comprises receiving, at a UE (User Equipment), a TB (transport block) broadcasted from an eNB (evolved Node B). The method further comprises reporting a HARQ (Hybrid Automatic Repeat reQuest) feedback of NACK (Negative Acknowledgement) if the UE does not decode the TB successfully, and not reporting a HARQ feedback of ACK (Acknowledgement) if the UE decodes the TB successfully, | 11-08-2012 |
20120281601 | METHOD AND APPARATUS TO IMPROVE INTER-BAND CARRIER AGGREGATION (CA) IN TDD (TIME DIVISION DUPLEX) MODE - A method and apparatus are disclosed to improve inter-band carrier aggregation (CA) in a UE (User Equipment) in TDD (Time Division Duplex) mode. In one embodiment, the method includes connecting the UE with a PCell (Primary Serving Cell). The method further includes configuring the UE with at least one SCell (Secondary Serving Cell), among which at least one SCell is deactivated, wherein TDD UL-DL (Uplink-Downlink) configurations of the PCell and the at least one SCell may be different. The method also includes taking a TDD UL-DL configuration of an activated serving cell into consideration for defining consecutive PDCCH (Physical Downlink Control Channel) subframes of a drx-InactivityTimer, and not taking a TDD UL-DL configuration of a deactivated serving cell into consideration. | 11-08-2012 |
20120281600 | METHOD AND APPARATUS TO IMPROVE DISCONTINUOUS RECEPTION (DRX) OPERATION FOR TDD (TIME DIVISION DUPLEX) AND FDD (FREQUENCY DIVISION DUPLEX) MODE IN CARRIER AGGREGATION (CA) - A method and apparatus are disclosed for performing DRX (Discontinuous) operation. In one embodiment, the method comprises (i) configuring a plurality of cells for carrier aggregation, (ii) configuring the plurality of cells with a plurality of TDD (Time Division Multiplex) UL-DL (Uplink-Downlink) configurations, (iii) configuring the plurality of cells for DRX operation, (iv) configuring a set of DRX timers for the plurality of cells, and (v) running the set of DRX timers for the plurality of cells. | 11-08-2012 |
20120263039 | METHOD AND APPARATUS TO PREVENT RADIO ACCESS NETWORK (RAN) OVERLOAD IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to prevent RAN (Radio Access Network) overload. In one embodiment, the method comprises initiating, at a User Equipment (UE), a RRC (Radio Resource Control) connection establishment procedure to establish a RRC connection to a cell. The method also comprises initiating, at the User Equipment (UE), a Random Access procedure due to a transmission of a RRCConnectionRequest message for the RRC connection establishment procedure, wherein an establishment cause in the RRCConnectionRequest message is set to delay tolerant access, and the UE stops the Random Access procedure if the UE considers access to the cell as barred based on barring information for delay tolerant access of the cell. | 10-18-2012 |
20120252449 | METHOD AND APPARATUS TO IMPROVE HIGH-SPEED MOBILITY IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to improve high-speed mobility. In one embodiment, the method comprises connecting a device to a cell. The method also comprises maintaining, at the device, information related to a location of the device. The method further comprises triggering, by an event trigger related to a velocity of the device, a transmission of a report that includes the information related to the location of the device. | 10-04-2012 |
20120250662 | METHOD AND APPARATUS TO AVOID HIGHER RANDOM ACCESS (RA) FAILURE RATE DUE TO A SOLUTION FOR IN-DEVICE COEXISTENCE INTERFERENCE IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to avoid higher random access (RA) failure rate. In one embodiment, the method comprises (i) equipping a UE on a serving cell with a first radio based on LIE or LIE-advanced radio technology and a second radio based on another radio technology, (ii) activating a TDM solution in the UE for the serving cell for avoiding in-device coexistence interference between the radio technologies, wherein the TDM solution defines one or more scheduling periods and unscheduled periods, (iii) initiating a RA procedure on the serving cell, (iv) transmitting a RA preamble for the initiated RA procedure from the serving cell, (v) receiving a corresponding RA response on the serving cell, and (vi) transmitting an Msg3, and starting a mac-ComentionResolutionTimer, wherein the UE may suspend the mac-ContentionResolutionTimer during an unscheduled period and resume the mac-ContentionResolutionTimer when entering a next scheduling period. | 10-04-2012 |
20120250639 | APERIODIC SOUNDING REFERENCE SYMBOL CONFIGURATION IN A WIRELESS COMMUNICATION SYSTEM - A method for configuring aperiodic sounding reference symbols is disclosed. The method avoids transmission of unused configuration parameters. In particular, parameters for use with DCI format 4 are not configured for user equipment that does not support the format. Accordingly, the method may include: configuring UL transmission mode equal to 1; configuring aperiodic SRS for DCI format 0/1a; and not configuring aperiodic SRS parameter sets for DCI format 4. The method may also include: configuring UL transmission mode equal to 2; configuring aperiodic SRS for DCI format 0/1a; and not configuring aperiodic SRS parameter sets for DCI format 4. | 10-04-2012 |
20120250602 | METHOD AND APPARATUS TO IMPROVE HIGH-SPEED MOBILITY IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to improve high-speed mobility. In one embodiment, the method comprises broadcasting, from a cell, an indication that the cell supports a relay node to access, select or re-select. The method also comprises allowing the relay node to access the cell if there is the indication that the cell supports the relay node, and not allowing the relay node to access the cell if there is no indication that the cell supports the relay node. | 10-04-2012 |
20120243505 | METHOD AND APPARATUS TO IMPROVE APERIODIC SRS (SOUNDING REFERENCE SYMBOL) IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed for aperiodic SRS improvement. In one embodiment, the method comprises configuring a UE (User Equipment) with aperiodic SRS. The method also comprises transmitting a PUSCH (Physical Uplink Shared Channel) on a last SC-FDMA (Single Carrier-Frequency Division Multiple Access) symbol in a UE-specific aperiodic SRS subframe if a Msg3 in the subframe is transmitted on the PUSCH. Furthermore, the method comprises not transmitting a PUSCH on a last SC-FDMA symbol in a UE-specific aperiodic SRS subframe if a Msg3 in the subframe is not transmitted on the PUSCH. | 09-27-2012 |
20120243418 | METHOD AND APPARATUS TO IMPROVE LOG REPORTING IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to improve log reporting in a wireless communication system. In one embodiment, the method comprises a UE (User Equipment) being configured to perform measurement to obtain measurement information for logged MDT (Minimization of Drive-Tests) reporting. Furthermore, the method also comprises logging the obtained measurement information. The method also comprises sending a logged MDT report wherein the report omits some of the logged measurement information. | 09-27-2012 |
20120236805 | METHOD AND APPARATUS FOR PROVIDING INFORMATION TO DETERMINE A CAUSE OF LOW QUALITY OF SERVICE IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for providing information to determine a cause of low Quality of Service (QoS) includes Scheduling Request (SR) transmission status reporting or reporting uplink power for SR transmission. The SR transmission status reporting includes a User Equipment (UE) being configured with Physical Uplink Control Channel (PUCCH) resource for SR transmission, and the UE reporting SR transmission status information to a connecting eNB. The reporting of uplink power for SR transmission includes a UE being configured with a PUCCH resource for SR transmission; and the UE reporting uplink power information for SR transmission to a connecting eNB. | 09-20-2012 |
20120231836 | METHOD AND APPARATUS TO AVOID IN-DEVICE COEXISTENCE INTERFERENCE IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed for in-device coexistence interference detection. In one embodiment, the method comprises equipping a UE (user equipment) with a first radio based on LTE radio technology or LTE-advanced radio technology and a second radio based on another radio technology. The method also comprises activating the first radio and the second radio in the UE. Furthermore, the method comprises determining a presence of in-device coexistence interference from the second radio based on a transport block error rate (TBER) in the LTE radio technology or LTE-advanced radio technology. | 09-13-2012 |
20120195298 | METHOD AND APPARATUS TO AVOID IN-DEVICE COEXISTENCE INTERFERENCE IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to avoid in-device coexistence interference in a user equipment (UE) that is equipped with a first radio based on LTE radio technology or LTE-Advance radio technology, and a second radio based on an alternate radio technology. In one embodiment, the method comprises including an assistant information in a UE Capability Information message sent to an evolved node B (eNB) for in-device coexistence interference avoidance. | 08-02-2012 |
20120195291 | METHOD AND APPARATUS FOR ADVOIDING IN-DEVICE COEXISTENCE INTERFERENCE IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for coexistence interference avoidance in a user equipment (UE) having a first radio with an LTE/LTE-Advanced radio technology and a second radio based on another radio technology includes initiating a time division multiplexing (TDM) solution in the UE on a serving cell between the first and second radios, the TDM solution defining scheduling periods and unscheduled periods. In one embodiment the UE increments the PREAMBLE_TRANSMISSION_COUNTER by 1 for each random access preamble transmission reattempt during the random access procedure, and the UE considers an unscheduled period of the TDM solution when determining the next available Physical Random Access Channel (PRACH) subframe for preamble transmission. | 08-02-2012 |
20120195248 | METHOD AND APPARATUS TO AVOID IN-DEVICE COEXISTENCE INTERFERENCE IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus are disclosed to avoid in-device coexistence interference in a wireless communication system. In one embodiment, the method includes receiving at a user equipment (UE) a MBMS service via a Point-To-Multipoint (PTM) transmission, and initiating a Time Division Multiplexing (TDM) solution in the UE for coexistence interference avoidance, wherein the TDM solution defines one or more scheduling periods and one or more unscheduled periods, and the UE stops receiving the MBMS service via the PTM transmission when the TDM solution is initiated in the UE. | 08-02-2012 |
20120106510 | METHOD AND APPARATUS FOR SECONDARY CELL RELEASE DURING HANDOVER IN A WIRELESS COMMUNICATION SYSTEM - Methods and an apparatus for Secondary Cell (SCell) release during User Equipment (UE) handover comprises including information by a source eNB in a HandoverPreparationInformation message for a target eNB to control SCell release in the UE during handover, or including an indicator by a target eNB in a handover command for the UE to distinguish whether or not to release all configured SCells. | 05-03-2012 |
20120106430 | METHOD AND APPARATUS FOR ENHANCING RECEIVING EFFICIENCY OF AN MULTIMEDIA BROADCAST MULTICAST SERVICE IN A WIRELESS COMMUNICATIONS SYSTEM - A method for enhancing receiving efficiency of a multimedia broadcast multicast service, know as MBMS, in a wireless communications system includes setting an indicator for indicating whether an MBMS service is transmitted on an MBSFN, an abbreviation of MBMS over a Single Frequency Network, carrier or not, and sending the indicator to a user equipment of the wireless communications system. | 05-03-2012 |