Patent application number | Description | Published |
20100025224 | APPARATUS AND PROCESS FOR METAL OXIDES AND METAL NANOPARTICLES SYNTHESIS - The present invention provides an approach to control the generation and grow of nanocrystal with membrane diffusion method and related apparatuses to produce inorganic oxide nanopowders and metal nanoparticles. With this method, the size and size distribution of inorganic oxide nanopowders and metal nanoparticles can be tuned. It overcomes the shortcomings possessed by the common chemical and physical method of preparing nanoparticles. | 02-04-2010 |
20100067410 | METHOD FOR TRANSMITTING UPLINK SOUNDING REFERENCE SIGNAL FOR LTE SYSTEM - A method for transmitting an uplink sounding reference signal includes indexing Single Carrier Frequency Division Multiple Access (SC-FDMA) symbols within a single radio frame for transmitting a Sounding Reference Signal (SRS) as a number k, and calculating a value of n | 03-18-2010 |
20100266061 | METHOD AND DEVICE FOR PRE-CODING IN MULTIPLE INPUT MULTIPLE OUTPUT SYSTEM - A signal processing method in an MIMO multi-carrier system is disclosed comprising: receiving by a receiver signals of a plurality of sub-carriers transmitted from a transmitter; dividing the sub-carriers into a plurality of sub-carrier blocks according to the correlation between adjacent sub-carriers, each sub-carrier block containing K sub-carriers; selecting a feedback sub-carrier pre-coding matrix ( ) and a rotation matrix ( ) for each sub-carrier block, and then sending the information on the pre-coding matrix and the rotation matrix back to the transmitting end. The present invention provides the method and device for effectively settling the feedback problem in an MIMO/OFDMA system, thereby greatly reducing the number of pre-coding weight matrices needed to feed back to the transmitting device. | 10-21-2010 |
20100290372 | METHOD FOR MULTIPLE TDD SYSTEMS COEXISTENCE - The method for multiple TDD systems coexistence comprising steps of: a newly deployed system calculating a relative time offset Δt for a corresponding frame; the newly deployed system transmitting uplink and downlink signals based on a time reference information obtained by a summation of the relative time offset Δt and a time reference of an existing system. With the method proposed in present invention, uplink and downlink interference from adjacent frequency bands and from adjacent carriers in the same frequency band can be greatly reduced and a transmission time utility can be guaranteed for a newly deployed system. | 11-18-2010 |
20110235682 | Method and apparatus for determining reference signals in mobile communication system - Embodiments of the present invention provide a method and an apparatus for determining reference signals. A User Equipment (UE) obtains group hopping information and/or sequence hopping information of a UE-specific reference signal from cell-specific system information broadcasted by an eNB. The UE receives UE-specific control information transmitted by the eNB to the UE. The UE generates a UE-specific reference signal of a first slot according to the group hopping information and/or sequence hopping information of the broadcasted cell-specific reference signal. If the UE-specific control information indicates that group hopping and/or sequence hopping of UE-specific reference signals is disabled, the UE generates a UE-specific reference signal of a second slot in a same frame with the first slot according to the UE-specific reference signal of the first slot. The UE is able to determine the reference signals when multiple UEs share physical resource blocks. | 09-29-2011 |
20110286904 | APPARATUS AND PROCESS FOR METAL OXIDES AND METAL NANOPARTICLES SYNTHESIS - The present invention provides an approach to control the generation and grow of nanocrystal with membrane diffusion method and related apparatuses to produce inorganic oxide nanopowders and metal nanoparticles. With this method, the size and size distribution of inorganic oxide nanopowders and metal nanoparticles can be tuned. It overcomes the shortcomings possessed by the common chemical and physical method of preparing nanoparticles. | 11-24-2011 |
20120063371 | METHOD FOR TRANSMITTING UPLINK SOUNDING REFERENCE SIGNAL FOR LTE SYSTEM - Disclosed are a method and apparatus for transmitting an uplink Sounding Reference Signal (SRS), the method including identifying a number of downlink and uplink switch points within a radio frame N | 03-15-2012 |
20120230273 | METHOD FOR INDICATING HYBRID AUTOMATIC REPEAT REQUEST TIMING RELATION - A method for indicating HARQ timing relation is provided by the present disclosure. First, an evolved NodeB (eNB) notifies a user equipment (UE) to enable an uplink/downlink subframe dynamic conversion function. Second, the eNB converts uplink and downlink subframes dynamically, and notifies the UE of the HARQ timing relation corresponding to the converted uplink/downlink subframe configuration. Finally, the eNB and UE communicate with each other according to the said HARQ timing relation. The dynamic flexible subframe is highly efficiently used in the present disclosure, and the object of changing the frame structure dynamically according to data service change more accurately and timely can be reached. | 09-13-2012 |
20130016707 | APPARATUS AND METHOD FOR TRANSMITTING UPLINK SCHEDULING REQUEST IN MOBILE COMMUNICATION SYSTEMAANM He; HongAACI BeijingAACO CNAAGP He; Hong Beijing CNAANM Li; YingyangAACI BeijingAACO CNAAGP Li; Yingyang Beijing CNAANM Sun; ChengjunAACI BeijingAACO CNAAGP Sun; Chengjun Beijing CN - A method and apparatus for transmitting an uplink Scheduling Request (SR) are provided. The method includes, obtaining a SR subframe configuration by receiving signaling, and transmitting SR information to a Base Station (BS) by using physical resources of another non-SR channel for transmitting other uplink control information. By applying the present invention, the SR, ACKnowledgement/Non-ACKnowledgement (ACK/NACK) or Channel Quality Indicator (CQI) information is returned to a BS when low Constant Modulus (CM) characteristic of an uplink Component Carrier (CC) is ensured. | 01-17-2013 |
20130021921 | METHOD AND APPARATUS FOR TRANSMITTING UPLINK CONTROL INFORMATION - A method for transmitting uplink control information includes: determining, by a User Equipment (UE), configuration information of its Component Carrier (CC); receiving, by UE, a downlink data packet of each CC, and generating acknowledgement/negative acknowledgement ACK/NACK information of the CC to be fed back for each CC independently; and determining indicator information for indicating the ACK/NACK information of the UE that is to be fed back to an evolved Node-B eNB and a channel resource for sending the indicator information according to the configuration information of its CC and whether it is required to send a Scheduling Requirement (SR) information, and sending an indicator message using the determined channel resource. | 01-24-2013 |
20130114572 | UPLINK SYNCHRONIZATION WITH MULTIPLE TIMING ADVANCES IN A WIRELESS COMMUNICATION ENVIRONMENT - Technology for synchronization of uplink transmission with multiple timing advances in a wireless communication environment is disclosed. Additional resource allocation messages for additional timing advances are addressed to a user equipment specific search space. A number of band decodes needed to find a resource allocation message used to access an additional timing advance can be reduced by padding the resource allocation message. A number of blind decodes used to find the resource allocation message can also be reduced by restricting the control channel candidates in which the resource avocation can be embedded in terms of the control channel element aggregation level, or levels, associated with acceptable control channel candidates. | 05-09-2013 |
20130142113 | PATH-LOSS ESTIMATION FOR UPLINK POWER CONTROL IN A CARRIER AGREGATION ENVIRONMENT - Technology for uplink power control in a wireless network is disclosed. Receiving a component carrier list at a User Equipment (UE) is disclosed where the component carriers grouped in the list have one or more common characteristics relative to the power necessary for uplink transmission on those component carriers. A path-loss estimation performed on the downlink of a component carrier in the component carrier list can, therefore, be used to control uplink transmission for other component carriers in the list. Additionally, a UE can receive a path-loss difference parameter providing an offset for one or more factors related to the power necessary for uplink transmission between a component carrier with certain characteristics relative to those factors and a component carrier with different characteristics relative to those same factors. | 06-06-2013 |
20130163551 | SEARCH SPACE DETERMINATION - Embodiments of the present disclosure describe apparatuses, systems, methods, and articles of manufacture for identifying search space candidates that may be used in the transmission of downlink control information. Other embodiments may be described and claimed. | 06-27-2013 |
20130170443 | SIMULTANEOUS TRANSMISSION OF DIFFERENT TYPES OF FEEDBACK INFORMATION IN A WIRELESS ENVIRONMENT - Technology for concurrent transmission of various types of feedback information is disclosed. Different types of feedback information are processed according to a predetermined regime that can allow the various types of feedback information to be separated after combination and transmission to the receiving end of a communication link. Some predetermined regimes may include use of orthogonal carrier codes/sequences, mapping to I and Q branches in a dual branch architecture, and concatenation according to a predefined scheme. Consideration is also made for reducing transmission power levels while insuring transmission of important types of feedback information with respect to the various types of feedback information. | 07-04-2013 |
20130188500 | AUTOMATIC UPLINK-DOWNLINK RATIO RECONFIGURATION SETTING IN WIRELESS COMMUNICATION SYSTEM - At least one neighbor cell is identified by a base station by detecting a synchronization signal of the at least one neighbor cell. A received signal power, such as a Reference Signal Received Power (RSRP) or a Reference Signal Received Quality (RSRQ), or a combination thereof, is also measured from the at least one neighbor cell. Identifying information and the received signal power of the at least one neighbor cell is then communicated to a network entity of the wireless network. Information is received from the network entity indicating whether the base station can enable a reconfiguration of the allocation of uplink and downlink subframes used in the cell of the base station. Based on the information received from the network entity, the base station enables a reconfiguration of the allocation of uplink and downlink subframes used in the cell. | 07-25-2013 |
20130188516 | DYNAMIC UPLINK AND DOWNLINK CONFIGURATION USING FLEXIBLE SUBFRAMES - An apparatus and method for dynamically changing an uplink and downlink ratio configuration is disclosed herein. An evolved Node B (eNodeB) operating in a wireless communications network transmits a System Information Block Type 1 (SIB1) including first uplink and downlink ratio configuration information. The eNodeB also transmits in at least one downlink sub frame of a radio frame configured in the first uplink and downlink ratio configuration second uplink and downlink ratio configuration information. The second uplink and downlink ratio configuration information is included in a downlink control information (DCI) message. The DCI message is included in the at least one downlink subframe of the radio frame. | 07-25-2013 |
20130188533 | Dynamic Direction Changing in Time Division Duplex Radios - In accordance with some embodiments, in a time division duplex system, the transmission direction may be changed dynamically, for example in response to instantaneous traffic conditions. Particularly in some embodiments an eNodeB or base station may, in response to instantaneous traffic conditions, change the direction of transmission in certain subframes. In some embodiments this can be done in a way which is backwards compatible with prior generations of Long-Term Evolution (LTE) radio systems. | 07-25-2013 |
20130188569 | ACKNOWLEDGEMENT SIGNALING IN A WIRELESS COMMUNICATIONS NETWORK - An apparatus and method to facilitate provision of acknowledgement signals in a wireless communications network are disclosed herein. An evolved node B (eNodeB) transmits radio resource control (RRC) signals indicating inclusion of an enhanced physical hybrid automatic repeat request (ARQ) indicator channel (e-PHICH) in a radio frame. The eNodeB configures the radio frame including the e-PHICH. At least one subframe of the radio frame includes a first resource block (RB) associated with a first UE, a second RB associated with a second UE, and a third RB. The first RB includes a physical downlink control channel (PDCCH) control region in a Slot | 07-25-2013 |
20130194982 | INTERFERENCE MANAGEMENT FOR DYNAMIC UPLINK AND DOWNLINK CONFIGURATION - An apparatus and method for managing interference to facilitate allocation of a dynamic uplink and downlink configuration are disclosed herein. Determining whether a first cell causes interference less than a pre-determined threshold level to one or more neighboring cells or whether flexible subframes of radio frames associated with the one or more neighboring cells operate as downlink subframes. In response to the determining condition being met, allocating a first flexible subframe of a first radio frame associated with the first cell to operate as a downlink subframe at normal transmit power level. In response to the determining condition not being met, allocating the first flexible subframe of the first radio frame associated with the first cell as one of a downlink subframe operating in a reduced transmit power level or as an uplink subframe. | 08-01-2013 |
20130195070 | TIME AND FREQUENCY SYNCHRONIZATION FOR LTE-ADVANCED NEW CARRIER TYPE - A particular kind of component carrier that may be used as a secondary cell in an LTE system is a new type carrier that has reduced or eliminated legacy control signaling such as the omission of CRSs. Alternative techniques are described for performing timing and frequency synchronization in the downlink between an eNB and a UE when CRSs are not present in a component carrier. These techniques involve using either channel state information reference signals or UE-specific reference signals. | 08-01-2013 |
20130202513 | Ce-BASED COMPOSITE OXIDE CATALYST, PREPARATION METHOD AND APPLICATION THEREOF - Disclosed is a Ce-based composite oxide catalyst for selective catalytic reducing nitrogen oxides with ammonia, which comprises Ce oxide and at least one oxide of transition metal except Ce. The Ce-based composite oxide catalyst is prepared by a simple method which uses non-toxic and harmless raw materials, and it has the following advantages: high catalytic activity, and excellent selectivity for generating nitrogen etc. The catalyst can be applied in catalytic cleaning plant for nitrogen oxides from mobile and stationary sources. | 08-08-2013 |
20130242816 | HARQ/ACK CODEBOOK SIZE DETERMINATION - Embodiments of the present disclosure describe devices, methods, computer-readable media and systems configurations for determining a hybrid automatic repeat request (HARQ)-acknowledgment (ACK) codebook in wireless communication networks. | 09-19-2013 |
20130242817 | UPLINK CONTROL CHANNEL RESOURCE MAPPING FOR AN ENHANCED PDCCH IN LTE SYSTEMS - An enhanced physical down link control channel (ePDCCH) for Long Term Evolution (LTE) systems is described that is constructed using enhanced control channel elements (eCCEs). Techniques are also described by which user equipment (UE) may be implicitly allocated uplink resources for transmitting acknowledgements to data received via downlink resources allocated by an ePDCCH. | 09-19-2013 |
20130242818 | Techniques for Timers Associated with Powering Receiver Circuitry at a Wireless Device - Examples are disclosed for timers associated with powering receiver circuitry at a wireless device or user equipment. The examples include separately defining one or more timers based on different time division duplex (TDD) configurations. The different TDD configurations may be used for communications between user equipment and serving cells supported by one or more base stations such as evolved node Bs (eNBs) in a Long Term Evolution (LTE) wireless network. The defined timers may be used by the user equipment to selectively power receiver circuitry. Other examples are described and claimed. | 09-19-2013 |
20130242819 | SCHEDULING TIMING DESIGN FOR A TDD SYSTEM - Disclosed is a method of transmitting, from an enhanced Node B (eNB), an indication of an uplink/downlink (UL-DL) subframe configuration of a scheduling cell and a scheduled cell in a wireless time-division duplex (TDD) system. Embodiments include identifying the type of the UL-DL subframe configuration of the scheduling cell and determining a UL-DL subframe configuration to use for UL resource allocation of the scheduled cell. Other embodiments include identifying a reference UL-DL subframe configuration to use for UL resource allocation of the scheduled cell. | 09-19-2013 |
20130242890 | PHYSICAL UPLINK CONTROL CHANNEL (PUCCH) RESOURCE MAPPING USING AN ENHANCED PHYSICAL DOWNLINK CONTROL CHANNEL (ePDCCH) - Technology for physical uplink control channel (PUCCH) resource mapping corresponding to an enhanced physical downlink control channel (ePDCCH) is disclosed. One method can include a node mapping a PUCCH resource n | 09-19-2013 |
20130265945 | FRAME STRUCTURE DESIGN FOR NEW CARRIER TYPE (NCT) - A system and method utilizes a selected PRB configuration for a new carrier type for a 3GPP-type wireless network. A downlink signal is received that comprises a demodulation reference signal pattern in at least one predetermined subframe of the downlink signal. The subframe comprises a first predetermined number of the plurality of orthogonal frequency division multiplex (OFDM) symbols comprising synchronization signals for a legacy version of the downlink signal and the demodulation reference signal pattern comprising a second predetermined number of OFDM symbols that are different from the first predetermined number of the plurality of OFDM symbols. After receiving the downlink signal, the demodulation reference signal pattern in the downlink signal is demodulated. | 10-10-2013 |
20130272170 | ADAPTIVE UL-DL TDD CONFIGURATIONS IN A HETEROGNEOUS NETWORK - Technology for adapting uplink-downlink (UL-DL) time-division duplexing (TDD) subframe configurations in a heterogeneous network (HetNet) is disclosed. One method can include a reference enhanced Node B (eNB) determining a preferred adaptive UL-DL configuration. The eNB can receive node configuration information for at least one neighboring node. The eNB can reconfigure an adaptive UL-DL configuration for at least one of the reference eNB and the at least one neighboring node based on the node configuration information and sounding reference signal (SRS) subframe scheduling of the reference eNB and the at least one neighboring eNB. | 10-17-2013 |
20130279462 | DOWNLINK RESOURCE SCHEDULING - Embodiments of the present disclosure describe devices, methods, computer-readable media and systems configurations for downlink resource scheduling in wireless networks. In some embodiments, the scheduling may include multi-subframe cross carrier scheduling utilizing downlink control information. Other embodiments may be described and/or claimed. | 10-24-2013 |
20130288672 | APPARATUS AND METHOD FOR CELL INFORMATION INDICATION IN A WIRELESS NETWORK - Generally, this disclosure provides apparatus and methods for improved indication of cell information in a wireless network. The cell information may include an evolved Node B (eNB) carrier type. The UE device may include a receiver circuit configured to receive a Radio Resource Control (RRC) message from an evolved Node B (eNB) of a serving cell, the RRC message comprising carrier information associated with the serving cell eNB; a processing circuit configured to extract, from the serving cell eNB carrier information: a carrier type, synchronization information and Radio Resource Management (RRM) measurement information; a synchronization circuit configured to synchronize the UE to the serving cell eNB based on the synchronization information associated with the serving cell eNB carrier information; and a signal measurement circuit configured to perform RRM signal measurements on the serving cell eNB based on the RRM measurement information associated with the serving cell eNB carrier information. | 10-31-2013 |
20130301420 | RADIO COEXISTENCE IN WIRELESS NETWORKS - Technology for reducing coexistence interference in a multi-radio device is disclosed. One method comprises applying discontinuous reception (DRX) to a user equipment (UE) having a plurality of radio transceivers. The DRX can include a long DRX cycle for the UE. One of a 2 milliseconds (ms), 5 ms, and 8 ms cycle start offset period may be provided for the long DRX cycle to reduce coexistence interference between the plurality of radio transceivers in the UE. The cycle start offset period is selected to provide at least one Hybrid Automatic Repeat Request (HARQ) process reservation pattern to reduce the coexistence interference between the plurality of radio transceivers in the UE. | 11-14-2013 |
20130301490 | SCHEDULING AND HYBRID AUTOMATIC REPEAT REQUEST (HARQ) TIMING INDICATION FOR AN UPLINK-DOWNLINK (UL-DL) RECONFIGURATION - Technology for reconfiguring an uplink-downlink (UL-DL) time-division duplexing (TDD) configuration timing is disclosed. In an example, a user equipment (UE) for reconfiguring an uplink-downlink (UL-DL) time-division duplexing (TDD) configuration timing can have computer circuitry configured to: Decode a physical downlink control channel (PDCCH) for downlink control information (DCI) including a timing indication field (TIF); and reconfigure a channel timing for a semi-static UL-DL TDD configuration using the TIF. The channel timing can include a physical downlink shared channel (PDSCH) hybrid automatic repeat request (HARQ) timing, a physical uplink shared channel (PUSCH) scheduling timing, or a PUSCH HARQ timing. | 11-14-2013 |
20130301491 | SCHEDULING SYNCHRONIZATION SIGNALS IN A NEW CARRIER TYPE - Technology is discussed for supporting the incorporation of a Primary Synchronization Signal (PSS) and/or a Secondary Synchronization Signal (SSS) within in a New Carrier Type (NCT) for a Component Carrier (CC). Guidelines for incorporating the PSS and/or the SSS in the NCT are discovered, together with potential collisions with other signals that can be avoided for various scenarios. In some examples, various guidelines and potential collisions discovered herein, for various scenarios, inform approaches to incorporating the PSS and/or the SSS based on the positioning of the PSS and/or the SSS. In other examples, other signals, such as DeModulation Reference Symbols (DMRS) are reconfigured to allow incorporation of the PSS and the SSS. | 11-14-2013 |
20130301549 | DOWNLINK CONTROL INDICATION FOR A STAND-ALONE NEW CARRIER TYPE (NCT) - Technology for determining a common search space (CSS) from a physical resource block (PRB) indication for a stand-alone carrier type is disclosed. In an example, a user equipment (UE) configured for determining a common search space (CSS) from a physical resource block (PRB) indication for a stand-alone carrier type can include a processing module to: Determine a PRB set in the CSS from an enhanced physical hybrid automatic repeat request (ARQ) indicator channel (ePHICH) configuration information in a master information block (MIB); and decode an enhanced physical downlink control channel (ePDCCH) or the ePHICH from PRB region candidates in the PRB set. | 11-14-2013 |
20130322357 | HYBRID AUTOMATIC REPEAT REQUEST (HARQ) MAPPING FOR CARRIER AGGREGATION (CA) - Technology to support Hybrid Automatic Retransmission re-Quest (HARQ) for Carrier Aggregation (CA) is disclosed. For example, a device, at a processor residing on a User Equipment (UE), includes a sizing module and a window module. The sizing module can be configured to determine a first size of a first bundling window for a first Component Carrier (CC) and a second size of a second bundling window for a second CC. The window module can be configured to: generate a first virtual window comprising a selected number of DownLink (DL) sub-frames in the first bundling window that are added to DL sub-frames in the second bundling window; and generate a second virtual window comprising remaining DL sub-frames from the first bundling window that are not added to the first virtual window. The selected number of DL sub-frames can be proportional to a difference between the first size and the second size. | 12-05-2013 |
20130322358 | HYBRID AUTOMATIC REPEAT REQUEST (HARQ) MAPPING FOR CARRIER AGGREGATION (CA) - Technology to support mapping for Hybrid Automatic Retransmission re-Quest (HARQ) for Carrier Aggregation (CA) is disclosed. One method can include a user equipment (UE) identifying, within a radio frame, a type 2 DownLink (DL) sub-frame within a virtual bundling window associated with a Secondary Component Carrier (SCC). The type 2 DL sub-frame can be virtually moved from a Primary Component Carrier (PCC) for HARQ-ACKnowledge (HARQ-ACK) multiplexing of the virtual bundling window. The UE can extract a Component Carrier Element (CCE) number for a first CCE used by a Physical Downlink Control CHannel (PDCCH) transmission corresponding to the type 2 DL sub-frame. The UE can determine a Physical Uplink Control CHannel (PUCCH) resource for carrying a HARQ-ACK multiplexing message based on the CCE number when a PCC window size of the PCC is greater than an SCC window size of the SCC. | 12-05-2013 |
20140003262 | SOUNDING REFERENCE SIGNAL (SRS) MECHANISM FOR INTRACELL DEVICE-TO-DEVICE (D2D) COMMUNICATION | 01-02-2014 |
20140003302 | HARQ-ACK HANDLING FOR UNINTENDED DOWNLINK SUB-FRAMES | 01-02-2014 |
20140003452 | MULTIPLEXING OF CHANNEL STATE INFORMATION AND HYBRID AUTOMATIC REPEAT REQUEST - ACKNOWLEDGEMENT INFORMATION | 01-02-2014 |
20140010128 | SELECTION OF ACKNOWLEDGMENT TIMING IN WIRELESS COMMUNICATIONS - Disclosed is a method including communicating, by a mobile device, with a base station via first and second component carriers having different frequency bands and time division duplexing (TDD) configurations. The method may include receiving one or more downlink transmissions via the second component carrier. The method may include selecting a hybrid automatic repeat request (HARQ) timing sequence based on the TDD configurations of the first and second component carriers. The method may include transmitting one or more positive acknowledgment and/or negative acknowledgement (ACK/NACK) signals, associated with the one or more downlink transmissions, according to the selected HARQ timing sequence. Other embodiments may be described and claimed. | 01-09-2014 |
20140029532 | UPLINK POWER CONTROL FOR PHYSICAL UPLINK CONTROL CHANNEL - Embodiments of the present disclosure describe devices, methods, computer-readable media and systems configurations for uplink transmit power control for transmitting periodic channel state information. Other embodiments may be described and claimed. | 01-30-2014 |
20140029533 | UPLINK CONTROL INFORMATION TRANSMISSION WITH LARGE NUMBER OF BITS - Embodiments of the present disclosure describe devices, methods, computer-readable media and systems configurations for transmitting periodic channel state information having large payload sizes. Other embodiments may be described and claimed. | 01-30-2014 |
20140056279 | MAPPING AN ENHANCED PHYSICAL DOWNLINK CONTROL CHANNEL - Technology for mapping an enhanced physical downlink control channel to physical resource blocks in a radio frame is disclosed. One method comprises mapping modulated symbols in the ePDCCH to at least one control channel element. The at least one control channel element may be mapped to resource elements located in a plurality of distributed physical resource blocks in a subframe, wherein each resource block is in a distributed resource block group and is separated by at least one additional resource block in the subframe. The mapping may also be to resource elements distributed in a single resource block in the subframe, wherein the control channel element is mapped to be distributed in frequency and time relative to other mapped resource elements in the single resource block and the single resource block belongs to a localized resource block group. | 02-27-2014 |
20140092786 | HYBRID AUTOMATIC REPEAT REQUEST (HARQ) MAPPING FOR CARRIER AGGREGATION (CA) - Technology to dynamically alter hybrid automatic retransmission re-quest (HARQ) mapping for carrier aggregation (CA) is disclosed. In an example, a user equipment (UE) operable to dynamically alter hybrid automatic retransmission re-quest (HARQ) mapping for carrier aggregation (CA) can include computer circuitry configured to: Determine a secondary HARQ bundling window size for a secondary cell (SCell), when a primary HARQ bundling window size for a primary cell (PCell) is zero; determine a physical uplink control channel (PUCCH) resource for transmission of a HARQ-ACKnowledge (ACK) feedback using the secondary HARQ bundling window size; and transmit the HARQ-ACK feedback in the PUCCH resource. | 04-03-2014 |
20140092787 | PERIODIC CHANNEL STATE INFORMATION REPORTING FOR TIME DIVISION DUPLEX (TDD) CARRIER AGGREGATION SYSTEMS - Technology for periodic channel state information (CSI) reporting is disclosed. One method can include a user equipment (UE) identifying a configured CSI reporting instance for a secondary cell to report the periodic CSI to a node based on a CSI reporting configuration of the secondary cell. The UE can determine that the configured CSI reporting instance of the secondary cell used to report the periodic CSI does not correspond with an uplink (UL) subframe of a primary cell. The UE can transmit the periodic CSI report for the secondary cell, to the node, using a physical uplink shared channel (PUSCH) on the secondary cell when the periodic CSI reporting instance for the secondary cell does not correspond with the UL subframe of the primary cell and an UL-SCH (Uplink Shared Channel) is available in a subframe that corresponds to the periodic CSI reporting instance of the secondary cell. | 04-03-2014 |
20140092824 | HYBRID AUTOMATIC REPEAT REQUEST (HARQ) MAPPING FOR CARRIER AGGREGATION (CA) - Technology for conditional hybrid automatic retransmission re-quest (HARQ) mapping for carrier aggregation (CA) is disclosed. One method can include a user equipment (UE) determining when a subframe for physical downlink shared channel (PDSCH) transmission is configured for downlink semi-persistent scheduling (SPS). The subframe configured for downlink SPS can generate a first condition. The UE can generate HARQ-ACK states for the first condition for a HARQ bundling window with discontinuous transmission (DTX) padding for a secondary HARQ bundling window size for a secondary cell (SCell) and a primary HARQ bundling window size for a primary cell (PCell). The UE can generate HARQ-ACK states for a second condition for the HARQ bundling window with DTX padding including a DTX padding exception. The second condition can include conditions not covered by the first condition. The DTC padding exception can generate a set of HARQ-ACK states to uniquely define each padded HARQ-ACK state. | 04-03-2014 |
20140185550 | APPARATUS AND METHOD FOR SINGLE-TONE DEVICE DISCOVERY IN WIRELESS COMMUNICATION NETWORKS - Embodiments of wireless communication devices and methods for device discovery is generally described herein. Some of these embodiments describe an apparatus having processing circuitry arranged to configure a single-tone discovery signal for transmission in a symbol in a transmission opportunity based on an assignment pattern. The assignment pattern may define frequency positions, for a set of transmission opportunities, at which the apparatus shall transmit discovery signals in the corresponding transmission opportunity. The apparatus may have physical layer circuitry arranged to transmit the single-tone discovery signal in the corresponding transmission opportunity. Other methods and apparatuses are also described. | 07-03-2014 |
20140198675 | CHANNEL STATE INFORMATION-REFERENCE SIGNAL PATTERNS FOR TIME DIVISION DUPLEX SYSTEMS IN LONG TERM EVOLUTION WIRELESS NETWORKS - A user equipment (UE) for time division duplex (TDD) communication through a wireless communication channel has a receiver to receive a channel state information reference signal (CSI-RS) subframe configuration value, a CSI-RS configuration value, and a CSI-RS; and circuitry to determine a subframe index corresponding to a temporal position of a special subframe including the CSI-RS; determine a CSI-RS pattern of one or more orthogonal frequency division modulation (OFDM) resource elements carrying the CSI-RS, the pattern being from among a group of CSI-RS patterns that include OF DM resource elements in OFDM symbols corresponding to a physical downlink control channel (PDCCH) region of a legacy LTE wireless communication channel; control the receiver to receive the special subframe carrying the CSI-RS during the temporal position and at the one or more OFDM resource elements of the CSI-RS pattern; and measure the wireless communication channel based on the CSI-RS. | 07-17-2014 |
20140198764 | SYSTEMS AND METHODS FOR GENERATING A DISCOVERY SIGNAL IN A DEVICE-TO-DEVICE OR NETWORK COMMUNICATION - The techniques introduced here provide for device discovery of a greater number of mobile devices in a mobile network by increasing the multiplexing capacity of the system. The techniques may be applied to device-to-device communication networks and small cells using low power nodes (e.g., pico and femto eNodeB in a | 07-17-2014 |
20140211768 | ACK/NACK FEEDBACK METHOD IN WIRELESS COMMUNICATION SYSTEM - A method of ACK/NACK feedback in a wireless communication system. The method includes determining, by a UE, a number of public sub-frames, all of which are uplink sub-frame in PCC and any SCC sub-frames of any radio frame in frame structure configurations according to the frame structure configurations of the PCC and any SCC, selecting, by the UE, a configuration, uplink sub-frames of which merely include sub-frames corresponding to the determined number of public sub-frames from existing seven kinds of frame structure configurations, and feeding back, by the UE, to an eNB ACK/NACK information corresponding to PDSCH in the SCC on the PCC adopting a timing relationship between the PDSCH and the ACK/NACK corresponding to the selected configuration. | 07-31-2014 |
20140219143 | SELECTION OF ACKNOWLEDGMENT TIMING IN WIRELESS COMMUNICATIONS - Disclosed is a method including communicating, by a mobile device, with a base station via first and second component carriers having different frequency bands and time division duplexing (TDD) configurations. The method may include receiving one or more downlink transmissions via the second component carrier. The method may include selecting a hybrid automatic repeat request (HARQ) timing sequence based on the TDD configurations of the first and second component carriers. The method may include transmitting one or more positive acknowledgment and/or negative acknowledgement (ACK/NACK) signals, associated with the one or more downlink transmissions, according to the selected HARQ timing sequence. Other embodiments may be described and claimed. | 08-07-2014 |
20140254567 | CARRIER TYPE (NCT) INFORMATION EMBEDDED IN SYNCHRONIZATION SIGNAL - A Second Synchronous Signal (SSS) for a 3GPP LTE downlink signal is generated in such a way that a legacy User Equipment (UE) can determine whether the downlink signal comprises a legacy downlink signal or a New Carrier Type (NCT) downlink signal, which is unavailable to a legacy UE. One exemplary embodiment provides that a first binary sequence and a second binary sequence are generated in which the first and second binary sequences are part of the SSS for the downlink signal. The first binary sequence is multiplied by a first scrambling sequence, and the second binary sequence by a second scrambling sequence in which the first and second scrambling sequences are selected to indicate that the downlink signal is a new carrier type downlink signal. Other exemplary embodiments provide that an order of the first and second scrambling sequences indicates whether the downlink signal is a NCT downlink signal. | 09-11-2014 |
20140269383 | CHANNEL STATE INFORMATION FEEDBACK SCHEME FOR COOPERATIVE MULTI POINT TRANSMISSION AND CARRIER AGGREGATION SCENARIO - Embodiments of a system and method for reporting uplink control information (UCI) are generally described herein. In some embodiments, a first and second component carrier (CC) is provided for a user equipment (UE). The first and second CC are configured with transmission mode (TM) 10 and TMs 1-9, respectively. A first channel state information (CSI) report for the first CC with TM 10 and a second CSI report for the second CC with at least one of TMs 1-9 are scheduled for transmission in a subframe. A collision is detected between the first and second CSI reports. Priority is assigned to the first CSI report or the second CSI report based on a prioritization parameter. The prioritized CSI report is transmitted based the prioritization parameter. | 09-18-2014 |
20140269419 | METHOD OF TRANSMITTING AND RECEIVING DEVICE-TO-DEVICE DISCOVERY SIGNAL - A method to transmit and receive a device-to-device (D2D) discovery signal method is disclosed. The D2D discovery signal method operates using currently defined discovery signals as well as novel discovery signals, such as discovery signals employing a PUCCH-based uplink signal, an SRS-based demodulation and reference signal, or a single tone-based beacon signal. Under the D2D discovery signal method, an enhanced base station (eNB) configures the D2D discovery signal to both the transmitter (TX) user equipment (UE) and the receiver (RX) UE, then activates the D2D discovery signal to the TX and RX UEs, such that D2D signal transmission can thereafter occur from either the eNB or the TX UE, and monitored by the RX UE. Once the eNB deactivates the D2D discovery signal, D2D transmissions between UEs cease. Transmissions to configure, activate, and deactivate the D2D discovery signal can be unicast, multicast, or broadcast. | 09-18-2014 |
20140293842 | HARQ TIMING DESIGN FOR A TDD SYSTEM - Disclosed are methods and apparatuses related to receiving one or more indications of time division duplex (TDD) uplink/downlink (UL/DL) configurations for two consecutive radio frames. Based on the indications of the TDD UL/DL configurations, a reference TDD UL/DL configuration may be identified for one or more Hybrid Automatic Repeat reQuest (HARD) processes. | 10-02-2014 |
20140301290 | RECONFIGURATION CONTROL CHANNEL RESOURCE MAPPING COLLISION AVOIDANCE - A device includes a transceiver to receive, from a base station, a physical downlink shared channel (PDSCH) transmission and processing circuitry to classify downlink (DL) subframe types for a set of DL subframes associated with a first uplink (UL) subframe for transmission of a hybrid automatic report request acknowledgment (HARQ-ACK) and perform physical uplink control channel (PUCCH) resources mapping based on the classified DL subframe Types for an acknowledgement transmission associated with PDSCH transmission reception. | 10-09-2014 |
20140307596 | HARQ/ACK CODEBOOK SIZE DETERMINATION - Embodiments of the present disclosure describe devices, methods, computer-readable media and systems configurations for determining a hybrid automatic repeat request (HARQ)-acknowledgment (ACK) codebook in wireless communication networks. | 10-16-2014 |
20140362745 | CENTRAL PROCESSING UNIT AND METHODS FOR SUPPORTING COORDINATED MULTIPOINT TRANSMISSION IN AN LTE NETWORK - Embodiments of a central processing unit and methods for supporting coordinated multi-point (CoMP) transmissions in a 3GPP LTE network with non-ideal backhaul links are generally described herein. In some embodiments, the CPU may be arranged for scheduling and assigning resources for subordinate enhanced node Bs (eNBs) over the backhaul links for CoMP transmissions. The scheduling may include an additional number of HARQ processes to compensate, at least in part, for backhaul link latency. | 12-11-2014 |
20140369244 | PERIODIC CHANNEL STATE INFORMATION REPORTING FOR TIME DIVISION DUPLEX (TDD) CARRIER AGGREGATION SYSTEMS - Technology for reporting periodic channel state information (CSI) is disclosed. One method can include determining a reporting period (N | 12-18-2014 |
20140376468 | METHOD FOR UL DATA TRANSMISSION IN WIRELESS COMMUNICATION SYSTEM - The present invention provides a UL data transmission method in a wireless communication system, including determining, by the UE, UL virtual resources allocated to the UE by the eNB according to Downlink Control Information (DCI) used for scheduling UL physical resources sent from the eNB to the UE; determining, by the UE, the UL physical resources used for transmitting the UL data after frequency hopping processing in a preset frequency domain when determining that the UL data needs to be processed with frequency hopping processing according to the DCI, if the UL virtual resources allocated to the UE locate at UL sub-frames in a non-aggregation K of any wireless frame, and locate at the preset frequency domain; bearing, by the UE, the UL data and feeding the UL data back to the eNB utilizing the determined UL physical resources which are processed with the frequency hopping processing and used for transmitting the UL data. With the present invention, the PUSCH channel resource collision may be avoided, the frequency diversity gain may be maximized, and the PUSCH performances may be enhanced. | 12-25-2014 |
20150009870 | MAPPING SPECIAL SUBFRAMES IN A WIRELESS COMMUNICATION NETWORK - Methods, apparatuses, and systems are described related to mapping special subframes in a wireless communication network. In embodiments, an eNB may assign demodulation reference signals (DM-RSs) and/or cell-specific reference signals (CRSs) to a downlink pilot time slot (DwPTS) of a special subframe responsive to a determined configuration of the special subframe. In embodiments, an eNB may bundle the DwPTS or an uplink pilot time slot (UpPTS) of the special subframe with another subframe for scheduling. In embodiments, a UE may estimate a channel associated with the special subframe based on DM-RSs and/or CRSs transmitted in another subframe. In embodiments, an eNB may exclude the DwPTS from scheduling for certain special subframe configurations if a new carrier type (NCT) is used. In embodiments, an eNB may exclude certain special subframe configurations from use for NCT communications. Other embodiments may be described and claimed. | 01-08-2015 |
20150029910 | DYNAMICAL TIME DIVISION DUPLEX UPLINK AND DOWNLINK CONFIGURATION IN A COMMUNICATIONS NETWORK - A technology is disclosed for a user equipment (UE) that is operable to dynamically change an uplink/downlink (UL/DL) configuration in a communications network. A radio resource control (RRC) connection can be requested with an enhanced node B (eNode B). A UE Capability Information information element (IE) can be communicated to the eNode B to indicate an enhanced interference mitigation and traffic adaptation (eIMTA) capability of the UE to support an eIMTA time duplex domain (TDD) UL/DL reconfiguration functionality. An eIMTA configuration information can be received at the UE information within a RRCConnectionSetup message or a RRCConnectionReconfiguration message. | 01-29-2015 |
20150029955 | SIGNALING MESSAGE SYNCHRONIZATION - Technology for supporting dual connectivity is disclosed. A user equipment (UE) may receive a radio resource control (RRC) reconfiguration message from a macro evolved node B (MeNB). The RRC reconfiguration message may indicate that a secondary cell associated with a secondary eNB (SeNB) is to be added for connection to the UE. The UE may complete an RRC reconfiguration procedure to add the secondary cell. The UE may send a preamble to the SeNB indicating that the UE has completed the RRC reconfiguration procedure. The UE may communicate data with the SeNB after sending the preamble to the SeNB, wherein the UE supports dual connectivity to the MeNB and the SeNB. | 01-29-2015 |
20150043438 | LONG-TERM EVOLUTION DEVICE-TO-DEVICE DISCOVERY USING CONTROL CHANNEL - Device-to-device (D2D) communications between user equipment (UE) allows two UEs in a long-term evolution (LTE) network to communicate directly with each other without the need to first send their communications to a network (such as via an evolved node B). In order to communicate in a D2D mode, the UEs first need to discover each other. One method of allowing the UEs to discover each other involves the use of a physical uplink control channel (PUCCH). After a network determines that certain UEs would benefit from D2D communication, the UEs can be set up to send and receive discovery signals using the PUCCH. | 02-12-2015 |
20150043448 | SIGNALING FOR PROXIMITY SERVICES AND D2D DISCOVERY IN AN LTE NETWORK - Embodiments of an enhanced node B (eNB), user equipment (UE) and methods of signaling for proximity services and device-to-device (D2D) discovery in an LTE network are generally described herein. In some embodiments, the eNB may transmit signaling to indicate D2D discovery zone configuration to proximity service (ProSe) enabled UEs. The signaling may indicate time and frequency resources and a periodicity of a discovery zone and may indicate operational parameters for the discovery zone. The resources of the D2D discovery zone may be allocated for D2D discovery signal transmission by the ProSe-enabled UEs. | 02-12-2015 |
20150043515 | RADIO COEXISTENCE IN WIRELESS NETWORKS - Technology for avoiding in-device coexistence (IDC) interference between multiple radio transceivers at a user equipment (UE). The UE may identify a subframe with substantially no IDC interference from one or more of the multiple radio transceivers at the UE. The UE may determine that the subframe with substantially no IDC interference occurs during an unscheduled period of a Discontinuous Reception (DRX) cycle for the UE. The UE may perform Radio Link Monitoring (RLM) during the subframe with substantially no IDC interference during the unscheduled period of the DRX cycle for the UE. | 02-12-2015 |
20150078349 | DRX OPERATION FOR UL/DL RECONFIGURATION - In embodiments, apparatuses, methods, and storage media may be described for identifying subframes in a radio frame on which a UE may receive a Physical Downlink Control Channel (PDCCH) or enhanced PDCCH (ePDCCH) transmission. Specifically, the UE may receive multiple indications of uplink/downlink (UL/DL) subframe configurations and identify one or more subframes in which the UE may receive the PDCCH or ePDCCH transmission. The UE may then monitor one or more of the identified subframes and base discontinuous reception (DRX) timer functionality on one or more of the identified subframes. | 03-19-2015 |
20150085713 | HARQ TIMELINES FOR TDD-FDD CARRIER AGGREGATION - Disclosed embodiments include an end-to-end UE and eNB HARQ protocol design for various TDD−FDD joint operation wireless network configurations. Designs for timing of HARQ feedback in response to PDSCH and PUSCH transmissions (or simply, PDSCH and PUSCH) include both HARQ feedback from a UE, and HARQ feedback from an eNB. The PUSCH HARQ timeline embodiments also include both self-scheduling and cross-carrier scheduling scenarios for PUSCH transmissions. In addition, designs for the cross-carrier scheduling scenarios contemplate an FDD scheduling cell or a TDD scheduling cell. | 03-26-2015 |
20150085833 | TECHNIQUES TO MANAGE HETEROGENOUS CARRIER TYPES - Techniques to manage heterogeneous carrier types are described. User equipment may comprise a processor circuit and a network control component for execution on the processor circuit to locate a synchronization signal (SS) and a cell-specific reference signal (CRS) in a physical resource block (PRB) pair of a long term evolution (LTE) system, the PRB pair having a physical signal pattern for a first carrier type, the physical signal pattern for the first carrier type to have a same number of defined positions between the SS and the CRS within the PRB pair as a physical signal pattern for a second carrier type. Other embodiments are described and claimed. | 03-26-2015 |