Patents Assigned to InterDigital Technology Corporation
  • Patent number: 10667211
    Abstract: A method of discontinuous reception (DRX) in a wireless transmit receive unit (WTRU) includes the WTRU receiving DRX setting information over a radio resource control (RRC) signal, and the WTRU receiving DRX activation information over medium access control (MAC) signal.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: May 26, 2020
    Assignee: InterDigital Technology Corporation
    Inventors: Mohammed Sammour, Arty Chandra, Jin Wang, Shankar Somasundaram
  • Publication number: 20200163102
    Abstract: A method and apparatus are provided for dynamic resource allocation, scheduling and signaling for variable data real time services (RTS) in long term evolution (LTE) systems. Preferably, changes in data rate for uplink RTS traffic are reported to an evolved Node B (eNB) by a UE using layer 1, 2 or 3 signaling. The eNB dynamically allocates physical resources in response to a change in data rate by adding or removing radio blocks currently assigned to the data flow, and the eNB signals the new resource assignment to the UE. In an alternate embodiment, tables stored at the eNB and the UE describe mappings of RTS data rates to physical resources under certain channel conditions, such that the UE uses the table to locally assign physical resources according to changes in UL data rates. Additionally, a method and apparatus for high level configuration of RTS data flows is also presented.
    Type: Application
    Filed: January 27, 2020
    Publication date: May 21, 2020
    Applicant: InterDigital Technology Corporation
    Inventors: Arty Chandra, Mohammed Sammour, Jin Wang
  • Patent number: 10660011
    Abstract: Methods and apparatus are described for providing compatible mapping for backhaul control channels, frequency first mapping of control channel elements (CCEs) to avoid relay-physical control format indicator channel (R-PCFICH) and a tree based relay resource allocation to minimize the resource allocation map bits. Methods and apparatus (e.g., relay node (RN)/evolved Node-B (eNB)) for mapping of the Un downlink (DL) control signals, Un DL positive acknowledgement (ACK)/negative acknowledgement (NACK), and/or relay-physical downlink control channel (R-PDCCH) (or similar) in the eNB to RN (Un interface) DL direction are described. This includes time/frequency mapping of above-mentioned control signals into resource blocks (RBs) of multimedia broadcast multicast services (MBMS) single frequency network (MBSFN)-reserved sub-frames in the RN cell and encoding procedures for these.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: May 19, 2020
    Assignee: InterDigital Technology Corporation
    Inventors: Kalpendu R. Pasad, Sung-Hyuk Shin, Mihaela C. Beluri, Marian Rudolf, Pascal M. Adjakple, John W. Haim
  • Publication number: 20200154369
    Abstract: A combined open loop and closed loop (channel quality indicator (CQI)-based) transmit power control (TPC) scheme with interference mitigation for a long term evolution (LTE) wireless transmit/receive unit (WTRU) is disclosed. The transmit power of the WTRU is derived based on a target signal-to-interference noise ratio (SINR) and a pathloss value. The pathloss value pertains to the downlink signal from a serving evolved Node-B (eNodeB) and includes shadowing. An interference and noise value of the serving eNodeB is included in the transmit power derivation, along with an offset constant value to adjust for downlink (DL) reference signal power and actual transmit power. A weighting factor is also used based on the availability of CQI feedback.
    Type: Application
    Filed: December 6, 2019
    Publication date: May 14, 2020
    Applicant: InterDigital Technology Corporation
    Inventors: Sung-Hyuk Shin, Donald M. Grieco, Robert L. Olesen
  • Patent number: 10645690
    Abstract: A wireless transmit/receive unit (WTRU) includes a receiver and a processor configured to receive information from a network node indicating an assignment of periodic time intervals to transmit sounding signals. The WTRU includes a transmitter and the processor configured to transmit sounding signals to the network node in the assigned periodic time intervals in response to the received information. The WTRU does not transmit any data at a same time that the WTRU transmits the sounding signals. The transmitted sounding signals from the WTRU are distinguishable from sounding signals from other WTRUs.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: May 5, 2020
    Assignee: InterDigital Technology Corporation
    Inventors: Christopher R. Cave, Marian Rudolf
  • Patent number: 10631244
    Abstract: A method and apparatus may be used in wireless communications. The apparatus may be an access point (AP), and may transmit a power save frame. The power save frame may include one or more Uplink (UL) Transmission Times (ULT)s. The apparatus may determine that a station (STA) did not transmit during its respective ULT. The AP may transmit another power save frame. The other power save frame may include a modified ULT. The modified ULT may be for a STA that did not transmit during its respective ULT. The other power save frame may include an unmodified ULT. The unmodified ULT may be for a STA that did not transmit.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: April 21, 2020
    Assignee: INTERDIGITAL TECHNOLOGY CORPORATION
    Inventors: Mohammed Sammour, Sudheer A. Grandhi, Robert L. Olesen
  • Patent number: 10630427
    Abstract: The present invention is related to a method and apparatus for implementing space frequency block coding (SFBC) in an orthogonal frequency division multiplexing (OFDM) wireless communication system. A wireless transmit/receive unit (WTRU) including a transceiver and a processor is configured to receive, via the transceiver, an orthogonal frequency division multiplexing (OFDM) signal, wherein the OFDM signal comprises a channel coded data stream that was space frequency block coding (SFBC) encoded such that the SFBC encoding was performed using a plurality of pairs of OFDM sub-carriers. The processor is further configured to decode the OFDM signal.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: April 21, 2020
    Assignee: InterDigital Technology Corporation
    Inventors: Jaeyoung Kwak, Robert L. Olesen, Aykut Bultan, Eldad M. Zeira, Chang-Soo Koo, Fatih M. Ozluturk, Yuejin Huang, Kalpendu R. Pasad
  • Patent number: 10630448
    Abstract: A wireless transmit/receive unit (WTRU) may receive a higher layer message indicating a triggering condition. The WTRU may process data for a logical channel. Based on the higher layer message and the triggering condition for the logical channel being met, the WTRU may transmit a predetermined sequence over an uplink control channel. The WTRU may receive a scheduling message based on the transmitted predetermined sequence.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: April 21, 2020
    Assignee: InterDigital Technology Corporation
    Inventor: Paul Marinier
  • Patent number: 10624098
    Abstract: A method and apparatus for controlling transmit power in a wireless local area network (WLAN). For example, a station may receive, from an access point (AP), a beacon frame that includes a field indicating a maximum transmission power for at least one of a plurality of operational bandwidth that the AP supports. The station may determine a transmission power for a signal to be transmitted to the AP based on the at least one of the plurality of operational bandwidths indicated in the received beacon. The station may then transmit the signal at the determined transmission power.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: April 14, 2020
    Assignee: InterDigital Technology Corporation
    Inventors: Marian Rudolf, Vincent Roy
  • Patent number: 10608792
    Abstract: A Node-B may prioritize a service data unit (SDU) associated with a logical channel of a priority queue that is associated with a segmentation component. A Node-B may also prioritize other SDUs associated with another priority queue associated with another segmentation component. The segmentation component may facilitate generating an enhanced high speed medium access control (MAC-ehs) reordering protocol data unit (PDU) that includes a segment of the SDU to transmit a MAC-ehs PDU on a high speed downlink shared channel (HS-DSCH).
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: March 31, 2020
    Assignee: InterDigital Technology Corporation
    Inventors: Diana Pani, Christopher R. Cave, Paul Marinier, Stephen E. Terry
  • Patent number: 10595333
    Abstract: A method and wireless transmit/receive unit (WTRU) for uplink transmission are disclosed. A WTRU receives configuration information. The configuration information includes logical channel priority information and a maximum number of hybrid automatic repeat request (HARQ) transmissions. For a transmission time interval (TTI), the WTRU identifies a HARQ process to use for uplink transmission for the TTI on a condition that an uplink grant is for the TTI. The WTRU selects data for uplink transmission for the TTI. For a new uplink transmission, data is allocated in decreasing order of priority based on the logical channel priority information. The WTRU initializes a transmission counter. The transmission counter indicates a number of transmissions associated with the selected data. The WTRU transmits the selected data over an uplink channel based on the uplink grant using the identified HARQ process.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: March 17, 2020
    Assignee: InterDigital Technology Corporation
    Inventors: Stephen E. Terry, Guodong Zhang
  • Publication number: 20200084594
    Abstract: A method performed by a UE may comprise transmitting capability information to an IMS. The capability information may indicate that the UE supports data transfer via IMS. The UE may transmit data and an XML message, based on capability. The XML message may describe the data transmitted. In some embodiments, the data may be binary data, for example, binary animation data. Other binary types may be supported.
    Type: Application
    Filed: October 15, 2019
    Publication date: March 12, 2020
    Applicant: InterDigital Technology Corporation
    Inventor: Kamel M. Shaheen
  • Patent number: 10588046
    Abstract: A wireless transmit/receive unit (WTRU) may select a first type of buffer status information or a second type of buffer status information. The first type of buffer status information may indicate an amount of data buffered and the second type of buffer status information has less bits and is a different format than the first type of buffer status information. The WTRU may select, subsequent to a number of subframes of a transmission of buffer status information of a first type, buffer status information of the first type for transmission.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: March 10, 2020
    Assignee: InterDigital Technology Corporation
    Inventor: Guodong Zhang
  • Patent number: 10560223
    Abstract: A method and apparatus for implementing spatial processing with unequal modulation and coding schemes (MCSs) or stream-dependent MCSs are disclosed. Input data may be parsed into a plurality of data streams, and spatial processing is performed on the data streams to generate a plurality of spatial streams. An MCS for each data stream is selected independently. The spatial streams are transmitted via multiple transmit antennas. At least one of the techniques of space time block coding (STBC), space frequency block coding (SFBC), quasi-orthogonal Alamouti coding, time reversed space time block coding, linear spatial processing and cyclic delay diversity (CDD) may be performed on the data/spatial streams. An antennal mapping matrix may then be applied to the spatial streams. The spatial streams are transmitted via multiple transmit antennas. The MCS for each data stream may be determined based on a signal-to-noise ratio of each spatial stream associated with the data stream.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: February 11, 2020
    Assignee: INTERDIGITAL TECHNOLOGY CORPORATION
    Inventors: Robert L. Olesen, Eldad M. Zeira, Peter J. Voltz, Yongwen E. Yang, Qingyuan Dai, Chang-Soo Koo, I-Tai Lu, KunJu Tsai
  • Patent number: 10548094
    Abstract: A combined open loop and closed loop (channel quality indicator (CQI)-based) transmit power control (TPC) scheme with interference mitigation for a long term evolution (LTE) wireless transmit/receive unit (WTRU) is disclosed. The transmit power of the WTRU is derived based on a target signal-to-interference noise ratio (SINR) and a pathloss value. The pathloss value pertains to the downlink signal from a serving evolved Node-B (eNodeB) and includes shadowing. An interference and noise value of the serving eNodeB is included in the transmit power derivation, along with an offset constant value to adjust for downlink (DL) reference signal power and actual transmit power. A weighting factor is also used based on the availability of CQI feedback.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: January 28, 2020
    Assignee: InterDigital Technology Corporation
    Inventors: Sung-Hyuk Shin, Donald M. Grieco, Robert L. Olesen
  • Patent number: 10547432
    Abstract: A method and apparatus for selecting multiple transport formats and transmitting multiple transport blocks (TBs) in a transmission time interval simultaneously with multiple hybrid automatic repeat request (H-ARQ) processes in a wireless communication system are disclosed. Available physical resources and H-ARQ processes associated with the available physical resources are identified and channel quality of each of the available physical resources is determined. Quality of service (QoS) requirements of higher layer data to be transmitted are determined. The higher layer data is mapped to at least two H-ARQ processes. Physical transmission and H-ARQ configurations to support QoS requirements of the higher layer data mapped to each H-ARQ process are determined. TBs are generated from the mapped higher layer data in accordance with the physical transmission and H-ARQ configurations of each H-ARQ process, respectively. The TBs are transmitted via the H-ARQ processes simultaneously.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: January 28, 2020
    Assignee: InterDigital Technology Corporation
    Inventors: Stephen E. Terry, Jin Wang, Arty Chandra
  • Patent number: 10548159
    Abstract: A method and apparatus are provided for dynamic resource allocation, scheduling and signaling for variable data real time services (RTS) in long term evolution (LTE) systems. Preferably, changes in data rate for uplink RTS traffic are reported to an evolved Node B (eNB) by a UE using layer 1, 2 or 3 signaling. The eNB dynamically allocates physical resources in response to a change in data rate by adding or removing radio blocks currently assigned to the data flow, and the eNB signals the new resource assignment to the UE. In an alternate embodiment, tables stored at the eNB and the UE describe mappings of RTS data rates to physical resources under certain channel conditions, such that the UE uses the table to locally assign physical resources according to changes in UL data rates. Additionally, a method and apparatus for high level configuration of RTS data flows is also presented.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: January 28, 2020
    Assignee: InterDigital Technology Corporation
    Inventors: Arty Chandra, Mohammed Sammour, Jin Wang
  • Publication number: 20200029387
    Abstract: A wireless transmit/receive unit (WTRU) is disclosed that comprises a processor configured to selectively enable and disable reception of downlink signaling and configured to monitor a buffer of the WTRU for data to transmit. The WTRU comprises a transmitter configured to transmit, while reception of the downlink signaling is disabled, a channel allocation request in response to data in the monitored buffer. The processor is configured, in response to the data in the monitored buffer, to enable reception of the downlink signaling to allow the WTRU to receive an uplink channel allocation. The transmitter is configured, in response to the WTRU receiving an uplink channel allocation, to transmit uplink data on an uplink channel. The processor is configured to track a time when HARQ feedback is expected to be received in response to the transmitted uplink data, and configured to receive the HARQ feedback at the expected time.
    Type: Application
    Filed: July 29, 2019
    Publication date: January 23, 2020
    Applicant: INTERDIGITAL TECHNOLOGY CORPORATION
    Inventors: Stephen E. Terry, Guodong Zhang, Stephen G. Dick
  • Patent number: 10536254
    Abstract: A method and wireless transmit/receive unit (WTRU) for enhanced uplink data transmission is disclosed. A transport block size for transmission of enhanced uplink data is selected. A medium access control (MAC) protocol data unit (PDU) is segmented into a plurality of segments on a condition that the MAC PDU does not fit in a transport block according to the selected transport block size. A transport block is produced having the transport block size and includes at least one of the plurality of segments. The transport block is transmitted over an enhanced uplink channel and an indication of the transport block size is transmitted over an associated physical control channel.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: January 14, 2020
    Assignee: InterDigital Technology Corporation
    Inventor: Stephen E. Terry
  • Patent number: 10517109
    Abstract: A wireless transmit/receive unit (WTRU) comprises an antenna, a transmitter, and a receiver. The transmitter is configured to transmit an indication of uplink data on an uplink control channel on a condition that uplink data is in a buffer of the WTRU. The WTRU is configured to use the uplink control channel and an uplink data channel. The receiver is configured to receive an uplink scheduling message based on the transmitted indication of uplink data. The transmitter is further configured to transmit uplink data on the uplink data channel based on the received uplink scheduling message. The transmitted uplink data is included in a medium access control (MAC) protocol data unit (PDU). The MAC PDU includes traffic volume information. A header of the MAC PDU includes a field indicating the presence of the traffic volume information.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: December 24, 2019
    Assignee: InterDigital Technology Corporation
    Inventors: Guodong Zhang, Stephen E. Terry, Stephen G. Dick