Patents by Inventor Yushu Zhang

Yushu Zhang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Sounding reference signal configuration
    Patent number: 11844054
    Abstract: Provided is a method by a user equipment (UE), comprising: receiving one or more messages comprising sounding reference signal (SRS) configuration information from a based station (BS), the SRS configuration information comprises a partial frequency sounding indicator and additional information associated with the partial frequency sounding indicator, and determines SRS resource allocation; and sending a SRS to the BS in accordance with the SRS configuration information.
    Type: Grant
    Filed: April 3, 2021
    Date of Patent: December 12, 2023
    Assignee: Apple Inc.
    Inventors: Haitong Sun, Chunxuan Ye, Dawei Zhang, Hong He, Jie Cui, Seyed Ali Akbar Fakoorian, Sigen Ye, Wei Zeng, Yushu Zhang
  • METHOD FOR ENHANCED DIRECT SECONDARY CELL ACTIVATION
    Publication number: 20230396396
    Abstract: Some embodiments include an apparatus, method, and computer program product for enhanced direct secondary cell activation in a 5G wireless communications system. A user equipment (UE) can receive a Radio Resource Control (RRC) command from a 5G Node B (gNB) via a Primary Cell (PCell) or via a Primary Secondary Cell (PSCell) that includes configuration data for a Secondary Cell (SCell), where the SCell operates in Frequency Range 2 (FR2). The RRC command includes a first Transmission Configuration Indicator (TCI) state for the SCell, and the UE can activate the SCell for the UE based at least on the configuration data, concurrently with the first TCI state for receiving the PDCCH transmission. The UE can receive a Physical Downlink Control Channel (PDCCH) transmission via a first antenna beam from the SCell, where the first antenna beam is based on the first TCI state.
    Type: Application
    Filed: January 14, 2021
    Publication date: December 7, 2023
    Applicant: Apple Inc.
    Inventors: Qiming LI, Jie CUI, Dawei ZHANG, Yang TANG, Yushu ZHANG, Fangli XU, Manasa RAGHAVAN, Huaning NIU, Xiang CHEN
  • EXTENDING A TIME GAP RANGE FOR NON-TERRESTRIAL NETWORKS
    Publication number: 20230397144
    Abstract: A user equipment (UE) comprising a processor configured to perform the operations that determines an uplink (UL) slot is described. In exemplary embodiments, the UE receives, from a base station, a scaling factor through a first Radio Resource Control (RRC) signal. The UE may further determines an offset through a second RRC signal. In addition, the UE may receive from the base station, downlink control information (DCI) that includes an indication of an initial time gap. Furthermore, the UE may calculate a new time gap by at least applying the scaling factor to the initial time gap and determine a slot of uplink transmission based on at least the new time gap and the offset.
    Type: Application
    Filed: August 23, 2023
    Publication date: December 7, 2023
    Inventors: Chunhai Yao, Chunxuan Ye, Dawei Zhang, Haijing Hu, Haitong Sun, Hong He, Oghenekome Oteri, Sarma V. Vangala, Sigen Ye, Wei Zeng, Weidong Yang, Yushu Zhang
  • Multiplexing of Uplink Control Information for Operation with Multiple Transmission-Reception Points
    Publication number: 20230396378
    Abstract: A user equipment (UE) communicates with transmission-reception points (TRPs). When the UE generates uplink control information (UCI), it determines a higher layer index (HLI) value to target the UCI to the appropriate TRP. (Possible values of the HLI are associated with the TRPs.) For UCI on Physical Uplink Control Channel (PUCCH), the HLI value may be determined: based on an HLI value configured for a control resource set (CORESET), or for particular Physical Uplink Control Channel (PUCCH) resources; based on UCI type or spatial relation data or an index related to PUCCH resources. For UCI on a configured-grant Physical Uplink Shared Channel (PUSCH), the HLI value may be based on higher layer signals or an indicator relating to channel sounding on spatial relation data. For UCI on MsgA PUSCH in a two-step random access procedure, the HLI value may be based on PUSCH resource unit or PUSCH opportunity.
    Type: Application
    Filed: August 23, 2023
    Publication date: December 7, 2023
    Inventors: Yushu Zhang, Dawei Zhang, Haijing Hu, Wei Zeng, Yang Tang, Haitong Sun, Yuchul Kim, Hong He, Chunhai Yao, Chunxuan Ye, Weidong Yang, Oghenekome Oteri, Jie Cui, Fangli Xu, Yuqin Chen
  • BEAM MANAGEMENT FOR NON-TERRESTRIAL NETWORK (NTN)
    Publication number: 20230396393
    Abstract: Techniques discussed herein can facilitate beam management for non-terrestrial networks (NTN).
    Type: Application
    Filed: October 23, 2020
    Publication date: December 7, 2023
    Inventors: Chunhai Yao, Chunxuan Ye, Dawei Zhang, Fangli Xu, Haijing Hu, Haitong Sun, Hong He, Huaning Niu, Oghenekome Oteri, Sarma V. Vangala, Sigen Ye, Wei Zeng, Weidong Yang, Yushu Zhang, Zhu Ji
  • SIDELINK CONTROL INFORMATION STAGE 2 FORMAT
    Publication number: 20230397210
    Abstract: Systems, methods, and circuitries are provided for performing sidelink communication. An example method generates SCI stage 1 and stage 2 for transmitting a transport block (TB) to a user equipment device (UE). The method includes determining the type of sidelink communication for transmitting the TB. An SCI stage 2 format is selected based on the type of sidelink communication. An SCI stage 2 payload is encoded in accordance with the selected SCI stage 2 format. The selected SCI stage 2 format value is encoded in an SCI stage 1 payload. The SCI stage 1 payload and SCI stage 2 payload are transmitted to the UE.
    Type: Application
    Filed: August 22, 2023
    Publication date: December 7, 2023
    Inventors: Chunhai Yao, Chunxuan Ye, Wei Zeng, Yushu Zhang, Oghenekome Oteri, Weidong Yang, Hong He, Haitong Sun, Yang Tang, Jie Cui, Yuchul Kim, Dawei Zhang, Jia Tang
  • Systems and methods for control signaling for beam searching latency reduction
    Patent number: 11838089
    Abstract: Systems and methods for control signaling for beam searching latency reduction are disclosed herein. A g Node B (gNB) may determine that a first Synchronization Signal Block (SSB) and a second SSB are to be spatially correlated and may select a first transmit (Tx) beam to transmit the first SSB and a second Tx beam to transmit the second SSB accordingly. The gNB may also transmit a correlation message including spatial correlation information to help a UE determine the spatial correlation. The UE may measure the first SSB on a first subset of a plurality of receive (Rx) beams and measure the second SSB on a second subset of the plurality of Rx beams, and select an Rx beam for one or both. In some embodiments, channel state information reference signals (CSI-RS) that are quasi co-located (QCLed) with a given SSB may be measured in place of the SSB.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: December 5, 2023
    Assignee: APPLE INC.
    Inventors: Yushu Zhang, Chunhai Yao, Chunxuan Ye, Dawei Zhang, Fangli Xu, Haijing Hu, Haitong Sun, Hong He, Wei Zeng, Weidong Yang, Yeong-Sun Hwang, Yuchul Kim, Yuqin Chen
  • BEAMFORMING MANAGEMENT IN WIRELESS NETWORKS
    Publication number: 20230387987
    Abstract: Apparatus, systems, and methods to implement receive beamforming in communication systems are described. In one example, apparatus of an evolved Node B (eNB) comprising processing circuitry to receive, from a user equipment (UE), a beamforming reference signal received power (BRS-RP) measurement and in response to the BRS-RP measurement, configure a downlink (DL) transmit (Tx) beamforming and a receiving (Rx) beamforming process on the UE. Other examples are also disclosed and claimed.
    Type: Application
    Filed: August 10, 2023
    Publication date: November 30, 2023
    Applicant: Apple Inc.
    Inventors: Yushu Zhang, Yuan Zhu, Gang Xiong, Ralf Bendlin, Jong-Kae Fwu
  • Systems and methods for robust CSI feedback
    Patent number: 11831371
    Abstract: Systems and methods disclosed herein use channel state information (CSI) reports from a user equipment (UE) having additional CSI beyond CSI directly derived according to a current MIMO configuration between a base station and the UE. In some embodiments, a channel quality indicator (CQI) according to a selected layer of a plurality of layers used to receive the MIMO transmission as determined relative to the MIMO transmission is reported. In some embodiments, a precoding matrix indicator (PMI) according to a selected layer of a plurality of layers useable to receive rank 1 transmissions is reported along with a CQI determined according to that layer, or according to a layer used to receive the MIMO transmission as determined relative to the MIMO transmission. In some embodiments, a base station configures a UE to report more fulsome CSI according to each of a plurality of ranks.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: November 28, 2023
    Assignee: APPLE INC.
    Inventors: Yushu Zhang, Chunhai Yao, Chunxuan Ye, Dawei Zhang, Haitong Sun, Seyed Ali Akbar Fakoorian, Sigen Ye, Wei Zeng, Weidong Yang
  • Uplink control information (UCI) multiplexing on multiple physical uplink shared channels (PUSCHs)
    Patent number: 11832262
    Abstract: Technology for a user equipment (UE) operable to multiplex uplink control information (UCI) on a physical uplink shared channel (PUSCH) is disclosed. The UE can determine a symbol duration of the PUSCH. The UE can select a UCI transmission rule in accordance with the symbol duration of the PUSCH when a physical uplink control channel (PUCCH) resource carrying UCI overlaps with more than one PUSCH resource in time within a PUCCH group. The UE can multiplex the UCI on a selected PUSCH resource from the more than one PUSCH resource in accordance with the UCI transmission rule.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: November 28, 2023
    Assignee: APPLE INC.
    Inventors: Gang Xiong, Yushu Zhang, Guotong Wang
  • Enhancement on scheduling and HARQ-ACK feedback for URLLC, multiplexing scheme for control/data channel and DM-RS for NR, and activation mechanism, scheduling aspects, and synchronization signal (SS) blocks for new radio (NR) system with multiple bandwidth parts (BWPs)
    Patent number: 11832264
    Abstract: An apparatus, method, system and machine-readable medium. The apparatus may be an apparatus of a New Radio (NR) gNodeB or of a NR User Equipment (UE), and may include a memory and processing circuitry. The processing circuitry for the apparatus of the gNodeB is to: configure a plurality of bandwidth parts (BWPs) associated with respective numerologies; determine a physical downlink control channel (PDCCH) including downlink control information (DCI), the DCI including information on scheduled resources including BWP index for a data transmission to or from a User Equipment (UE), the data transmission to occupy one of the plurality of BWPs or multiple ones of the plurality of BWPs; encode the PDCCH for transmission; and process the data transmission based on the DCI.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: November 28, 2023
    Assignee: Apple Inc.
    Inventors: Gang Xiong, Jeongho Jeon, Joonyoung Cho, Debdeep Chatterjee, Sergey Panteleev, Yushu Zhang
  • Channel State Information Reporting
    Publication number: 20230379030
    Abstract: A user equipment (UE) configured to report Channel State Information (CSI) to a wireless network. The UE transmits a first sounding reference signal (SRS) on an uplink (UL) channel, receives a first channel state information reference signal (CSI-RS) on a downlink (DL) channel, wherein the first CSI-RS includes a first configuration of CSI-RS parameters based on the first SRS, performs first CSI-RS measurements based on the first configuration of CSI-RS parameters, transmits a first CSI report including the first CSI-RS measurements, transmits a second SRS on the UL channel, receives a second CSI-RS on the DL channel, wherein the second CSI-RS includes a second configuration of CSI-RS parameters based on the second SRS, performs second CSI-RS measurements based on the second configuration of CSI-RS parameters and transmits a second CSI report including the second CSI-RS measurements.
    Type: Application
    Filed: October 2, 2020
    Publication date: November 23, 2023
    Inventors: Haitong SUN, Chunhai YAO, Chunxuan YE, Dawei ZHANG, Hong HE, Huaning NIU, Ismael GUTIERREZ GONZALEZ, Oghenekome OTERI, Wei ZENG, Weidong YANG, Yushu ZHANG
  • Channel State Information Reporting for TRP Operation
    Publication number: 20230379031
    Abstract: A user equipment (UE) reports channel state information (CSI) to a network. The UE receives, from a base station, at least one channel state information (CSI) report configuration, wherein each CSI report configuration includes at least one reference resource set configuration, wherein each reference resource set configuration includes at least one reference resource configuration and sends, to the base station, a transmission indicating whether the UE prefers a single transmission and reception point (TRP) mode or a multiple TRP (multi-TRP) mode.
    Type: Application
    Filed: October 2, 2020
    Publication date: November 23, 2023
    Inventors: Haitong SUN, Chunhai YAO, Chunxuan YE, Dawei ZHANG, Hong HE, Huaning NIU, Ismael GUTIERREZ GONZALEZ, Oghenekome OTERI, Seyed Ali Akbar FAKOORIAN, Sigen YE, Wei ZENG, Weidong YANG, Yushu ZHANG
  • Extending a time gap range for non-terrestrial networks
    Patent number: 11825436
    Abstract: A user equipment (UE) comprising a processor configured to perform the operations that determines an uplink (UL) slot is described. In exemplary embodiments, the UE receives, from a base station, a scaling factor through a first Radio Resource Control (RRC) signal. The UE may further determines an offset through a second RRC signal. In addition, the UE may receive from the base station, downlink control information (DCI) that includes an indication of an initial time gap. Furthermore, the UE may calculate a new time gap by at least applying the scaling factor to the initial time gap and determine a slot of uplink transmission based on at least the new time gap and the offset.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: November 21, 2023
    Assignee: APPLE INC.
    Inventors: Chunhai Yao, Chunxuan Ye, Dawei Zhang, Haijing Hu, Haitong Sun, Hong He, Oghenekome Oteri, Sarma V. Vangala, Sigen Ye, Wei Zeng, Weidong Yang, Yushu Zhang
  • SYSTEMS, METHODS, AND DEVICES FOR SECONDARY CELL ACTIVATION WITH UE-SPECIFIC REFERENCE SIGNAL
    Publication number: 20230370217
    Abstract: Techniques discussed herein may better ensure efficient fine time tracking during a second cell (SCell) activation procedure by using a tracking reference signal (TRS) that is User Equipment (UE) specific. A primary cell (PCell) may provide a UE with a TRS configuration that includes a UE-specific reference signal (RS) with periodicity or aperiodicity. In response to receiving a SCell activation command from the PCell, the UE may perform cell activation with fine time tracking in accordance with the UE-specific RS. As the delay time for the UE-specific RS may be less than the delay time for a system synchronization block (SSB) from the SCell, use of the UE-specific RS may expedite the cell activation procedure.
    Type: Application
    Filed: January 14, 2021
    Publication date: November 16, 2023
    Inventors: Qiming Li, Dawei Zhang, Huaning Niu, Jie Cui, Manasa Raghavan, Xiang Chen, Yang Tang, Yushu Zhang
  • Systems and Methods for Beam Indication for L1/L2 Centric Inter-Cell Mobility
    Publication number: 20230370218
    Abstract: Systems and methods for beam indication for layer 1/layer 2 (L1/L2) centric inter-cell mobility are described herein. A base station may provide a user equipment (UE) with beam indications, in one or more transmission configuration indication (TCI) states, and may provide different beam indications for different search spaces (SSs), including UE-specific search space (USS) and common search space (CSS) within a same control channel resource set (CORESET). A UE may implicitly select a radio link monitoring (RLM) and beam failure detection (BFD) reference signal (RS) in accord with one or more methods, and in some cases may implicitly select an RLM/BFD RS based on one or more received TCI states or beam indications.
    Type: Application
    Filed: August 4, 2021
    Publication date: November 16, 2023
    Inventors: Yushu Zhang, Chunhai Yao, Chunxuan Ye, Dawei Zhang, Haitong Sun, Hong He, Huaning Niu, Oghenekome Oteri, Wei Zeng
  • SYSTEMS AND METHODS FOR ROBUST CSI FEEDBACK
    Publication number: 20230370127
    Abstract: Systems and methods disclosed herein use channel state information (CSI) reports from a user equipment (UE) having additional CSI beyond CSI directly derived according to a current MIMO configuration between a base station and the UE. In some embodiments, a channel quality indicator (CQI) according to a selected layer of a plurality of layers used to receive the MIMO transmission as determined relative to the MIMO transmission is reported. In some embodiments, a precoding matrix indicator (PMI) according to a selected layer of a plurality of layers useable to receive rank 1 transmissions is reported along with a CQI determined according to that layer, or according to a layer used to receive the MIMO transmission as determined relative to the MIMO transmission. In some embodiments, a base station configures a UE to report more fulsome CSI according to each of a plurality of ranks.
    Type: Application
    Filed: July 26, 2023
    Publication date: November 16, 2023
    Inventors: Yushu Zhang, Chunhai Yao, Chunxuan Ye, Dawei Zhang, Haitong Sun, Seyed Ali Akbar Fakoorian, Sigen Ye, Wei Zeng, Weidong Yang
  • HARQ PROCESS HANDLING FOR MULTI-DCI MULTI-TRP OPERATION
    Publication number: 20230362929
    Abstract: Apparatuses, systems, and methods for providing downlink control for multi-TRP transmission. A network-side device may provide a downlink control information transmission to a wireless device scheduling downlink transmission to the wireless device from multiple transmission reception points. The downlink transmission may relate to Hybrid automatic repeat request process and/or system information transmission. And the downlink control information may include information about scheduling of HARQ processes from different TRPs, and/or information about scheduling of SI transmission from different TRPs. The wireless device may receive the downlink transmissions from the plurality of transmission reception points in accordance with the downlink control information.
    Type: Application
    Filed: January 15, 2021
    Publication date: November 9, 2023
    Applicant: Apple Inc.
    Inventors: Haitong SUN, Dawei ZHANG, Wei ZENG, Yushu ZHANG, Jia TANG, Amir FARAJIDANA, Wei ZHANG
  • AP-SRS TRIGGERING OFFSET ENHANCEMENT FOR FURTHER ENHANCED MIMO
    Publication number: 20230361952
    Abstract: The present disclosure is directed to AP-SRS triggering offset enhancement for further enhanced MIMO. User equipment (UE), base stations, apparatus, methods, computer-readable memory media, and computer program products are disclosed. The UE may be configured to receive an offset information associated with AP-SRS transmission of the UE; determine a slot offset associated with the AP-SRS transmission, at least based on the offset information; determine a specific slot for the AP-SRS transmission, based on the determined slot offset; and perform the AP-SRS transmission in the determined specific slot.
    Type: Application
    Filed: January 15, 2021
    Publication date: November 9, 2023
    Applicant: Apple Inc.
    Inventors: Haitong SUN, Dawei ZHANG, Wei ZENG, Yushu ZHANG, Hong HE, Chunxuan YE, Huaning NIU, Weidong YANG, Oghenekome OTERI, Seyed Ali Akbar FAKOORIAN, Sigen YE, Chunhai YAO
  • ENHANCED UPLINK BEAM MANAGEMENT
    Publication number: 20230362947
    Abstract: Systems, apparatuses, methods, and computer-readable media are provided for uplink beam management and power control in wireless communications systems. Disclosed embodiments include beam management and power control enhancements for Physical Uplink Shared Channel (PUSCH), Sounding Reference Signal (SRS), and Physical Uplink Control Channel (PUSCH) transmissions. Other embodiments may be described and/or claimed.
    Type: Application
    Filed: July 14, 2023
    Publication date: November 9, 2023
    Applicant: Apple Inc.
    Inventors: Yushu ZHANG, Alexei DAVYDOV, Guotong WANG, Gang XIONG