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).
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Publication number: 20250151087Abstract: A user equipment including a transceiver and a processor is disclosed. The processor is configured to determine a sidelink control information (SCI) format payload size based on resource pool configuration for the UE for inter-UE coordination with a second UE. The processor is configured to determine, based on the determined SCI format payload size, an SCI format including a number of message elements identifying attributes of a number of resources being used by the UE over a predetermined time period. The processor is configured to encode and transmit, to the second UE, the SCI format for the IUC for resource selection by the second UE.Type: ApplicationFiled: February 11, 2022Publication date: May 8, 2025Inventors: Chunxuan Ye, Dawei Zhang, Weidong Yang, Chunhai Yao, Yushu Zhang, Haitong Sun, Hong He, Wei Zeng, Oghenekome Oteri, Seyed Ali Akbar Fakoorian
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Publication number: 20250150243Abstract: Apparatuses, systems, and methods for Unified transmission configuration indicator (TCI) configuration and default beam for multi-beam indication, e.g., in 5G NR systems and beyond, including systems, methods, and mechanisms for supporting cross-cell TCI state list sharing and common TCI ID indication with regard to different multi-TRP operation in different serving cells as well as for determining which TCI to use to buffer data when a scheduling offset is below a threshold when multiple TCI states are indicated (e.g., which TCI state is a default TCI state).Type: ApplicationFiled: March 1, 2022Publication date: May 8, 2025Inventors: Yushu Zhang, Oghenekome Oteri, Huaning Niu, Chunxuan Ye, Seyed Ali Akbar Fakoorian, Wei Zeng, Haitong Sun, Hong He, Dawei Zhang
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Publication number: 20250151128Abstract: A method and device are disclosed for performing collision resolution in a two-step random access channel (RACH) process. In such a process, an MsgA PUSCH signal and a grant based PUSCH signal may collide. When such a collision is detected, either the MsgA PUSCH signal or the grant based PUSCh signal are dropped. The other of the two signals is then transmitted. The determination regarding which signal to drop can be based on a set of rules stored in memory.Type: ApplicationFiled: January 13, 2025Publication date: May 8, 2025Applicant: Apple Inc.Inventors: Gang XIONG, Yujian ZHANG, Yushu ZHANG, Sergey SOSNIN, Seau S. LIM
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Patent number: 12294434Abstract: Some embodiments include an apparatus, method, and computer program product for implementing Channel State information (CSI) feedback for multi-Physical Downlink Shared Channel (PDSCH) transmissions in a wireless communication system. Some embodiments enable a user equipment (UE) to determine Channel Quality Indicators (CQI) and/or Precoding Matrix Indicators (PMI) for multi-PDSCH transmissions that account for effects of a duration of the multi-PDSCH transmission including the maximum interval between the first and last PDSCH transmissions on the CQI and PMI determinations. Some embodiments include a base station that detects a need for a change in a beam direction and adjusts the beam direction accordingly based on the PMI determinations. Some embodiments enable a desired hybrid automatic repeat request (HARQ)-ACK feedback transmission from a single multi-PDSCH transmission.Type: GrantFiled: August 5, 2021Date of Patent: May 6, 2025Assignee: Apple Inc.Inventors: Oghenekome Oteri, Wei Zeng, Dawei Zhang, Seyed Ali Akbar Fakoorian, Weidong Yang, Sigen Ye, Chunhai Yao, Yushu Zhang, Chunxuan Ye, Hong He, Haitong Sun
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Patent number: 12294455Abstract: A base station is configured to receive channel state information (CSI) from a user equipment (UE). The base station transmits configuration information including one or more interference measurement resources (IMRs) allocated for measurement by the UE, receives a reference CSI report from the UE, receives a new CSI report including interference and noise power fluctuation feedback from the UE and selects a modulation and coding scheme (MCS) for the UE based on at least the interference and noise power fluctuation feedback and the reference CSI report.Type: GrantFiled: September 15, 2020Date of Patent: May 6, 2025Assignee: Apple Inc.Inventors: Weidong Yang, Chunhai Yao, Chunxuan Ye, Dawei Zhang, Haitong Sun, Hong He, Huaning Niu, Jie Cui, Manasa Raghavan, Oghenekome Oteri, Seyed Ali Akbar Fakoorian, Sigen Ye, Wei Zeng, Yang Tang, Yushu Zhang
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Patent number: 12294994Abstract: The present application relates to devices and components including apparatus, systems, and methods for mapping transmission configuration indicator states to resources of physical downlink shared channel transmission occasions in wireless communication systems.Type: GrantFiled: August 3, 2020Date of Patent: May 6, 2025Assignee: Apple Inc.Inventors: Yushu Zhang, Chunhai Yao, Chunxuan Ye, Dawei Zhang, Haitong Sun, Hong He, Oghenekome Oteri, Wei Zeng, Weidong Yang
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Publication number: 20250142550Abstract: A user equipment (UE) is configured to use multiple beams for transmission or reception. The UE receives, from a base station, at least one medium access control (MAC) control element (CE) that indicates multiple activated transmission configuration indicator (TCI) states, receives, from the base station, at least one downlink control information (DCI) indicating a subset of TCI states of the multiple activated TCI states, wherein the MAC CE and the DCI are part of a TCI configuration, and wherein the subset of TCI states corresponds to multiple transmission and reception points (TRPs) of a wireless network, maps the subset of TCI states to the corresponding multiple TRPs based on the TCI configuration and selects a beam used for transmission or reception based on one mapped TCI state of the mapped subset of TCI states.Type: ApplicationFiled: January 2, 2025Publication date: May 1, 2025Inventors: Yushu ZHANG, Chunxuan YE, Dawei ZHANG, Haitong SUN, Hong HE, Huaning NIU, Oghenekome OTERI, Wei ZENG, Weidong YANG
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Publication number: 20250142504Abstract: Systems and methods for performing timing advance (TA) validation at a user equipment (UE) for a TA to be used when transmitting a configured grant small data transmission (CG-SDT). Mechanisms for bounding one or more measurement windows during which one or more synchronization signal blocks are measured during a reference signal received power (RSRP) measurement method of the TA validation are discussed, and may be set using information corresponding to timing drift due to relativistic effects, clock differences between a UE and a base station, and/or information about a UE discontinuous reception (DRX) cycle. Further, time interval limitations between various events attendant to such an RSRP measurement method are discussed as being determined using information corresponding to timing drift due to relativistic effects, clock differences between a UE and a base station, information about a DRX cycle used at the UE, and/or a maximum TA timer duration.Type: ApplicationFiled: February 11, 2022Publication date: May 1, 2025Inventors: Jie Cui, Manasa Raghavan, Dawei Zhang, Yang Tang, Chunhai Yao, Qiming Li, Xiang Chen, Hong He, Yushu Zhang, Fangli Xu
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Patent number: 12289610Abstract: A network may transmit either beam deployment information or beam number information to a user equipment (UE) carried on a train and configured for operation in the millimeter wave band. The deployment information may include deployment related distance parameters or azimuth angle spread parameters. The beam number information may indicate a number of network beams associated with a current cell. The UE may determine a number of UE receive beams based on deployment information or the network-indicated number of network beams. The UE may transmit feedback to the network, indicating the number of UE receive beams. Alternatively, the network may send a configuration message indicating a first number of UE receive beams to the UE, which the UE may treat as an upper bound or lower bound in its determination of a desired number of UE receive beams. The UE may transmit the desired number to the network.Type: GrantFiled: April 1, 2021Date of Patent: April 29, 2025Assignee: Apple Inc.Inventors: Huaning Niu, Jie Cui, Dawei Zhang, Yang Tang, Manasa Raghavan, Qiming Li, Xiang Chen, Haitong Sun, Yushu Zhang
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Patent number: 12289618Abstract: Apparatuses, systems, and methods for overhead reduction for multi-carrier beam selection and power control. A user equipment device (UE) may receive an uplink beam configuration for a group of component carriers and may communicate using the uplink beam configuration for the group of component carriers. The UE may receive an updated uplink beam configuration for the group of component carriers. The update uplink beam configuration may include a medium access control (MAC) control element (CE) that may update a pathloss reference signal for the group of component carriers. The MAC CE may include an indication of a spatial relation for aperiodic or semi-persistent sounding reference signals for the group of component carriers, an indication of a transmission control indicator for a physical downlink control channel, an indication of an update for a physical uplink shared channel, and/or an indication of an update for a sounding reference signal.Type: GrantFiled: April 8, 2020Date of Patent: April 29, 2025Assignee: Apple Inc.Inventors: Yushu Zhang, Chunhai Yao, Chunxuan Ye, Dawei Zhang, Fangli Xu, Haijing Hu, Haitong Sun, Hong He, Jie Cui, Oghenekome Oteri, Wei Zeng, Weidong Yang, Yang Tang, Yuchul Kim, Yuqin Chen
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Patent number: 12289267Abstract: This disclosure relates to techniques for periodic reference signal activation and deactivation in a wireless communication system. Information configuring periodic reference signals may be received by a wireless device. Information deactivating some or all of the periodic reference signals may be received by the wireless device. The information deactivating some or all of the periodic reference signals may be received using different signaling type than the information configuring the periodic reference signals.Type: GrantFiled: March 31, 2021Date of Patent: April 29, 2025Assignee: Apple Inc.Inventors: Yushu Zhang, Qiming Li, Haitong Sun, Jie Cui, Huaning Niu, Chunxuan Ye, Wei Zeng, Dawei Zhang
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Patent number: 12289606Abstract: This disclosure relates to techniques for a wireless device to initiate channel occupancy in unlicensed spectrum in a wireless communication system. The wireless device may establish a wireless link with a cellular base station. The wireless device may determine to perform an uplink transmission to the cellular base station on an unlicensed frequency channel. The wireless device may determine whether the cellular base station has channel occupancy of the unlicensed frequency channel. The wireless device may determine whether to initiate channel occupancy of the unlicensed frequency channel. The decision whether to initiate channel occupancy may be based at least in part on whether the cellular base station has channel occupancy of the unlicensed frequency channel.Type: GrantFiled: October 15, 2020Date of Patent: April 29, 2025Assignee: Apple Inc.Inventors: Sigen Ye, Oghenekome Oteri, Weidong Yang, Wei Zeng, Hong He, Yushu Zhang, Haitong Sun, Huaning Niu, Chunhai Yao, Dawei Zhang
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Publication number: 20250132875Abstract: This disclosure relates to techniques for providing channel state information reference signals for a reduced capability wireless device in a wireless communication system. A wireless device and a cellular base station may establish a wireless link. Channel state information acquisition for a bandwidth part may be configured for the wireless device. The wireless device may determine channel state information reference signal resources for the channel state information acquisition. The channel state information reference signal resources may include multiple resource elements per antenna port per physical resource block for the bandwidth part. The wireless device may perform channel state information acquisition using the channel state information reference signal resources.Type: ApplicationFiled: March 25, 2022Publication date: April 24, 2025Inventors: Hong He, Seyed Ali Akbar Fakoorian, Yushu Zhang, Weidong Yang, Wei Zeng, Sigen Ye, Dawei Zhang, Haitong Sun, Chunxuan Ye, Jie Cui
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Patent number: 12284670Abstract: The exemplary embodiments relate to a user equipment (UE) delivering an indication of one or more uplink listen-before-talk (LBT) failures to a network. The UE may identify a predetermined condition corresponding to one or more uplink listen-before-talk (LBT) failures associated with a special cell (SpCell). The UE is triggered to provide an indication of uplink LBT failure associated with the SpCell to the network based on the predetermined condition. Next, the UE may determine a type of message that is to be used to deliver the indication of uplink LBT failure associated with the SpCell to the network. The UE may transmit the type of message including the indication of uplink LBT failure associated with the SpCell to the network. Subsequently, the UE may determine that the network received the indication of uplink LBT failure associated with the SpCell.Type: GrantFiled: February 12, 2020Date of Patent: April 22, 2025Assignee: Apple Inc.Inventors: Yuqin Chen, Chunhai Yao, Dawei Zhang, Fangli Xu, Haijing Hu, Yushu Zhang, Zhibin Wu
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Patent number: 12284016Abstract: Techniques for changing a Transmission Configuration Indication (TCI) state by a user equipment (UE) operating in a wireless communications system are provided. The UE receives a first message including a TCI state change command from a network and determines, based on the first message, whether a time offset/frequency offset (TO/FO) and a reception (Rx) beam for a new TCI state are known by the UE. Based on the determination, the UE calculates a time delay of the UE to be prepared to receive a reference signal with the new TCI state, generates a second message indicating the time delay of the UE for the new TCI state, and transmits the second message to the network.Type: GrantFiled: September 27, 2023Date of Patent: April 22, 2025Assignee: Apple Inc.Inventors: Manasa Raghavan, Jie Cui, Yushu Zhang, Andrey Chervyakov, Yang Tang
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Patent number: 12284660Abstract: 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: GrantFiled: September 28, 2023Date of Patent: April 22, 2025Assignee: Apple Inc.Inventors: Gang Xiong, Jeongho Jeon, Joonyoung Cho, Debdeep Chatterjee, Sergey Panteleev, Yushu Zhang
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Patent number: 12278788Abstract: This disclosure relates to techniques for performing wireless communications including determination of actual time windows for maintaining power consistency and/or phase continuity associated with transmission between a user equipment (UE) and a base station. Techniques for determining the length, begging, and end of such windows are disclosed. A UE and/or base station may use various rules to determine the window(s).Type: GrantFiled: September 23, 2021Date of Patent: April 15, 2025Assignee: Apple Inc.Inventors: Chunhai Yao, Chunxuan Ye, Dawei Zhang, Haitong Sun, Hong He, Oghenekome Oteri, Seyed Ali Akbar Fakoorian, Wei Zeng, Weidong Yang, Yushu Zhang
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Patent number: 12279285Abstract: This disclosure relates to techniques for improving capability signaling and performing search space set switching, particularly with large sub-carrier spacings, as in high frequency ranges. In various scenarios, a user equipment (UE) device may signal its capability to perform multi-slot PDCCH monitoring and/or single-slot PDCCH monitoring, e.g., at various sub-carrier spacings, for various PDCCH/DCI types, etc. Various technical difficulties in this area are addressed, including increasing flexibility and versatility in capability signaling, overbooking, signaling and timing of search space set switching, and beam sweeping transmission of DCI Format 2_0, among others.Type: GrantFiled: April 6, 2021Date of Patent: April 15, 2025Assignee: Apple Inc.Inventors: Oghenekome Oteri, Huaning Niu, Chunhai Yao, Chunxuan Ye, Dawei Zhang, Hong He, Seyed Ali Akbar Fakoorian, Sigen Ye, Wei Zeng, Weidong Yang, Yushu Zhang, Wenshu Zhang, Wei Zhang, Haitong Sun
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Patent number: 12279218Abstract: A base station that determines a slot for uplink reception for a non-terrestrial network link between a base station and a user equipment is described. In exemplary embodiments, the base station determines a timing advance based on at least a random access preamble reception and determines an uplink offset based on the timing advance. The base station may further determine a candidate slot for an uplink reception based on at least the offset. In addition, the base station may determine if the candidate slot is available for the uplink reception. The base station may use the candidate slot for the uplink reception when the candidate uplink slot is available and may use the next available slot for the uplink reception when the candidate uplink slot is not available.Type: GrantFiled: August 7, 2020Date of Patent: April 15, 2025Assignee: 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
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Patent number: 12279312Abstract: Apparatuses, systems, and methods for downlink control resources sets and RACH procedures during initial access in wireless communication, e.g., in 5G NR systems and beyond, including methods for CORESET#0 configuration, SSB/CORESET #0 multiplexing pattern 1 for mixed SCS, time-domain ROs determination for 480 kHz/960 kHz SCSs, and RA-RNTI determination for 480 kHz/960 kHz SCSs.Type: GrantFiled: August 6, 2021Date of Patent: April 15, 2025Assignee: Apple Inc.Inventors: Hong He, Dawei Zhang, Haitong Sun, Huaning Niu, Oghenekome Oteri, Seyed Ali Akbar Fakoorian, Sigen Ye, Wei Zeng, Yushu Zhang