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    SMALL GAP DURING UPLINK SWITCH IN MULTI-TRP
    153.
    发明公开
    SMALL GAP DURING UPLINK SWITCH IN MULTI-TRP 审中-公开

    公开(公告)号：US20230361946A1

    公开(公告)日：2023-11-09

    申请号：US17441399

    申请日：2021-01-15

    申请人： Apple Inc.

    发明人： Qiming LI ,  Dawei ZHANG ,  Huaning NIU ,  Jie CUI ,  Manasa RAGHAVAN ,  Xiang CHEN ,  Yang TANG ,  Yushu ZHANG

    IPC分类号： H04L5/00 ,  H04W52/36

    CPC分类号： H04L5/0035 ,  H04W52/367

    摘要： Apparatuses, systems, and methods for providing downlink control for multi-TRP transmission. A wireless device, comprising: at least one antenna; at least one radio coupled to the at least one antenna; and a processor coupled to the at least one radio and configured to cause the wireless device to: determine a gap period is to be applied between a first uplink transmission to a cellular base station via a first transmission reception point (TRP) and a second uplink transmission to the cellular base station via a second TRP; and perform the first and second uplink transmissions consecutively with the gap period applied between them.

    CSI-RS ENHANCEMENT FOR PORT SELECTION CODEBOOK WITH CHANNEL RECIPROCITY
    154.
    发明公开
    CSI-RS ENHANCEMENT FOR PORT SELECTION CODEBOOK WITH CHANNEL RECIPROCITY 审中-公开

    公开(公告)号：US20230361829A1

    公开(公告)日：2023-11-09

    申请号：US17442035

    申请日：2021-02-10

    申请人： Apple Inc.

    发明人： Haitong SUN ,  Dawei ZHANG ,  Wei ZENG ,  Yushu ZHANG ,  Hong HE ,  Chunxuan YE ,  Huaning NIU ,  Weidong YANG ,  Oghenekome OTERI ,  Jie CUI

    IPC分类号： H04B7/06 ,  H04W76/20

    CPC分类号： H04B7/0626 ,  H04W76/20

    摘要： The present disclosure relates to apparatus, methods, computer-readable storage medium and computer program product for CSI-RS enhancement for Port Selection Codebook with Channel Reciprocity. A cellular base station, comprising: at least one antenna; at least one radio coupled to the at least one antenna; and a processor coupled to the at least one radio; wherein the cellular base station is configured to: provide a Radio Resource Control (RRC) message to a wireless device; and provide a Channel State Information-Reference Signal (CSI-RS) to the wireless device via one or more ports based on the RRC message, wherein, the RRC message at least indicates one or more of: information on a density of the CSI-RS, information on time domain locations of the CSI-RS, information on a subset of ports for the wireless device to measure the CSI-RS, and information on a subset of Code Division Multiplexing (CDM) groups for the wireless device to measure the CSI-RS.

    SEMI-STATIC CHANNEL ACCESS FOR TRAFFIC WITH DIFFERENT PRIORITIES
    159.
    发明公开
    SEMI-STATIC CHANNEL ACCESS FOR TRAFFIC WITH DIFFERENT PRIORITIES 审中-公开

    公开(公告)号：US20230239928A1

    公开(公告)日：2023-07-27

    申请号：US17442535

    申请日：2020-10-16

    申请人： Apple Inc.

    发明人： Oghenekome OTERI ,  Huaning NIU ,  Weidong YANG ,  Sigen YE ,  Haitong SUN ,  Chuxuan YE ,  Chunhai YAO ,  Hong HE ,  Wei ZENG ,  Dawei ZHANG

    IPC分类号： H04W74/08

    CPC分类号： H04W74/0825

    摘要： Current 5G provisions for wireless communications do not allow for the differentiation of channel access by User Equipments (UEs) with different priorities. Approaches are described by which priority access for UEs in a controlled environment using frame based equipment (FBE), and in particular for different UEs or the same UE that has different configured grants. The approaches are particularly helpful for ultra-reliable low-latency communication (URLLC) UEs. In one approach, the UE performs a clear channel assessment (CCA) in an idle period before the fixed frame period (FFP), followed by a channel access priority test. In an alternative approach, the UE performs a channel access priority test before the UE performs a clear channel assessment (CCA) in an idle period before the fixed frame period (FFP). Other approaches include setting the fixed frame period length to different sizes for each UE, using a random number of skipped fixed frame periods, and the gNB configuring UEs with multiple semi-static channel access mode parameters.

    RACH CONFIGURATION IN L1/L2 MOBILITY
    160.
    发明公开
    RACH CONFIGURATION IN L1/L2 MOBILITY 审中-公开

    公开(公告)号：US20230232290A1

    公开(公告)日：2023-07-20

    申请号：US17593413

    申请日：2021-04-02

    申请人： APPLE INC.

    发明人： Jie CUI ,  Dawei ZHANG ,  Hong HE ,  Huaning NIU ,  Manasa RAGHAVAN ,  Qiming LI ,  Xiang CHEN ,  Yang TANG ,  Haitong SUN ,  Yushu ZHANG

    IPC分类号： H04W36/00 ,  H04W74/08

    CPC分类号： H04W36/0077 ,  H04W36/0016 ,  H04W74/0833

    摘要： Devices, systems, and methods for Random Access Channel (RACH) configuration in Layer 1 (L1)/Layer 2 (L2) mobility. A user equipment (UE) may obtain a downlink (DL) Transmission Configuration Indicator (TCI) list from a first Transmission and Reception Point (TRP). The DL TCI list may include DL beam information, RACH Occasion (RO) information, and initial Bandwidth Part (BWP) information associated with each DL TCI of a plurality of DL TCIs related to the first TRP and multiple TRPs adjacent to the first TRP. The UE may receive a handover command from the first TRP via Downlink Control Information (DCI) in Li or Media Access Control (MAC) Control Element (CE) in L2. The handover command indicates a handover from the first TRP to a second TRP of the multiple TRPs for the UE, and includes a specified DL TCI related to the second TRP. The UE may determine RACH information related to the second TRP, based at least partly on the specified DL TCI related to the second TRP included in the handover command and the DL TCI list. The UE may then perform random access to the second TRP based on the RACH information related to the second TRP. The RACH information may include uplink (UL) beam information, RO information and Bandwidth Part (BWP) information for the UE to perform random access to the second TRP.