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    P-BSR ENHANCEMENTS FOR IAB NETWORKS TO IMPROVE E2E LATENCY
    212.
    发明公开
    P-BSR ENHANCEMENTS FOR IAB NETWORKS TO IMPROVE E2E LATENCY 审中-公开

    公开(公告)号：US20230180212A1

    公开(公告)日：2023-06-08

    申请号：US17593680

    申请日：2021-01-14

    Applicant: APPLE INC.

    Inventor： Sarma V. Vangala ,  Fangli Xu ,  Haijing Hu ,  Murali Narasimha ,  Naveen Kumar R Palle Venkata ,  Ralf Rossbach ,  Sethuraman Gurumoorthy ,  Sree Ram Kodali ,  Yuqin Chen ,  Zhibin Wu

    IPC: H04W72/1263 ,  H04W28/02

    CPC classification number: H04W72/1263 ,  H04W28/0278

    Abstract: Systems and methods for enhancing the use of pre-emptive buffer status reports (pre-BSRs) in wireless communications systems implementing integrated access and backhaul (IAB) networks are disclosed herein. In some cases, an IAB node can re-classify the LCGs of one or more incoming data flows according to such pre-BSR usage. This may involve the use of and extended medium access control (MAC) control element (MAC CE) having more LCG bits than previously contemplated, having sub-LCG bits, or that includes further LCG classification information bits. Other embodiments use a priority index for LCGs in an extended pre-BSR MAC CE. The priority index may include one or more of a priority field, a prioritized bit rate (PBR), and/or a bucket size duration (BSD) that is reported to an IAB donor. Other embodiments leverage the provision of additional grants from an IAB node to a child IAB node to reduce unwanted pre-BSR effects.

    Cellular Network Which Selectively Configures a Measurement Gap Based on Subcarrier Spacing
    215.
    发明公开
    Cellular Network Which Selectively Configures a Measurement Gap Based on Subcarrier Spacing 审中-公开

    公开(公告)号：US20230156542A1

    公开(公告)日：2023-05-18

    申请号：US17916918

    申请日：2020-04-16

    Applicant: Apple Inc.

    Inventor： Yuqin Chen ,  Dawei Zhang ,  Fangli Xu ,  Haijing Hu ,  Jie Cui ,  Yang Tang ,  Zhibin Wu

    IPC: H04W36/00 ,  H04L5/00

    CPC classification number: H04W36/0088 ,  H04L5/0096

    Abstract: A system for determining and reporting user equipment (UE) time gap requirement information for performing a measurement on a reference signal provided by a target base station. A UE receives a radio resource control (RRC) message from a current base station to modify a current RRC connection. The RRC configuration message may comprise sub carrier spacing (SCS) information of one or more target frequency bands of at least one target base station. The UE may then determine gap information based at least in part on the received SCS information of the one or more target frequency bands. The gap information may indicate whether a gap is needed in performing measurements on a reference signal transmitted at each of the one or more target frequency bands. The UE then transmits the gap information to the current base station.

    MOBILITY STATE-BASED SDT PROCEDURES
    218.
    发明申请
    MOBILITY STATE-BASED SDT PROCEDURES 有权

    公开(公告)号：US20230102755A1

    公开(公告)日：2023-03-30

    申请号：US17593229

    申请日：2021-03-31

    Applicant: APPLE INC.

    Inventor： Fangli Xu ,  Dawei Zhang ,  Haijing Hu ,  Sethuraman Gurumoorthy ,  Srirang A. Lovlekar ,  Yuqin Chen ,  Zhibin Wu

    IPC: H04W76/27 ,  H04W76/30 ,  H04W8/02

    Abstract: Systems and methods for small data transmissions (SDTs) between a user equipment (UE) and a network are disclosed herein. In some embodiments, the UE determines whether to perform an SDT procedure by comparing its own mobility state to an SDT mobility state condition provided by the network. The UE may also determine whether to perform the SDT procedure by comparing the size of user plane (UP) data to be sent with the SDT procedure to an SDT mobility-based data amount threshold provided by the network. Upon entering an RRC_INACTIVE state, the UE may start a validity timer relative to any such SDT mobility state condition and/or SDT mobility-based data amount threshold, and invalidate these once the validity timer expires. In some disclosed embodiments, the UE reports its determined mobility state to the network during an SDT procedure so that the network can accordingly select configuration parameters for SDT procedures.

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