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    Power saving for user equipment through sidelink resource allocation
    151.
    发明授权
    Power saving for user equipment through sidelink resource allocation 有权

    公开(公告)号：US12200622B2

    公开(公告)日：2025-01-14

    申请号：US17438669

    申请日：2020-10-21

    Applicant: Apple Inc.

    Inventor： Chunxuan Ye ,  Chunhai Yao ,  Dawei Zhang ,  Haitong Sun ,  Hong He ,  Huaning Niu ,  Jia Tang ,  Oghenekome Oteri ,  Sigen Ye ,  Wei Zeng ,  Weidong Yang ,  Yushu Zhang

    IPC: H04W4/00 ,  H04W52/02

    Abstract: A user equipment (UE) configured to determine a resource selection window which identifies a first set (e.g., a total set) of candidate resources. The UE may then remove one or more candidate resources from the first set of candidate resources in response to receiving sidelink control information (SCI) from a pedestrian UE with a reservation of the one or more first candidate resources. After removal of these candidate resources from the initial or first set based on their presumed unavailability, the result may be a second set of candidate resources, which may be a subset of the initial or first set for use in communicating with a third UE. The UE may also be configured to remove candidate resources based on a reference signal receive power (RSRP) threshold which can also be adjusted based on a maximum value or a highest priority of the pedestrian UE's data.

    Methods and apparatus for configuring W1, W2, and WF for port selection codebook enhancement
    156.
    发明授权
    Methods and apparatus for configuring W1, W2, and WF for port selection codebook enhancement 有权

    公开(公告)号：US12185142B2

    公开(公告)日：2024-12-31

    申请号：US18476711

    申请日：2023-09-28

    Applicant: APPLE INC.

    Inventor： Haitong Sun ,  Chunhai Yao ,  Dawei Zhang ,  Hong He ,  Seyed Ali Akbar Fakoorian ,  Wei Zeng ,  Weidong Yang ,  Yushu Zhang

    IPC: H04W24/08 ,  H04L5/00

    Abstract: Apparatus and methods are provided for port selection codebook configuration. A user equipment (UE) may decode a channel state information (CSI) report configuration (CSI-ReportConfig) from a base station. The CSI-ReportConfig configuring a port selection codebook comprising a port selection matrix W1, a combinational coefficient matrix W2, and a frequency basis selection matrix Wf. Based on the CSI-ReportConfig, the determines, for the port selection matrix W1, up to L CSI reference signal (CSI-RS) ports out of P CSI-RS ports configured for measuring and reporting CSI. For the frequency basis selection matrix Wf, the UE determines up to Mv frequency basis out of N frequency basis. For the combinational coefficient matrix W2, the UE determines up to L*Mv entries per layer. The UE reports one or more of the port selection matrix W1, the combinational coefficient matrix W2, and the frequency basis selection matrix Wf to the base station.

    Interruption and measurement exception with SMTC2-LP in idle and inactive RRM
    159.
    发明授权
    Interruption and measurement exception with SMTC2-LP in idle and inactive RRM 有权

    公开(公告)号：US12167286B2

    公开(公告)日：2024-12-10

    申请号：US17593706

    申请日：2021-04-15

    Applicant: APPLE INC.

    Inventor： Jie Cui ,  Yushu Zhang ,  Chunxuan Ye ,  Dawei Zhang ,  Haitong Sun ,  Hong He ,  Manasa Raghavan ,  Oghenekome Oteri ,  Weidong Yang ,  Yang Tang

    IPC: H04W36/00 ,  H04W48/16

    Abstract: Systems and methods disclosed herein describe the use of synchronization signal/physical broadcast channel block measurement time configuration (SMTC) 2 low power (SMTC2-LP) configuration(s). For cell measurements, a UE may determine that an SMTC2-LP configuration for one or more carriers of one or more target cells is known, determine a periodicity of SMTC occasions of the carrier(s) based on data found in the SMTC2-LP configuration(s), and cancel a cell measurement of an inter-frequency cell based at least in part on the periodicity of the SMTC occasion(s). For cell re-selection, a UE may determine that an SMTC2-LP configuration for a carrier being used at a target cell is known and that a physical cell identity (PCI) of the target cell is found in data of the SMTC2-LP configuration, determine a maximum paging interruption time using this periodicity, and perform a cell reselection to the target cell within this time.

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