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    ENHANCEMENT FOR HIGH SPEED TRAIN MEASUREMENTS AND SIGNALING
    73.
    发明公开
    ENHANCEMENT FOR HIGH SPEED TRAIN MEASUREMENTS AND SIGNALING 审中-公开

    公开(公告)号：US20240098606A1

    公开(公告)日：2024-03-21

    申请号：US17765615

    申请日：2021-04-02

    Applicant: Apple Inc.

    Inventor： Qiming Li ,  Huaning Niu ,  Jie Cui ,  Yang Tang ,  Dawei Zhang ,  Xiang Chen ,  Manasa Raghavan

    IPC: H04W36/32 ,  H04W36/00 ,  H04W56/00

    CPC classification number: H04W36/32 ,  H04W36/0094 ,  H04W56/0015

    Abstract: The present disclosure relates to apparatus, methods, computer-readable storage medium and computer program product for high speed train measurements and signaling. 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; wherein the processor is configured to: receive, via the at least one radio, at least one Radio Resource Control (RRC) signaling from a cellular base station, the at least one RRC signaling at least comprises one or more information element (IE) of a group of IEs, wherein, the group of IEs at least includes a first IE indicating to enable or disable enhancement on a Secondary Cell (SCell) in Frequency Range 2 (FR2), and a second IE indicating to enable or disable enhancement on a Primary Secondary Cell (PSCell); and perform enhancement on one or more corresponding cells in response to the received at least one RRC signaling, wherein, the enhancement comprises determining a reduced time period for Primary Synchronization Signal (PSS)/Secondary Synchronization Signal (SSS) detection and/or determining a reduced time period for intra-frequency measurements.

    UE REFERENCE TIMING FOR CFRA ON SERVING CELL
    77.
    发明公开
    UE REFERENCE TIMING FOR CFRA ON SERVING CELL 审中-公开

    公开(公告)号：US20240023159A1

    公开(公告)日：2024-01-18

    申请号：US18475938

    申请日：2023-09-27

    Applicant: APPLE INC.

    Inventor： Jie Cui ,  Qiming Li ,  Dawei Zhang ,  Hong HE ,  Hongbo YAN ,  Huaning NIU ,  Manasa RAGHAVAN ,  Shengshan CUI ,  Xiang CHEN ,  Yang TANG

    IPC: H04W74/04 ,  H04W56/00 ,  H04W74/00

    CPC classification number: H04W74/04 ,  H04W56/0045 ,  H04W74/004

    Abstract: Systems and methods for determining a timing of a random access channel (RACH) occasion (RO) used to transmit a contention free random access (CFRA) preamble triggered by the receipt of a physical downlink control channel (PDCCH) order in a PDCCH are disclosed herein. A user equipment (UE) receives the PDCCH order and determines a timing offset value between the RO and a signal (e.g., a synchronization signal block (SSB), the PDCCH, a reference signal, etc.) to be used as a timing source. The UE also determines the arrival time of the signal to be used at the timing source. The UE then determines a time of the RO (during which the CFRA preamble will be transmitted) according to the arrival time and the timing offset value. Timing advance (TA) value(s) may also be accounted for as part of such a determination.

    Dynamic Measurement Gap Operation
    79.
    发明公开
    Dynamic Measurement Gap Operation 审中-公开

    公开(公告)号：US20230345447A1

    公开(公告)日：2023-10-26

    申请号：US17593840

    申请日：2021-01-14

    Applicant: Apple Inc.

    Inventor： Qiming Li ,  Dawei Zhang ,  Jie Cui ,  Yang Tang ,  Yushu Zhang ,  Yuqin Chen ,  Huaning Niu ,  Manasa Raghavan ,  Xiang Chen

    IPC: H04W72/11 ,  H04W24/10

    CPC classification number: H04W72/11 ,  H04W24/10

    Abstract: Aspects herein relate to wireless devices, circuits, and methods for indicating, by a wireless device, to a wireless station, an ability to support semi-persistent (SP) measurement gap (MG) configuration; receiving, from the wireless station, a SP MG configuration; receiving, from the wireless station, a message to activate the SP MG configuration; performing, in response to receiving the message to activate the SP MG configuration, a target carrier frequency measurement, wherein the target carrier frequency measurement is performed in accordance with the activated SP MG configuration; receiving from the wireless station, a message to deactivate the SP MG configuration; and discontinuing, in response to receiving the message to deactivate the SP MG configuration, the performance of the target carrier frequency measurement. In other aspects, the wireless device may indicate, to the wireless station, an ability to support aperiodic (AP) MG configuration, which does not require explicit deactivation by the wireless station.

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