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    Measurement gap timing for new radio dual connectivity
    151.
    发明授权
    Measurement gap timing for new radio dual connectivity 有权

    公开(公告)号：US11856438B2

    公开(公告)日：2023-12-26

    申请号：US17593279

    申请日：2021-01-13

    Applicant: Apple Inc.

    Inventor： Jie Cui ,  Dawei Zhang ,  Haitong Sun ,  Hong He ,  Huaning Niu ,  Manasa Raghavan ,  Qiming Li ,  Xiang Chen ,  Yang Tang ,  Yushu Zhang

    IPC: H04W24/10 ,  H04W36/00

    CPC classification number: H04W24/10

    Abstract: A user equipment (UE) is configured to establish a network connection including a new radio (NR)-NR dual connectivity band combination wherein a primary cell (PCell) of a primary cell group (PCG) and a primary secondary cell (PSCell) of a secondary cell group (SCG) both operate on frequency range 1 (FR1) and wherein at least one cell of either the PCG or the SCG operates on frequency range 2 (FR2). The UE receives a measurement gap timing advance parameter, selects one subframe from multiple serving cell subframes and determines a starting point for a configured per-frequency range (FR) measurement gap based on the measurement gap timing advance parameter and the selected subframe.

    Configuring Listen Before Talk and Short Control Signaling in Unlicensed Spectrum
    155.
    发明公开
    Configuring Listen Before Talk and Short Control Signaling in Unlicensed Spectrum 审中-公开

    公开(公告)号：US20230337277A1

    公开(公告)日：2023-10-19

    申请号：US17438242

    申请日：2021-07-22

    Applicant: Apple Inc.

    Inventor： Huaning Niu ,  Dawei Zhang ,  Xiang Chen ,  Yang Tang ,  Jie Cui ,  Manasa Raghavan ,  Qiming Li ,  Oghenekome Oteri ,  Wei Zeng ,  Haitong Sun ,  Hong He ,  Yushu Zhang ,  Weidong Yang ,  Sigen Ye

    IPC: H04W74/08

    CPC classification number: H04W74/0808

    Abstract: This disclosure relates to techniques for configuring listen before talk and short control signaling in unlicensed spectrum in a wireless communication system. A wireless device may establish a wireless link with a cellular base station on a cell in unlicensed spectrum. The wireless device may receive listen-before-talk configuration information, where the listen-before-talk configuration information indicates whether listen-before-talk is configured for the wireless link. The wireless device may receive short control signaling configuration information, where the short control signaling configuration information indicates whether short control signaling is enabled for one or more types of control signaling. The wireless device may perform short control signaling with the cellular base station on the wireless link when short control signaling is enabled. The short control signaling performed between the cellular base station and the wireless device may include either or both of uplink transmissions or downlink transmissions.

    Dual Active Protocol Stack Handovers Above 24 GHz
    156.
    发明公开
    Dual Active Protocol Stack Handovers Above 24 GHz 审中-公开

    公开(公告)号：US20230337094A1

    公开(公告)日：2023-10-19

    申请号：US17438179

    申请日：2021-05-10

    Applicant: Apple Inc.

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

    IPC: H04W36/18 ,  H04W36/00

    CPC classification number: H04W36/18 ,  H04W36/00725

    Abstract: Apparatuses, systems, and methods for performing dual active protocol stack handovers in a frequency range above 24 GHz. A UE may transmit an indication to a base station indicating a dual active protocol stack (DAPS) handover capability of the UE corresponding to a frequency range (FR) above 24 GHz. The UE may receive, from a target cell of the one or more cells, a command to perform a DAPS handover from a source cell to the target cell. While performing the DAPS handover and maintaining a data connection with the source cell, the UE may perform measurements on the target cell followed by a physical random access channel (PRACH) procedure. The UE may then receive a source cell release command from the target cell and release the data connection with the source cell.

    CSSF Design for UE with NeedForGap Capability
    158.
    发明公开
    CSSF Design for UE with NeedForGap Capability 审中-公开

    公开(公告)号：US20230284057A1

    公开(公告)日：2023-09-07

    申请号：US17917861

    申请日：2021-10-21

    Applicant: Apple Inc.

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

    IPC: H04W24/10 ,  H04W56/00

    CPC classification number: H04W24/10 ,  H04W56/0015

    Abstract: Methods, apparatuses, and systems are disclosed for configuring measurement timings in connection with UEs that are capable of signaling whether a measurement gap (MG) is needed to measure a target frequency carrier. For example, a measurement period may be determined for the target frequency carrier based on the UE indicating that it supports per-frequency range (FR) MGs, and determining that the FR of the target frequency carrier does not include any current serving cell(s). If the UE indicates that no MG is needed to measure the target frequency carrier, then the measurement period may be based on an SMTC, and may be further based on a predefined effective measurement gap repetition period (MGRP). If the UE indicates that a MG is needed, then the measurement period may be based on the SMTC, and may be further based on the effective MGRP or a per-UE MGRP.

    Wireless Device Scheduling Availability During Neighbor Cell Measurements
    159.
    发明公开
    Wireless Device Scheduling Availability During Neighbor Cell Measurements 审中-公开

    公开(公告)号：US20230276282A1

    公开(公告)日：2023-08-31

    申请号：US17437788

    申请日：2021-04-27

    Applicant: Apple Inc.

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

    IPC: H04W24/10 ,  H04L5/00 ,  H04W8/22

    CPC classification number: H04W24/10 ,  H04L5/0051 ,  H04W8/22

    Abstract: This disclosure relates to techniques for aligning wireless device and cellular network expectations and behavior in conjunction with neighbor cell measurements in a wireless communication system. A wireless device may determine that a reference signal is configured for a neighbor cell measurement when communication with the serving cell is also configured. The wireless device may determine whether the reference signal for the neighbor cell measurement is configured with same or different subcarrier spacing as the communication with the serving cell. The wireless device may select one or more of the reference signal for the neighbor cell measurement or the communication with the serving cell to receive based at least in part on whether the reference signal for the neighbor cell measurement is configured with same or different subcarrier spacing as the communication with the serving cell.

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