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    TIMING ADVANCE VALIDATION ENHANCEMENTS IN CONFIGURED GRANT SMALL DATA TRANSMISSIONS
    2.
    发明申请
    TIMING ADVANCE VALIDATION ENHANCEMENTS IN CONFIGURED GRANT SMALL DATA TRANSMISSIONS 有权

    公开(公告)号：US20250142504A1

    公开(公告)日：2025-05-01

    申请号：US18837318

    申请日：2022-02-11

    Applicant: APPLE INC.

    Inventor： Jie Cui ,  Manasa Raghavan ,  Dawei Zhang ,  Yang Tang ,  Chunhai Yao ,  Qiming Li ,  Xiang Chen ,  Hong He ,  Yushu Zhang ,  Fangli Xu

    IPC: H04W56/00 ,  H04B17/318 ,  H04W76/28

    Abstract: Systems and methods for performing timing advance (TA) validation at a user equipment (UE) for a TA to be used when transmitting a configured grant small data transmission (CG-SDT). Mechanisms for bounding one or more measurement windows during which one or more synchronization signal blocks are measured during a reference signal received power (RSRP) measurement method of the TA validation are discussed, and may be set using information corresponding to timing drift due to relativistic effects, clock differences between a UE and a base station, and/or information about a UE discontinuous reception (DRX) cycle. Further, time interval limitations between various events attendant to such an RSRP measurement method are discussed as being determined using information corresponding to timing drift due to relativistic effects, clock differences between a UE and a base station, information about a DRX cycle used at the UE, and/or a maximum TA timer duration.

    PRECONFIGURED MEASUREMENT GAP ENHANCEMENT
    5.
    发明申请
    PRECONFIGURED MEASUREMENT GAP ENHANCEMENT 有权

    公开(公告)号：US20250071632A1

    公开(公告)日：2025-02-27

    申请号：US18725114

    申请日：2022-01-06

    Applicant: Apple Inc.

    Inventor： Yuqin Chen ,  Fangli Xu ,  Haijing Hu ,  Qiming Li ,  Yang Tang

    IPC: H04W36/00

    Abstract: Provided is a method performed by a user equipment (UE), comprising: receiving, from a network (NW) comprising a master node (MN) and a secondary node (SN), one or more messages comprising pre-configured measurement gap (pre-MG) configurations for at least one pre-MG, wherein the UE is in dual connectivity (DC) with the MN and the SN; and determining, from the pre-MG configurations, respective pre-MG statuses for the at least one pre-MG, wherein the MN comprises a master cell group (MCG) and the SN comprises a secondary cell group (SCG).

    Mitigation of listen before talk conflicts in the unlicensed spectrum
    6.
    发明授权
    Mitigation of listen before talk conflicts in the unlicensed spectrum 有权

    公开(公告)号：US12177897B2

    公开(公告)日：2024-12-24

    申请号：US17437768

    申请日：2021-03-31

    Applicant: Apple Inc.

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

    IPC: H04W74/0808

    Abstract: Apparatuses, systems, and methods for mitigation of listen before talk conflicts in the unlicensed spectrum. A wireless device may receive one or more synchronization signal blocks (SSBs) from a base station (BS) as part of a measurement procedure with listen before talk (LBT). The wireless device may determine one or more LBT failures associated with one or more receive beams of the wireless device. Furthermore, in response to determining the one or more LBT failures associated with the one or more receive beams of the wireless device, the wireless device may extend a measurement period for the one or more receive beams of the wireless device. The wireless device may then receive one or more additional SSBs on the one or more receive beams of the wireless device.

    Connectivity enhancement
    8.
    发明授权
    Connectivity enhancement 有权

    公开(公告)号：US12167499B2

    公开(公告)日：2024-12-10

    申请号：US17289637

    申请日：2019-10-28

    Applicant: Apple Inc.

    Inventor： Qiming Li ,  Hua Li ,  Rui Huang ,  Jie Cui ,  Yang Tang

    IPC: H04W8/24 ,  H04W72/51 ,  H04W76/15 ,  H04W88/06

    Abstract: Methods, systems, and storage media described herein may have the complexity to support simultaneous communications (e.g., transmission/reception to/from) with two or more cells. Therefore, before configuring a handover, the network needs to know if these methods, systems, and storage media can support simultaneous communication with multiple cells or not. Among other things, these methods, systems, and storage media can reduce the interruption time during handovers for when these methods, systems, and storage media are capable of such simultaneous communication.

    PRIORITIZATION MECHANISM FOR SRS ANTENNA PORT SWITCHING
    9.
    发明申请
    PRIORITIZATION MECHANISM FOR SRS ANTENNA PORT SWITCHING 有权

    公开(公告)号：US20240405827A1

    公开(公告)日：2024-12-05

    申请号：US18697335

    申请日：2021-10-08

    Applicant: APPLE INC.

    Inventor： Jie Cui ,  Dawei Zhang ,  Hong He ,  Huaning Niu ,  Manasa Raghavan ,  Qiming Li ,  Seyed Ali Akbar Fakoorian ,  Xiang Chen ,  Yang Tang ,  Yushu Zhang

    IPC: H04B7/06 ,  H04B17/318 ,  H04W72/21

    Abstract: Systems and methods for networks having user equipment (UE) that can perform measurement/reporting of received signals and a sounding reference signal (SRS) transmission that is part of an SRS antenna port switching procedure are described herein. In some circumstances, the measurement and the SRS antenna port switching procedure overlap on one or more symbols. Across various embodiments, the UE prioritizes one of the measurement and the SRS antenna port switching procedure based on one or more of a scheduling type (periodic, semi-persistent, aperiodic) of the measurement, a scheduling type of a channel state information (CSI) report for a measurement result for the measurement, and/or a scheduling type of the SRS transmission of the SRS antenna port switching procedure. Networks that avoid overlaps by scheduling SRS transmissions away from UE signal measurements, or transmissions of signals to be measured away from UE SRS antenna port switching procedures, are also described.

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