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    Hybrid measurement gap operation
    2.
    发明授权
    Hybrid measurement gap operation 有权

    公开(公告)号：US12256254B2

    公开(公告)日：2025-03-18

    申请号：US17440444

    申请日：2021-01-15

    Applicant: Apple Inc.

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

    IPC: H04W24/10 ,  H04W24/08

    Abstract: Apparatuses, systems, and methods for hybrid measurement gap operation. A network-side device may provide a hybrid measurement gap (MG) configuration to a wireless device, the hybrid measurement gap (MG) configuration scheduling measurement operation of the wireless device in accordance with hybrid measurement gap patterns. The wireless device may receive the hybrid measurement gap (MG) configuration, and thus perform measurement operation based on the hybrid measurement gap patterns as scheduled.

    Gradual Timing Adjustment for Wireless Devices in a Non-Terrestrial Network
    5.
    发明申请
    Gradual Timing Adjustment for Wireless Devices in a Non-Terrestrial Network 有权

    公开(公告)号：US20250071710A1

    公开(公告)日：2025-02-27

    申请号：US18726251

    申请日：2022-01-06

    Applicant: Apple Inc.

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

    IPC: H04W56/00 ,  H04W84/06

    Abstract: This disclosure relates to techniques for a wireless device to perform gradual timing adjustments in a non-terrestrial wireless communication system. According to the techniques described herein, a wireless device may establish a non-terrestrial network based wireless link with a cellular base station. The wireless device may detect a trigger for changing a gradual timing adjustment rate from a first gradual timing adjustment rate to a second gradual timing adjustment rate. The wireless device may determine a time window for which to perform gradual timing adjustment at the second gradual timing adjustment rate. The wireless device may perform gradual timing adjustment at the second gradual timing adjustment rate for the time window.

    Inter Radio Access Technology Measurement without Measurement Gap
    6.
    发明申请
    Inter Radio Access Technology Measurement without Measurement Gap 有权

    公开(公告)号：US20250071589A1

    公开(公告)日：2025-02-27

    申请号：US18726402

    申请日：2022-01-06

    Applicant: APPLE INC.

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

    IPC: H04W24/10 ,  H04W74/0808

    Abstract: This disclosure relates to techniques for performing inter radio access technology measurements without a measurement gap in a wireless communication system. A wireless device and a cellular base station may establish a wireless link according to a first radio access technology. The cellular base station may indicate to the wireless device to perform inter radio access technology measurements. The wireless device may determine that it is capable of performing the inter radio access technology measurements without a measurement gap. The wireless device may provide capability information to the cellular base station indicating that the wireless device is capable of performing the inter radio access technology measurements without a measurement gap. The wireless device may perform the inter radio access technology measurements without a measurement gap.

    Cross-cell beam failure recovery
    8.
    发明授权
    Cross-cell beam failure recovery 有权

    公开(公告)号：US12231204B2

    公开(公告)日：2025-02-18

    申请号：US17442108

    申请日：2020-08-04

    Applicant: Apple Inc.

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

    IPC: H04B7/06 ,  H04W24/08 ,  H04W56/00 ,  H04W74/0833 ,  H04W76/19 ,  H04W36/08

    Abstract: This disclosure relates to performing beam failure recovery during an inter-cell connection involving a UE in communication with one or more base stations in a cellular communication system. In various embodiments, a user equipment determines one or more beam failures by monitoring one or more reference signals transmitted by one or more base stations, where the UE is connected to the one or more base stations. The UE further performs candidate beam detection by monitoring at least one candidate reference signal that is transmitted by one or more candidate base stations, where at least one candidate base station (a first candidate base station) is different from the one or more base stations to which the UE was previously communicating. The UE selects the first candidate base station based on the candidate beam detection, and transmits a beam failure recovery request (BFRQ) message to the first candidate base station based on the selection.

    Handover enhancement with simultaneous UE transmission beams
    9.
    发明授权
    Handover enhancement with simultaneous UE transmission beams 有权

    公开(公告)号：US12231199B2

    公开(公告)日：2025-02-18

    申请号：US17593674

    申请日：2020-04-30

    Applicant: Apple Inc.

    Inventor： Jie Cui ,  Zhibin Yu ,  Yang Tang ,  Qiming Li ,  Qing Xu

    IPC: H04B7/06 ,  H04W36/00 ,  H04W36/08

    Abstract: Exemplary embodiments include methods performed by a user equipment (UE). The methods include transmitting two transmission (Tx) streams simultaneously, wherein the two Tx streams are transmitted by two distinct Tx polarization circuitries within a same UE antenna panel circuitry as two Tx polarizations. The methods also include identifying a first signal, identifying a second signal, transmitting the first signal in a first direction using a first polarization of an antenna panel and transmitting the second signal in a second direction using a second polarization of the antenna panel.

    Methods and systems for radio link monitoring for high speed scenario
    10.
    发明授权
    Methods and systems for radio link monitoring for high speed scenario 有权

    公开(公告)号：US12225393B2

    公开(公告)日：2025-02-11

    申请号：US17431286

    申请日：2020-02-21

    Applicant: Apple Inc.

    Inventor： Yuhan Zhou ,  Qiming Li ,  Shuang Tian ,  Jie Cui ,  Rui Huang ,  Yang Tang

    IPC: H04W24/08 ,  H04L1/20 ,  H04W24/02

    Abstract: Some embodiments of this disclosure include systems, apparatuses, methods, and computer-readable media for use in a wireless network for radio link monitoring for high speed user equipment (UE). For example, some embodiments are directed to the UE including radio front end circuitry and processor circuitry coupled to the radio front end circuitry. The processor circuitry can be configured to monitor a downlink associated with a cell using a reference signal and estimate a downlink radio link quality associated with the downlink. The processor circuitry can further be configured to compare the estimated downlink radio link quality with a threshold. The processor circuitry can further be configured to trigger an out-of-sync operation in response to the downlink radio link quality being worse than the threshold. The threshold can include a value less than 10%.

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