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    DETERMINING TIMING DIFFERENCES BETWEEN PRIMARY AND SECONDARY COMPONENT CARRIERS HAVING VARIABLE TRANSMISSION TIME INTERVALS
    1.
    发明申请
    DETERMINING TIMING DIFFERENCES BETWEEN PRIMARY AND SECONDARY COMPONENT CARRIERS HAVING VARIABLE TRANSMISSION TIME INTERVALS 有权

    公开(公告)号：US20210410094A1

    公开(公告)日：2021-12-30

    申请号：US16476397

    申请日：2018-02-06

    Applicant: Apple Inc.

    Inventor： Jie Cui ,  Hong He ,  Yang Tang ,  Yuan Zhu ,  Shuang Tian

    IPC: H04W56/00 ,  H04W52/24

    Abstract: Methods and architectures to determine whether carrier aggregation (CA) component carrier signals transmitted or received by a user equipment (UE) device with a primary serving cell (PCell) and one or more secondary serving cells (SCell) exceed a maximum transmission timing difference compare a relative difference of signals derived from subframe boundaries, a subslot transmission time interval (sTTI) boundary or a combination thereof, with a maximum receive timing threshold value. In the uplink, timing advance groups (TAGs) for the PCell and/SCells may be compared by the UE to a maximum transmit timing threshold value. If the maximum thresholds are exceeded, the SCell may be dropped or changed to avoid UE from exceeding its power maximums.

    Systems and methods for L1-RSRP measurement accuracy for beam detection
    2.
    发明授权
    Systems and methods for L1-RSRP measurement accuracy for beam detection 有权

    公开(公告)号：US11018748B2

    公开(公告)日：2021-05-25

    申请号：US17009062

    申请日：2020-09-01

    Applicant: APPLE INC.

    Inventor： Hua Li ,  Yang Tang ,  Jie Cui ,  Shuang Tian ,  Yuhan Zhou

    IPC: H04B7/06

    Abstract: Systems and methods provide for beam detection in a wireless communication system. An apparatus for a UE may be configured to identify a plurality of CSI-RS resources corresponding to different Tx beams configured for measurement by the UE, measure an L1-RSRP for the plurality of CSI-RS resources, determine a selected Tx beam of the different Tx beams based on measured L1-RSRP values for the plurality of CSI-RS resources, and determine a measurement accuracy of a first L1-RSRP value corresponding to the selected Tx beam based on successful beam detection probability.

    Methods and systems for radio link monitoring for high speed scenario
    3.
    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%.

    Enhanced autonomous uplink timing adjustment
    4.
    发明授权
    Enhanced autonomous uplink timing adjustment 有权

    公开(公告)号：US12127145B2

    公开(公告)日：2024-10-22

    申请号：US17436474

    申请日：2020-03-06

    Applicant: Apple Inc.

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

    IPC: H04W56/00 ,  H04W4/02

    CPC classification number: H04W56/0045 ,  H04W4/027

    Abstract: A method for enhanced autonomous uplink timing adjustment includes determining that a user equipment (UE) is traveling above a predetermined velocity. In response to the determination that the UE is traveling above the predetermined velocity, a maximum aggregate adjustment rate to an uplink timing for the UE and a maximum amount of a magnitude of a timing change to the uplink timing for the UE are determined. The uplink timing for the UE is adjusted based on the maximum aggregate adjustment rate and the maximum amount of the magnitude of the timing change.

    Network controlled small gap configuration
    7.
    发明授权
    Network controlled small gap configuration 有权

    公开(公告)号：US11895547B2

    公开(公告)日：2024-02-06

    申请号：US16476381

    申请日：2018-02-02

    Applicant: APPLE INC.

    Inventor： Yang Tang ,  Candy Yiu ,  Rui Huang ,  Jie Cui ,  Shuang Tian

    IPC: H04W36/00

    CPC classification number: H04W36/0088

    Abstract: An apparatus of an evolved NodeB (eNB) comprises one or more baseband processors to encode measurement gap configuration information including a measurement gap configuration information element MeasGapConfig to configure a network controlled small gap (NCSG) pattern for a user equipment (UE) device if the UE requires an NCSG and the UE is not configured with a primary secondary cell (PSCELL), and a memory to store the measurement gap configuration information.

    Measurement design for next radio (NR) and long term evolution (LTE)
    8.
    发明授权
    Measurement design for next radio (NR) and long term evolution (LTE) 有权

    公开(公告)号：US11240692B2

    公开(公告)日：2022-02-01

    申请号：US16604982

    申请日：2018-05-11

    Applicant: Apple Inc.

    Inventor： Jie Cui ,  Yang Tang ,  Rui Huang ,  Yuan Zhu ,  Shuang Tian

    IPC: H04B7/204 ,  H04W24/10 ,  H04L27/26 ,  H04W28/06 ,  H04W36/00

    Abstract: An invention to perform a method of cell measurement in a wireless network, wherein the wireless network comprises a plurality of frequency layers, the invention configured to: determine a Measurement Gap Length, MGL, for each one of the plurality of frequency layers operational in the wireless network; determine a gap bitmap to indicate a measurement gap availability in a time sequence for each one of the plurality of frequency layers of the wireless network; and transmit gap assistance information for each one of the plurality of frequency layers of the wireless network to a User Equipment, wherein the gap assistance information comprises at least the determined Measurement Gap Length and the determined gap bitmap.

    MEASUREMENT DESIGN FOR NEXT RADIO (NR) AND LONG TERM EVOLUTION (LTE)
    10.
    发明申请
    MEASUREMENT DESIGN FOR NEXT RADIO (NR) AND LONG TERM EVOLUTION (LTE) 有权

    公开(公告)号：US20210006995A1

    公开(公告)日：2021-01-07

    申请号：US16604982

    申请日：2018-05-11

    Applicant: Apple Inc.

    Inventor： Jie Cui ,  Yang Tang ,  Rui Huang ,  Yuan Zhu ,  Shuang Tian

    IPC: H04W24/10 ,  H04L27/26

    Abstract: An invention to perform a method of cell measurement in a wireless network, wherein the wireless network comprises a plurality of frequency layers, the invention configured to: determine a Measurement Gap Length, MGL, for each one of the plurality of frequency layers operational in the wireless network; determine a gap bitmap to indicate a measurement gap availability in a time sequence for each one of the plurality of frequency layers of the wireless network; and transmit gap assistance information for each one of the plurality of frequency layers of the wireless network to a User Equipment, wherein the gap assistance information comprises at least the determined Measurement Gap Length and the determined gap bitmap.

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