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    Collision Handling of Synchronization Signal (SS) Blocks
    11.
    发明申请
    Collision Handling of Synchronization Signal (SS) Blocks 有权

    公开(公告)号：US20210410086A1

    公开(公告)日：2021-12-30

    申请号：US16625131

    申请日：2018-06-20

    Applicant: Apple Inc.

    Inventor： Alexei Vladimirovich DAVYDOV ,  Avik SENGUPTA ,  Gang XIONG ,  Hong HE ,  Yongjun KWAK ,  Debdeep CHATTERJEE ,  Dae Won LEE

    IPC: H04W56/00 ,  H04L5/00 ,  H04L1/00 ,  H04W72/04

    Abstract: A user equipment (UE) can include processing circuitry configured to decode synchronization information within a synchronization signal (SS) block, the SS block received within a SS burst set and occupying a subset of a plurality of Orthogonal Frequency Division Multiplexing (OFDM) symbols within a slot. At least one of the symbols in the subset coincides with a pre-defined symbol location associated with a demodulation reference signal (DM-RS) of a physical downlink shared channel (PDSCH). A synchronization procedure can be performed with a next generation Node-B (gNB) based on the synchronization information within the SS block. The DM-RS can be detected within the slot, where the DM-RS starts at a symbol location that is shifted from the pre-defined symbol location and following the subset of symbols. Downlink data received via the PDSCH is decoded based on the detected DM-RS.

    SYSTEM AND METHOD FOR UPLINK PANEL SELECTION WITH POWER SAVING
    14.
    发明申请
    SYSTEM AND METHOD FOR UPLINK PANEL SELECTION WITH POWER SAVING 有权

    公开(公告)号：US20240381264A1

    公开(公告)日：2024-11-14

    申请号：US18779608

    申请日：2024-07-22

    Applicant: APPLE INC.

    Inventor： Yushu ZHANG ,  Alexei DAVYDOV ,  Gang XIONG ,  Guotong WANG ,  Hong HE

    IPC: H04W52/02 ,  H04W72/20

    Abstract: Some embodiments of this disclosure include apparatuses and methods for uplink panel selection with power saving. In some embodiments, user equipment (UE) may experience a positional change. In response, the UE may deactivate a first communication panel to save power and activate a second communication panel. The UE may then transmit a status message to a communication node indicating the activation and/or deactivation. The node may then register this activation and/or deactivation. In some embodiments, the node may monitor uplink slots from the first and second communication panel to identify the activation and deactivation. For example, if the node detects an absence of an uplink signal within a slot threshold, the node may identify the panel as being deactivated. The node may establishing communications with another panel based on a detected signal and/or the status message.

    TIMING DETERMINATION TECHNIQUES FOR 5G RADIO ACCESS NETWORK CELLS
    17.
    发明申请
    TIMING DETERMINATION TECHNIQUES FOR 5G RADIO ACCESS NETWORK CELLS 有权

    公开(公告)号：US20220394749A1

    公开(公告)日：2022-12-08

    申请号：US17890634

    申请日：2022-08-18

    Applicant: Apple Inc.

    Inventor： Gang XIONG ,  Debdeep CHATTERJEE ,  Ajit NIMBALKER ,  Hong HE

    IPC: H04W72/12 ,  H04W76/27 ,  H04W72/04 ,  H04W74/08

    Abstract: Disclosed herein are timing determination techniques for 5G radio access network (RAN) cells. According to various such techniques, a user equipment (UE) may receive a downlink (DL) scheduling command to schedule a DL data transmission from a base station. The UE may identify a scheduled slot for transmission of hybrid automatic repeat request (HARQ) feedback corresponding to the DL data transmission based on a received slot of the DL data transmission and an applicable slot offset value. The applicable slot offset value may indicate a number of slots by which the received slot precedes the scheduled slot. The applicable slot offset value may be identified from a value set based on an indicator comprised in the DL scheduling command, or may be identified using the various other techniques described herein.

    CONTENTION WINDOW SIZE UPDATE FOR CAT.4 LBT FOR CBG BASED RETRANSMISSION IN NR SYSTEMS OPERATING ON UNLICENSED SPECTRUM
    18.
    发明申请
    CONTENTION WINDOW SIZE UPDATE FOR CAT.4 LBT FOR CBG BASED RETRANSMISSION IN NR SYSTEMS OPERATING ON UNLICENSED SPECTRUM 有权

    公开(公告)号：US20220312481A1

    公开(公告)日：2022-09-29

    申请号：US17419678

    申请日：2020-01-09

    Applicant: Apple Inc.

    Inventor： Salvatore TALARICO ,  Gang XIONG ,  Yingyang LI ,  Carlos H. ALDANA

    IPC: H04W74/08 ,  H04W72/04 ,  H04L1/18 ,  H04L5/00

    Abstract: Systems, apparatuses, methods, and computer-readable media are provided for wireless communication using an unlicensed spectrum. An access point (AP) operating in the unlicensed spectrum includes a processor circuitry, a transmitter, and a receiver. The processor circuitry is configured to perform a listen before talk (LBT) procedure using an LBT parameter and a maximum channel occupancy time (MCOT) that is compatible with another wireless protocol using the unlicensed spectrum. The processor circuitry is configured to divide a transport block (TB) into a plurality of code block groups (CBGs) for transmission over the unlicensed spectrum. The transmitter is configured to transmit the plurality of CBGs to a destination, and a receiver is configured to receive hybrid automatic repeat and request acknowledgment (HARQ-ACK) information corresponding to the transmitted plurality of CBGs. The processor circuitry is further configured to determine a HARQ-ACK assessment for the TB based on the HARQ-ACK information corresponding to the transmitted plurality of CBGs, and adjust a contention window size based on the HARQ-ACK assessment for the TB.

    SYSTEM AND METHOD FOR UE TRIGGERED CSI-RS
    20.
    发明申请
    SYSTEM AND METHOD FOR UE TRIGGERED CSI-RS 有权

    公开(公告)号：US20220131676A1

    公开(公告)日：2022-04-28

    申请号：US17429973

    申请日：2020-02-14

    Applicant: Apple Inc.

    Inventor： Yushu ZHANG ,  Gang XIONG ,  Guotong WANG ,  Alexei DAVYDOV

    IPC: H04L5/00

    Abstract: Disclosed are systems, methods, and one or more computer-readable media (CRM) storing instructions for the triggering of a channel state information reference signal (CSI-RS) by user equipment (UE) in a wireless cellular network. The UE measures a downlink reference signal. The UE also determines a condition for triggering a channel state information reference signal (CSI-RS) is satisfied based on the downlink reference signal. Then, the UE transmits a request for a base station of the wireless cellular network to provide the CSI-RS to the UE based on the condition being satisfied.

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