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    Random access procedure fallback
    83.
    发明授权
    Random access procedure fallback 有权

    公开(公告)号：US11792858B2

    公开(公告)日：2023-10-17

    申请号：US17366595

    申请日：2021-07-02

    Applicant: QUALCOMM Incorporated

    Inventor： Xiaoxia Zhang ,  Jing Sun ,  Sony Akkarakaran ,  Muhammad Nazmul Islam ,  Tao Luo

    IPC: H04W74/08 ,  H04W76/10

    CPC classification number: H04W74/0833 ,  H04W76/10

    Abstract: This disclosure provides systems, methods and apparatus for wireless communications that support fallback from a 2-step to a 4-step random access procedures. A user equipment (UE) may establish a connection with a base station using a random access procedure. The random access procedure may be a 2-step random access procedure and reduce a number of handover exchange messages. The 2-step random access procedure may include the UE transmitting, to the base station, a first random access message including a preamble and a payload. In some implementations, the base station may receive the preamble but fail to receive or decode the payload. The random access procedure may utilize the received preamble information instead of performing retransmission of the first random access message. The base station may transmit a second random access message to the UE indicating, explicitly or implicitly, a fallback to a 4-step random access procedure for connection establishment.

    Indicating cancelation of transmissions of sidelink messages
    84.
    发明授权
    Indicating cancelation of transmissions of sidelink messages 有权

    公开(公告)号：US11792797B2

    公开(公告)日：2023-10-17

    申请号：US17184055

    申请日：2021-02-24

    Applicant: QUALCOMM Incorporated

    Inventor： Xiaojie Wang ,  Sony Akkarakaran ,  Hua Wang ,  Jing Sun ,  Juan Montojo ,  Junyi Li ,  Xiaoxia Zhang ,  Tao Luo ,  Piyush Gupta

    IPC: H04W28/26 ,  H04W72/20 ,  H04W72/0446

    CPC classification number: H04W72/20 ,  H04W28/26 ,  H04W72/0446

    Abstract: Apparatus, methods, and computer-readable media for facilitating indicating cancelation of transmissions of sidelink messages are disclosed herein. An example method for wireless communication at a sidelink device includes transmitting SCI reserving a set of resources for one or more retransmissions of a message, the set of resources identifying one or more reserved resources in a time domain. The example method also includes identifying a skipped transmission associated with one or more of the set of resources reserved by the sidelink device. Additionally, the example method includes transmitting a cancelation indication indicating the skipped transmission, the cancelation indication indicating that the skipped transmission corresponds to a previous reserved resource in the time domain, a current reserved resource in the time domain, or a future reserved resource in the time domain.

    Techniques for beam switching in wireless communications systems
    85.
    发明授权
    Techniques for beam switching in wireless communications systems 有权

    公开(公告)号：US11792779B2

    公开(公告)日：2023-10-17

    申请号：US17242289

    申请日：2021-04-27

    Applicant: QUALCOMM Incorporated

    Inventor： Vasanthan Raghavan ,  Sony Akkarakaran

    IPC: H04W72/044 ,  H04W76/14 ,  H04B7/06

    CPC classification number: H04W72/046 ,  H04B7/0695 ,  H04W76/14

    Abstract: The described techniques provide a first device configured to transmit, to a second device, an indication of a beam switching capability. In response, the second device schedules resources for a set of shared channel transmissions based on a first beam switching configuration. If the first beam switching configuration exceeds the beam switching capability of the first device, the first device applies a set of selection rules to the first beam switching configuration to obtain a second beam switching configuration and communicates with the second device according to the second beam switching configuration.

    Sidelink cancellation indication for sidelink channels
    86.
    发明授权
    Sidelink cancellation indication for sidelink channels 有权

    公开(公告)号：US11778628B2

    公开(公告)日：2023-10-03

    申请号：US17450395

    申请日：2021-10-08

    Applicant: QUALCOMM Incorporated

    Inventor： Xiaojie Wang ,  Xiaoxia Zhang ,  Piyush Gupta ,  Jing Sun ,  Junyi Li ,  Sony Akkarakaran

    IPC: H04W72/10 ,  H04W72/23

    CPC classification number: H04W72/23

    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive downlink control information including a sidelink cancellation indication indicating a cancellation of a communication in a communication resource that has an overlap with a physical sidelink control channel. The UE may transmit on the communication resource in accordance with the sidelink cancellation indication and a rule associated with the overlap with the physical sidelink control channel. Numerous other aspects are described.

    Sidelink and uplink prioritized cancellation
    88.
    发明授权
    Sidelink and uplink prioritized cancellation 有权

    公开(公告)号：US11770835B2

    公开(公告)日：2023-09-26

    申请号：US17185316

    申请日：2021-02-25

    Applicant: QUALCOMM Incorporated

    Inventor： Jung Ho Ryu ,  Sony Akkarakaran ,  Tao Luo ,  Junyi Li ,  Ling Ding ,  Jelena Damnjanovic ,  Juan Montojo ,  Kapil Gulati

    IPC: H04W72/23 ,  H04W72/56

    CPC classification number: H04W72/23 ,  H04W72/56

    Abstract: Methods, systems, and devices for wireless communications are described. A base station may transmit a configured grant that indicates time-frequency resources for a user equipment (UE) to use to transmit sidelink or uplink messages in a wireless communications system. To reduce the amount of low priority traffic that may interfere with higher priority traffic, the base station may configure a threshold probability to allow high priority sidelink transmissions and to cancel low priority transmissions. The base station may transmit a cancellation indication that includes a priority indication instructing the UE to cancel transmissions having a priority less than a priority threshold during the allocated time-frequency resources. Based on transmitting the cancellation indication, the base station may cancel transmissions that have low priority, and the UE may determine whether to transmit (or to refrain from transmitting) one or more messages based on the priority of the message.

    Feedback for message B of a two-step random access channel procedure
    89.
    发明授权
    Feedback for message B of a two-step random access channel procedure 有权

    公开(公告)号：US11765776B2

    公开(公告)日：2023-09-19

    申请号：US17734672

    申请日：2022-05-02

    Applicant: QUALCOMM Incorporated

    Inventor： Xiaoxia Zhang ,  Sony Akkarakaran ,  Tao Luo ,  Jing Sun

    IPC: H04W72/00 ,  H04W74/08 ,  H04W74/00 ,  H04L5/00 ,  H04L1/1812 ,  H04W72/23

    CPC classification number: H04W74/0833 ,  H04L1/1812 ,  H04L5/0055 ,  H04W72/23 ,  H04W74/004

    Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may use information received as part of a two-step random access channel (RACH) procedure to indicate that the two-step RACH procedure has been completed. For example, a UE may perform a two-step RACH procedure that includes the UE transmitting a first message to a base station and, in response, receiving a second message from a base station. The second message may include feedback information the UE uses to signal that the RACH procedure has been completed. In some examples, the feedback information may indicate a physical channel or grant, or both, and a third message may be transmitted by the UE based on the feedback information included in the second message. As such, the third message may serve as an indication that the second message was received, and the UE completed the RACH procedure.

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