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    METHODS AND APPARATUSES FOR LATENCY REDUCTION FOR URLLC
    144.
    发明申请
    METHODS AND APPARATUSES FOR LATENCY REDUCTION FOR URLLC 有权

    公开(公告)号：US20210226734A1

    公开(公告)日：2021-07-22

    申请号：US16746415

    申请日：2020-01-17

    Applicant: QUALCOMM Incorporated

    Inventor： Seyed Ali Akbar FAKOORIAN ,  Jing SUN ,  Xiaoxia ZHANG ,  Chih-Hao LIU ,  Srinivas YERRAMALLI

    IPC: H04L1/18 ,  H04W72/04 ,  H04W72/14

    Abstract: A method, an apparatus, a base station, and a user equipment (UE) for wireless communication are provided to reduce the retransmission latency for URLLC communications. Upon receiving a downlink data transmission, a UE waits until it completes decoding of the received downlink data transmission before it can send an ACK/NAK report on the decoded downlink data transmission. In case of a decoding failure, the base station cannot start retransmission until the UE finishes the decoding of the downlink data transmission and sends the ACK/NAK report and until the base station finishes decoding of an NAK in the ACK/NAK report. This considerable retransmission latency may not meet stringent latency requirements of some URLLC applications. A two-stage ACK/NAK reporting is disclosed to reduce the retransmission latency where the UE sends an early ACK/NAK report upon partially completing the decoding of the downlink data transmission.

    METHODS, APPARATUSES AND SYSTEMS FOR CONFIGURING BANDWIDTH PARTS IN SHARED SPECTRUM
    145.
    发明申请
    METHODS, APPARATUSES AND SYSTEMS FOR CONFIGURING BANDWIDTH PARTS IN SHARED SPECTRUM 有权

    公开(公告)号：US20210211888A1

    公开(公告)日：2021-07-08

    申请号：US17208360

    申请日：2021-03-22

    Applicant: QUALCOMM Incorporated

    Inventor： Srinivas YERRAMALLI ,  Rahul MALIK ,  Tamer KADOUS

    IPC: H04W16/14 ,  H04W74/08 ,  H04W72/04

    Abstract: Methods, systems, and devices for wireless communication are described. A base station may configure a system bandwidth of shared spectrum partitioned into a plurality of bandwidth parts based on interference associated with each of the plurality of bandwidth parts. The base station may then transmit the configuration of the system bandwidth to a plurality of devices. A UE may receive, from a base station, a configuration of a system bandwidth of shared spectrum. The system bandwidth may be partitioned into a plurality of bandwidth parts based on interference associated with each of the plurality of bandwidth parts. The UE may then communicate with the base station on at least one of the bandwidth parts.

    ENHANCEMENTS TO CHANNEL STATE INFORMATION REPORTING
    147.
    发明申请
    ENHANCEMENTS TO CHANNEL STATE INFORMATION REPORTING 有权

    公开(公告)号：US20210143883A1

    公开(公告)日：2021-05-13

    申请号：US17070758

    申请日：2020-10-14

    Applicant: QUALCOMM Incorporated

    Inventor： Srinivas YERRAMALLI ,  Xiaoxia ZHANG ,  Arumugam CHENDAMARAI KANNAN

    IPC: H04B7/06 ,  H04B17/345 ,  H04B17/391 ,  H04L1/00

    Abstract: Certain aspects of the present disclosure provide techniques for enhancements to channel state information (CSI) reporting. A method that may be performed by a user equipment (UE) includes obtaining, from a network entity, a CSI reporting configuration for reporting CSI for a channel. The method further includes generating a model of an interference pattern for the channel, and predicting one or more candidate interference levels for one or more upcoming slots using the model. The method further includes reporting information regarding the candidate interference levels to the network entity.

    BEAM SELECTION CRITERIA FOR SINGLE CARRIER WAVEFORM
    149.
    发明申请
    BEAM SELECTION CRITERIA FOR SINGLE CARRIER WAVEFORM 有权

    公开(公告)号：US20210092723A1

    公开(公告)日：2021-03-25

    申请号：US17029469

    申请日：2020-09-23

    Applicant: QUALCOMM Incorporated

    Inventor： Srinivas YERRAMALLI ,  Arumugam CHENDAMARAI KANNAN ,  Xiaoxia ZHANG ,  Vinay CHANDE ,  Tao LUO

    IPC: H04W72/04 ,  H04L5/00

    Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for selecting a beam to be allocated for transmitting downlink (DL) data to user equipment (UE). In some implementations, a UE receives a reference signal on each of a number of beams associated with a base station, and determines a delay spread value for each beam. The UE identifies each beam for which the determined channel delay spread value is less than a threshold value, and determines a reference signal received power (RSRP) level for each identified beam. The UE transmits an indication of the determined RSRP levels of the identified beams to the base station, and receives, in response to the transmitted indication, a selection of the beam to be allocated for DL transmissions to the UE.

    CSI-RS SCRAMBLING OF SUBFRAMES IN A MULTI-SUBFRAME DRS
    150.
    发明申请
    CSI-RS SCRAMBLING OF SUBFRAMES IN A MULTI-SUBFRAME DRS 审中-公开

    公开(公告)号：US20200344775A1

    公开(公告)日：2020-10-29

    申请号：US16870782

    申请日：2020-05-08

    Applicant: QUALCOMM Incorporated

    Inventor： Chih-Hao LIU ,  Srinivas YERRAMALLI ,  Tamer KADOUS

    IPC: H04W72/12 ,  H04L5/00

    Abstract: In an embodiment, an AP executes a CCA protocol to determine whether to begin transmission within a DMTC window of a radio frame having first and second blocks of subframes. The AP transmits a multi-subframe DRS within the DRS subframes that is scrambled in accordance with a CSI-RS scrambling rule that determines how the second DRS subframe is to be scrambled based on whether the first DRS subframe is included among the first block of subframes or the second block of subframes. At least one UE monitors the DMTC window, and descrambles the CSI-RSs in the multi-DRS subframe based on a CSI-RS descrambling rule that determines how the second DRS subframe is to be descrambled based on whether the first DRS subframe is included among the first block of subframes or the second block of subframes.

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