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公开(公告)号:WO2021242393A1
公开(公告)日:2021-12-02
申请号:PCT/US2021/024723
申请日:2021-03-29
Applicant: QUALCOMM INCORPORATED
Inventor: XUE, Yisheng , ZENG, Weiliang , ZHANG, Xiaoxia , WEI, Yongbin
Abstract: Certain aspects of the present disclosure provide techniques for qualifying machine learning model -based channel state information (CSI) predictions. An example method generally includes receiving, from a network entity, a channel state information (CSI) prediction model for quantized CSI, calculating CSI based on downlink reference signal measurements, generating a quantized CSI difference value based a quantization of a difference between the calculated CSI and CSI predicted based on a CSI prediction model, and reporting, to the network entity, the calculated CSI and the quantized CSI difference value.
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公开(公告)号:WO2021173371A1
公开(公告)日:2021-09-02
申请号:PCT/US2021/017896
申请日:2021-02-12
Applicant: QUALCOMM INCORPORATED
Inventor: ZENG, Weiliang , YOO, Taesang , BARGHI, Sanaz , BHUSHAN, Naga , VITTHALADEVUNI, Pavan Kumar , MUKKAVILLI, Krishna Kiran , ZHANG, Xiaoxia , JI, Tingfang , WEI, Yongbin
Abstract: Systems and methods facilitating feedback of robust channel state information (CSI), such as to provide full CSI feedback or otherwise providing CSI feedback, are described. CSI encoders and/or decoders used by network nodes may implement channel compression/reconstruction based upon neural-network (NN) training of collected channels. A structured payload having an interpretable payload portion and an uninterpretable payload portion may utilized with respect to CSI feedback. The channel compression provided according to some aspects of the disclosure supports feedback of robust CSI, in some instances including full CSI, as determined by a particular network node. Other aspects and features are also claimed and described.
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3.
公开(公告)号:WO2021118743A1
公开(公告)日:2021-06-17
申请号:PCT/US2020/059983
申请日:2020-11-11
Applicant: QUALCOMM INCORPORATED
Inventor: XUE, Yisheng , ZHANG, Xiaoxia , LIU, Chih-Hao , SUN, Jing , WEI, Yongbin
Abstract: Wireless communications systems and methods related to channel access contention management in a shared radio frequency band are provided. A first wireless communication device communicates, with a second wireless communication device, a grant for communicating a first communication signal, the grant indicating a listen-before-talk (LBT) configuration. The first wireless communication device communicates, with the second wireless communication device, a LBT configuration modification after communicating the grant. The first wireless communication device communicates, with the second wireless communication device, the first communication signal based on the LBT configuration modification.
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公开(公告)号:WO2021025916A1
公开(公告)日:2021-02-11
申请号:PCT/US2020/043989
申请日:2020-07-29
Applicant: QUALCOMM INCORPORATED
Inventor: XUE, Yisheng , ZHANG, Xiaoxia , DAMNJANOVIC, Aleksandar , SUN, Jing , TIAN, Qingjiang , WEI, Yongbin
Abstract: Certain aspects of the present disclosure provide techniques for new radio (NR) communications in narrowband regions of unlicensed spectrum. A method that may be performed by a user equipment (UE) includes determining, using an energy detector (ED), that received energy in a first bandwidth (BW) is lower than a threshold; and transmitting, in response to determining that received energy in the first BW is lower than the threshold, a first uplink (UL) transmission to a base station (BS) in a second BW smaller than the first BW and contained within the first BW.
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5.
公开(公告)号:WO2020180674A1
公开(公告)日:2020-09-10
申请号:PCT/US2020/020370
申请日:2020-02-28
Applicant: QUALCOMM INCORPORATED
Inventor: DAMNJANOVIC, Aleksandar , WEI, Yongbin
Abstract: Technology neutral coexistence and high priority traffic is disclosed for use in unlicensed frequency bands. Synchronization boundaries are defined in which synchronous contention windows across all radio access technologies attempting access to a shared communication channel occur periodically. Between the synchronous contention windows, the nodes may return to asynchronous access procedures. Such synchronous access procedures may be applicable to certain power classes or deployment type nodes. Additionally, various priority schemes for the synchronous contention window may be used to ensure protection of higher priority nodes or traffic, such as ultra-reliable low latency communication (URLLC) traffic. According to certain aspects, the deployment of such synchronous access methodology may be triggered via signaling from initiating devices. Additional aspects may provide for a technology neutral receiver protection mechanism by defining resources for protection signaling during receiver protection intervals between successive synchronous contention windows.
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公开(公告)号:WO2020063427A1
公开(公告)日:2020-04-02
申请号:PCT/CN2019/106571
申请日:2019-09-19
Applicant: QUALCOMM INCORPORATED , CAO, Yiqing , GAO, Lu , LI, Yan , WEI, Yongbin
Inventor: CAO, Yiqing , GAO, Lu , LI, Yan , WEI, Yongbin
Abstract: Wireless communications systems and methods related to managing and facilitating spectrum sharing among multiple wireless communication networks are provided. A network device of a first network transmits, to a spectrum management server, a spectrum allocation request including at least spatial information associated with a three-dimensional (3D) coverage space of the first network. The network device receives, from the spectrum management server in response to the spectrum allocation request, a spectrum allocation including beamforming parameters that are based on the spatial information. The network device coordinates, with one or more wireless communication devices associated with the first network, communications in the first network based on the spectrum allocation.
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公开(公告)号:WO2020028863A1
公开(公告)日:2020-02-06
申请号:PCT/US2019/044989
申请日:2019-08-02
Applicant: QUALCOMM INCORPORATED
Inventor: XUE, Yisheng , DAMNJANOVIC, Aleksandar , WEI, Yongbin , MALLIK, Siddhartha , KADOUS, Tamer
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a device may select a plurality of channel access intervals during which the device is associated with a priority condition relative to another device for communications by the device, wherein each of the plurality of channel access intervals includes a respective contention interval and a respective transmission opportunity; and may transmit, during a contention interval of a first channel access interval of the plurality of channel access intervals, a signal that includes: channel occupancy information for the device for a first transmission opportunity of the first channel access interval, and information that identifies at least a portion of one or more subsequent channel access intervals, of the plurality of channel access intervals, associated with the device. Numerous other aspects are provided.
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公开(公告)号:WO2019217716A1
公开(公告)日:2019-11-14
申请号:PCT/US2019/031574
申请日:2019-05-09
Applicant: QUALCOMM INCORPORATED
Inventor: TIAN, Qingjiang , YERRAMALLI, Srinivas , ZHANG, Xiaoxia , SUN, Jing , WEI, Yongbin
Abstract: A method of wireless communication includes determining, by a user equipment (UE) in response to a failed transmission to the UE by a base station, to transmit a negative acknowledgment (NACK). The method additionally includes transmitting, by the UE to the base station, the NACK in an acknowledgement (ACK) resource previously allocated by the base station, and triggering at least one action, by the UE in response to at least one of the determination to transmit the NACK or the transmission of the NACK. The at least one action improves retransmission success rate. In another aspect, a method of wireless communication includes receiving, by a base station from a UE, a NACK in an ACK resource previously allocated by the base station, and triggering at least one action, by the base station in response to the receipt of the NACK. The at least one action improves retransmission success rate.
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公开(公告)号:WO2019210166A1
公开(公告)日:2019-10-31
申请号:PCT/US2019/029346
申请日:2019-04-26
Applicant: QUALCOMM INCORPORATED
Inventor: DAMNJANOVIC, Aleksandar , YERRAMALLI, Srinivas , KADOUS, Tamer , WEI, Yongbin
Abstract: Wireless communications systems and methods related to providing frequency diversity for communications in an unlicensed spectrum are provided. A first wireless communication device communicates, with a second wireless communication device, an opportunistic frequency- switching configuration for a first frequency band and a second frequency band. The first frequency band and the second frequency band are shared by a first network operating entity and a second network operating entity. The first wireless communication device communicates, with the second wireless communication device, a first communication signal in a first frequency band based on the opportunistic frequency- switching configuration. The first wireless communication device switches from the first frequency band to a second frequency band based on the opportunistic frequency- switching configuration. The first wireless communication device communicates, with the second wireless communication device after the switching, a second communication signal in the second frequency band based on the opportunistic frequency- switching configuration.
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公开(公告)号:WO2019147408A1
公开(公告)日:2019-08-01
申请号:PCT/US2019/012681
申请日:2019-01-08
Applicant: QUALCOMM INCORPORATED
Inventor: ZHANG, Xiaoxia , BHATTAD, Kapil , SUN, Jing , QINGJIANG, Tian , YERRAMALLI, Srinivas , KADOUS, Tamer , WEI, Yongbin , DAMNJANOVIC, Aleksandar
CPC classification number: H04B7/0482 , H04B7/0639 , H04L1/0003 , H04L1/0009 , H04L1/0023 , H04L1/1607 , H04L5/0098 , H04W72/0413 , H04W74/08 , H04W74/085
Abstract: Wireless communications systems and methods related to performing adaptive autonomous uplink (UL) communications are provided. A first wireless communication device receives, from a second wireless communication device, an autonomous uplink transmission configuration. The first wireless communication device determines a transmission parameter in response to a link adaptation parameter based on the autonomous uplink transmission configuration. The first wireless communication device transmits, to the second wireless communication device, an autonomous uplink communication signal based on the determined transmission parameter.
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