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公开(公告)号:US11985654B2
公开(公告)日:2024-05-14
申请号:US17267092
申请日:2019-07-29
Inventor: Xin Su , Runhua Chen , Qiubin Gao , Qiuping Huang , Deshan Miao
IPC: H04W72/12 , H04B7/0417 , H04B7/06 , H04W72/1268 , H04W72/23
CPC classification number: H04W72/1268 , H04B7/0417 , H04B7/0626 , H04W72/23
Abstract: A data transmission method, a terminal, and a network device are provided. The transmission method includes receiving physical uplink shared channel PUSCH scheduling information sent by a network device, wherein the PUSCH scheduling information includes first indication information and second indication information, and the first indication information is used to indicate a data layer comprised in a PUSCH, the second indication information is used to indicate a precoding matrix; mapping, according to the precoding matrix indicated by the second indication information, the data layer included in the PUSCH onto at least two target antenna panels for transmission, wherein the target antenna panels are antenna panels, for transmitting the PUSCH, among the at least two antenna panels of the terminal.
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公开(公告)号:US11901979B2
公开(公告)日:2024-02-13
申请号:US17785399
申请日:2020-12-07
Inventor: Zhengxuan Liu , Qiubin Gao , Hui Li
IPC: H04B7/04 , H04B7/0456 , H04B7/06 , H04L5/00
CPC classification number: H04B7/0456 , H04B7/063 , H04B7/0617 , H04B7/0626 , H04B7/0632 , H04L5/0048
Abstract: Disclosed are a channel reciprocity-based precoding matrix configuration method and apparatus. The method includes: in downlink transmission, a network side separately sends, on each antenna port associated with each transmission layer, a CSI-RS subjected to beamforming to a terminal by using beams calculated according to angle information and delay information determined on the basis of uplink channel state information, and determines a precoding matrix for downlink transmission of the terminal according to beams sent on K0 antenna ports selected by the terminal on the basis of the CSI-RS, and a beam combination coefficient set.
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公开(公告)号:US11876741B2
公开(公告)日:2024-01-16
申请号:US17268603
申请日:2019-08-17
Inventor: Qiuping Huang , Runhua Chen , Qiubin Gao , Xin Su , Deshan Miao
IPC: H04L5/00 , H04W72/1268 , H04W72/23
CPC classification number: H04L5/0048 , H04W72/1268 , H04W72/23
Abstract: The present application can provide an uplink transmission method and apparatus. The method comprises: a base station instructs a UE to send SRSs corresponding to N groups of SRS resources, each of the N groups of SRS resources comprising one or more SRS resources; N being a positive integer; the base station receives the SRSs sent by the UE to determine X groups of uplink scheduling information, each of the X groups of uplink scheduling information corresponding to one group of SRS resources in the N groups of SRS resources; uplink scheduling information in different groups corresponding to SRS resources in different groups; X being a positive integer greater than one and not greater than N; the base station sends the determined X groups of uplink scheduling information to the UE so that the UE transmits an uplink signal according to the X groups of uplink scheduling information.
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公开(公告)号:US11777676B2
公开(公告)日:2023-10-03
申请号:US17261846
申请日:2019-06-21
Inventor: Ren Da , Fang-Chen Cheng , Hui Li , Xueyuan Gao , Bin Ren , Qiubin Gao , Deshan Miao
IPC: H04L5/00 , H04W4/029 , H04W64/00 , H04W72/0446
CPC classification number: H04L5/0048 , H04W4/029 , H04W64/003 , H04W72/0446
Abstract: Disclosed are a method and device for transmitting a positioning reference signal. The method includes a base station determining a time-frequency resource for sending a PRS according to configuration information of the PRS, mapping a PRS sequence to the time-frequency resource for sending the PRS, and sending the mapped PRS on the time-frequency resource for sending the PRS, wherein the configuration information of the PRS comprises PRS frequency domain resource information; the PRS frequency domain resource information comprises PRS resource element (RE) frequency shift information, and the PRS RE frequency shift information is correlated with a PRS OFDM symbol index value calculated from a PRS occasion.
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45.
公开(公告)号:US11658849B2
公开(公告)日:2023-05-23
申请号:US17541866
申请日:2021-12-03
Inventor: Qiubin Gao , Rakesh Tamrakar , Runhua Chen , Xin Su
CPC classification number: H04L25/0204 , H04B7/0417 , H04L5/0053 , H04L25/0224 , H04L27/2666 , H04W16/28 , H04W24/10 , H04W72/23
Abstract: The present disclosure provides an indication method, including: determining first transmission resources related to a transmission channel for a large-scale channel parameter or a group of large-scale channel parameters, and transmitting configuration information about the first transmission resources to a terminal device via first signaling, the first transmission resources being transmission resources for K downlink reference signals, K being a positive integer; and selecting second transmission resources from the first transmission resources in accordance with a transmission parameter used by the transmission channel, and transmitting indication information about the second transmission resources to the terminal device via second signaling, the second transmission resources being transmission resources for L downlink reference signals, L being a positive integer, and K being greater than or equal to L.
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公开(公告)号:US12278772B2
公开(公告)日:2025-04-15
申请号:US17790111
申请日:2020-10-15
Inventor: Xueyuan Gao , Xin Su , Qiubin Gao
Abstract: The embodiments of the present application provide a CQI measurement reporting method, an apparatus, a network side device, and a terminal. The CQI measurement reporting method includes a network side device determining, for multiple coordinated transmission TRPs or antenna panels, a CSI measurement resource used for CQI measurement; generating network side configuration information, the network side configuration information being used for indicating the network side device to configure a terminal to perform, according to the CSI measurement resource, CQI measurement corresponding to a TDM transmission mode, obtain a corresponding CQI measurement result, and then report the CQI measurement result to the network side device; and sending the CSI measurement resource and the network side configuration information to the terminal.
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公开(公告)号:US12212396B2
公开(公告)日:2025-01-28
申请号:US18003817
申请日:2021-07-01
Inventor: Hui Li , Runhua Chen , Qiubin Gao , Yajuan Luo
IPC: H04B7/06 , H04L5/00 , H04W72/232
Abstract: The present disclosure discloses a beam indication method, a beam indication device, a terminal and a network side device. The method is applied to a first terminal and includes: receiving, by the first terminal, a first message, wherein the first message includes beam-related information for indicating N beams, N is an integer greater than or equal to 1; transmitting, by the first terminal, at least two target channels and/or target reference signals according to the beam-related information.
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公开(公告)号:US12170564B2
公开(公告)日:2024-12-17
申请号:US18368896
申请日:2023-09-15
Inventor: Shanzhi Chen , Shaohui Sun , Qiubin Gao
IPC: H04B7/06 , H04B7/08 , H04W24/10 , H04W72/044 , H04W72/1263
Abstract: Disclosed are beam training methods and devices. A beam training method includes: a transmitting end determining a first mapping relationship between BPL identifiers, CRIs, and transmitting beams; the transmitting end configuring a first reference signal resource for a receiving end, and transmitting configuration information of the first reference signal resource to the receiving end, the configuration information including a first BPL identifier; the transmitting end determining a first transmitting beam; the transmitting end transmitting a reference signal to the receiving end, by using the first transmitting beam within the first reference signal resource, so that the receiving end receives the reference signal on the first reference signal resource.
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49.
公开(公告)号:US12095541B2
公开(公告)日:2024-09-17
申请号:US17801783
申请日:2021-01-26
Inventor: Shanzhi Chen , Xin Zhang , Qiubin Gao , Qiuping Huang , Shiqiang Suo
CPC classification number: H04B7/0695 , H04B7/0617 , H04B7/086 , H04B7/088
Abstract: Provided are a beam management method and apparatus, and a network side device, a terminal and a storage medium. The method includes receiving beam information for beam management sent by a terminal, wherein the beam information comprises uplink beam information or downlink beam information; determining specified information for beam management according to the beam information, wherein the specified information comprises terminal location information and/or beam quality information; and determining transmission beams for signal transmission and/or a trend of transmission beam change according to the specified information and network deployment information, wherein the signal transmission comprises uplink signal transmission or downlink signal transmission. The great overhead and delay problems caused by the frequent beam sweeping process in high-speed occasions can be solved, the beam management strategy can be optimized and beam sweeping time and beam overhead can be saved.
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公开(公告)号:US12081299B2
公开(公告)日:2024-09-03
申请号:US17441677
申请日:2019-12-24
Inventor: Zhengxuan Liu , Hui Li , Qiubin Gao
IPC: H04B7/06 , H04B7/0456
CPC classification number: H04B7/0626 , H04B7/0456 , H04B7/0658
Abstract: Disclosed are a channel state information reporting method and device, relating to the field of wireless communications and used for solving the problem of no corresponding CSI reporting method being provided at present regarding a Rel-16 codebook structure. The method of the present application includes a terminal determining, according to codebook parameter information, codebook indication information corresponding to a data transmission layer; and the terminal sending channel state information (CSI) including the codebook indication information to a network side device, and the codebook indication information includes a part or all of the following: beam information for determining a precoding matrix orthogonal combination beam, base vector information for determining a precoding matrix compression base vector, and nonzero coefficient indication information for determining a precoding matrix compression coefficient.
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