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公开(公告)号:US20230291450A1
公开(公告)日:2023-09-14
申请号:US18016318
申请日:2021-05-25
Inventor: Xin SU , Mengjun WANG , Xueyuan GAO
CPC classification number: H04B7/0626 , H04L5/0051 , H04B7/0639
Abstract: Embodiments of the present application provide a method and an apparatus for CSI feedback, an electronic device, and a storage medium. The method for CSI feedback includes: determining a CSI measurement resource corresponding to each data layer group during CSI measurement; determining first correspondence relations between each data layer group and DMRS ports during CSI measurement; determining mapping modes between each data layer group and CSI-RS ports during CSI measurement; determining transmission mode used in CSI measurement and CSI reporting mode corresponding to the transmission mode; and performing CSI feedback according to the CSI measurement resource, the first correspondence relations, the mapping modes, the transmission mode used in the CSI measurement and the CSI reporting mode corresponding to the transmission mode. Therefore, the embodiments of the present application improve flexibility and accuracy of CSI feedback and reduce complexity of CSI feedback.
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公开(公告)号:US20230051163A1
公开(公告)日:2023-02-16
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 comprises: 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. Therefore, in the embodiments of the present application, CQI measurement reporting based on multiple TRPs or antenna panels is realized, and scheduling decision based on related coordination between the multiple TRPs or antenna panels is further realized, facilitating optimization of system resources and improvement of demodulation performance of terminals.
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公开(公告)号:US20220155401A1
公开(公告)日:2022-05-19
申请号:US17600115
申请日:2020-03-12
Inventor: Ren DA , Bin REN , Deshan MIAO , Hui LI , Xueyuan GAO , Gang LI
IPC: G01S5/00 , H04W24/10 , H04B17/318 , H04B17/336 , G01S5/02 , H04L5/00
Abstract: Disclosed in the present application is a method and device for determining a positioning measurement value, for use in obtaining optimal positioning measurement from positioning measurement values measured by multiple receiver units. The method for determining the positioning measurement value provided by the present application comprises: measuring, by receiver units in a receiver unit array, measurement values used for positioning; and determining, on the basis of the measurement values used for positioning measured by the receiver units in the receiver unit array, an optimal measurement value used for positioning.
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公开(公告)号:US20210337496A1
公开(公告)日:2021-10-28
申请号:US17284383
申请日:2019-09-30
Inventor: Ren DA , Fang-Chen CHENG , Hui LI , Haiyang QUAN , Bin REN , Xueyuan GAO , Qiubin GAO
Abstract: Disclosed in the present application are a locating method for an uplink time difference of arrival, and an apparatus thereof. The method comprises: a locating server transmits a UTDOA information request message to a selling base station of a target terminal; the locating server receives a UTDOA information response message sent by the serving base station, wherein the UTDOA information response message carries configuration information of a locating reference signal and beam information of a reference signal related the a target terminal; the locating server transmits a measurement information request message to a location measurement unit, wherein the measurement information request message carries auxiliary locating information, the auxiliary locating information comprises the beam information of the reference signal related to the target terminal, or comprises relative information between a transmitting beam of the locating reference signal determined according to the beam information of the reference signal related to the target terminal and a received beam used by the location measurement unit, so that the location measurement unit and the locating server can assist in locating by using the beam information.
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公开(公告)号:US20220256514A1
公开(公告)日:2022-08-11
申请号:US17624549
申请日:2020-05-28
Inventor: Xin SU , Qiubin GAO , Xueyuan GAO
Abstract: Disclosed in the present application are a resource allocation method and device and a resource determination method and device, for use in implementing resource allocation in a multi-TPR/panel-based URLLC enhanced transmission solution. The resource allocation method provided in the present application comprises: allocating a transmission configuration indication (TCI) state resource and determining TCI state resource allocation information; and notifying a terminal of the TCI state resource allocation information.
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公开(公告)号:US20220256508A1
公开(公告)日:2022-08-11
申请号:US17628221
申请日:2020-05-28
Inventor: Xin SU , Qiubin GAO , Xueyuan GAO
Abstract: Disclosed are a resource determination method and device. On a network side, a resource determination method provided in the embodiments of the present application includes: determining a correlation between a transmission configuration indication (TCI) state and a time domain resource; and determining, according to the correlation, the time domain resource corresponding to the TCI state.
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公开(公告)号:US20210297215A1
公开(公告)日:2021-09-23
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
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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公开(公告)号:US20210219259A1
公开(公告)日:2021-07-15
申请号:US15734028
申请日:2019-05-29
Inventor: Ren DA , Fang-Chen CHENG , Xueyuan GAO , Hui LI , Qiubin GAO
Abstract: Disclosed by the present application are a positioning method and apparatus, which are used to improve indoor positioning performance and precision without occupying a large amount of system resources. At a positioning server side, a positioning method provided by an embodiment of the present application comprises: acquiring a positioning capability supported by a user equipment (UE), and determining, according to the positioning capability, that the UE may obtain a positioning measurement value by means of detecting a positioning reference signal ioPRS that is used for indoor/outdoor positioning; acquiring positioning auxiliary data comprising ioPRS configuration data, and sending the positioning auxiliary data to the UE; acquiring the positioning measurement value that is provided by the UE and that is acquired on the basis of the ioPRS, and using the positioning measurement value to position the UE.
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公开(公告)号:US20220337344A1
公开(公告)日:2022-10-20
申请号:US17641428
申请日:2020-06-28
Inventor: Xueyuan GAO , Xin SU , Qiubin GAO
Abstract: A transmission mode indication method and device, a base station, a terminal and a storage medium are provided. The method includes: transmitting signaling to a UE, so that the UE determines a transmission mode between the UE and a base station according to the signaling, the signaling carrying indication information of a transmission configuration indicator (TCI) state, indication information of a redundancy version (RV), indication information of a demodulation reference signal (DMRS) port, and indication information indicating whether the number of retransmission is carried; or, besides the described indication information, the signaling also carrying indication information of a transmission mode. In the embodiments of the present application, indication information is carried in signaling and is used for indicating a specific transmission mode, so that dynamic switching between different transmission modes can be achieved, and the system performance, the reliability and the resource utilization rate are better improved.
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公开(公告)号:US20220287021A1
公开(公告)日:2022-09-08
申请号:US17635678
申请日:2020-07-28
Inventor: Xueyuan GAO , Xin SU , Qiubin GAO
IPC: H04W72/04
Abstract: The present disclosure provides a data transmission method, a device, a terminal and a base station, wherein the data transmission method includes: receiving redundancy version (RV) identification information sent by a base station; determining an RV basic sequence according to the RV identification information; determining a correspondence relationship between each RV in the RV basic sequence and each transmission occasion; receiving, at each transmission occasion by using a corresponding RV according to the correspondence relationship, physical downlink shared channel (PDSCH) data sent by the base station; wherein, the RV basic sequence is one of at least two predefined RV sequences.
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