公开(公告)号：US20230155766A1

公开(公告)日：2023-05-18

申请号：US17918049

申请日：2021-04-08

Applicant: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.

Inventor： Xiaotao REN ,  Bin REN ,  Ren DA ,  Hui LI ,  Gang LI ,  Zheng ZHAO ,  Rongyi FANG ,  Zhenyu ZHANG

IPC: H04L5/00

CPC classification number: H04L5/0048 ,  H04L5/0007 ,  H04L5/006

Abstract: Embodiments of the present disclosure provide a signal processing method, a signal processing device, a terminal and a network node. The signal processing method includes determining to drop the SRS-Pos or the first channel on overlapped OFDM symbols according to first information in the case that OFDM symbols occupied by an uplink positioning reference signal SRS-Pos overlap OFDM symbols occupied by a first channel; the first channel includes: PUSCH and/or PUCCH; the first information includes: at least one of a resource type of the SRS-Pos, a content carried by the first channel, or indication information configured by a network node; the indication information is related to dropping a signal on the overlapped OFDM symbols.

公开(公告)号：US20230100877A1

公开(公告)日：2023-03-30

申请号：US17802526

申请日：2021-01-19

Applicant: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.

Inventor： Bin REN ,  Ren DA ,  Xiaotao REN ,  Gang LI ,  Hui LI ,  Zheng ZHAO ,  Zhenyu ZHANG ,  Rongyi FANG

IPC: H04W64/00 ,  H04L5/00 ,  H04W24/08

Abstract: Disclosed in the present application are an information transmission method and device, for use in implementing integrity monitoring of a downlink 3GPP RAT-dependent positioning network, so as to eliminate the influence of factors such as time offset of a base station, transmitter failure of the base station, a multipath channel, and a non-line-of-sight path channel. The information transmission method provided by the present application comprises: obtaining downlink positioning reference signal (PRS) parameter configuration information; measuring a downlink PRS from a base station on the basis of the downlink PRS parameter configuration information, and generating an error correction parameter ECP; and sending the ECP.

公开(公告)号：US20240340844A1

公开(公告)日：2024-10-10

申请号：US18681454

申请日：2022-07-13

Applicant: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.

Inventor： Rongyi FANG ,  Bin REN ,  Zhenyu ZHANG ,  Xiaotao REN ,  Ren DA

IPC: H04W64/00 ,  H04J3/06 ,  H04L5/00

CPC classification number: H04W64/00 ,  H04J3/0658 ,  H04L5/0051

Abstract: A positioning method, a positioning device, and a non-transitory computer readable storage medium are provided. The method includes: receiving first information reported by at least one base station, or first information reported by target User Equipment UE and first information reported by a reference UE, wherein first information includes at least one of multipath information or time error information; determining a position of the target UE according to the first information reported by the at least one base station or according to the first information reported by the target UE and the first information reported by the reference UE, and according to a preset positioning database.

公开(公告)号：US20240334372A1

公开(公告)日：2024-10-03

申请号：US18571243

申请日：2022-06-09

Applicant: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO.,LTD.

Inventor： Zhenyu ZHANG ,  Bin REN ,  Rongyi FANG ,  Gang LI ,  Ren DA ,  Shaohui SUN

IPC: H04W64/00 ,  G01S5/02 ,  G01S5/14

CPC classification number: H04W64/00 ,  G01S5/0218 ,  G01S5/14

Abstract: The present disclosure provides a terminal device locating method, an apparatus and a storage medium. The method includes: receiving, by a first network element, a reference signal; determining a time-domain channel response of the reference signal according to the reference signal; performing filtering processing on the time-domain channel response to obtain a line-of-sight time-domain signal; determining subcarrier phase information of a line-of-sight frequency-domain signal according to the line-of-sight time-domain signal, where the subcarrier phase information is used to determine location information of a terminal device. The present disclosure can improve the accuracy of locating the terminal device.

公开(公告)号：US20240073852A1

公开(公告)日：2024-02-29

申请号：US18261269

申请日：2022-01-17

Applicant: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO.,LTD.

Inventor： Bin REN ,  Ren DA ,  Rongyi FANG ,  Zhenyu ZHANG

IPC: H04W64/00 ,  H04L5/00

CPC classification number: H04W64/00 ,  H04L5/0051

Abstract: The present application discloses a signal processing method and an apparatus, which are used to achieve signal compensation on the basis of a relative group delay, and to improve the precision of TOA estimation, thereby finally improving the positioning precision of UE. The signal processing method provided in the present application comprises: performing channel estimation processing on the basis of a received positioning reference signal (PRS), to obtain a frequency domain channel response; determining a difference value of a relative group delay of a sub-band on the basis of the frequency domain channel response; and compensating, on the basis of the difference value of the relative group delay of the sub-band, a locally received PRS or the frequency domain channel response; or reporting the difference value of the relative group delay of the sub-band to a transmitting end, and compensating a transmission signal by means of the transmitting end.