公开(公告)号：US20230262646A1

公开(公告)日：2023-08-17

申请号：US18012231

申请日：2021-06-23

Applicant: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.

Inventor： Hui LI ,  Ren DA ,  Haiyang QUAN ,  Rongyi FANG ,  Bin REN ,  Xiaotao REN ,  Gang LI ,  Jianxiang LI

IPC: H04W64/00 ,  H04W24/10 ,  H04L5/00

CPC classification number: H04W64/00 ,  H04W24/10 ,  H04L5/0051

Abstract: Provided are a measurement reporting method, a positioning measurement device, and a location management function (LMF). The method comprises: receiving a positioning measurement reporting request message sent by a location management function (LMF); and reporting at least one positioning measurement value to the LMF on the basis of the positioning measurement reporting request message, wherein the at least one positioning measurement value comprises at least one carrier phase measurement value. By means of the embodiments of the present application, the reporting of a carrier phase measurement value is realized, carrier phase positioning is supported, and the positioning precision is improved.

公开(公告)号：US20230180172A1

公开(公告)日：2023-06-08

申请号：US17925325

申请日：2021-04-22

Applicant: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.

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

IPC: H04W64/00 ,  G01S5/10 ,  G01S5/00

CPC classification number: H04W64/00 ,  G01S5/10 ,  G01S5/0036

Abstract: The present application discloses a positioning method and device, for improving the positioning accuracy. The positioning method provided in the present application comprises: determining a whole-cycle ambiguity by means of a positioning measurement value provided by a receiving end of a positioning reference signal (PRS), wherein the positioning measurement value comprises a virtual phase measurement value constructed by the receiving end using a carrier phase measurement value, the carrier phase measurement value being obtained by measuring a carrier PRS (C-PRS) by the receiving end, and the PRS comprises the C-PRSs sent by a sending end of the PRS by means of at least two carrier frequencies; and determining a terminal position by means of the whole-cycle ambiguity.

公开(公告)号：US20230262647A1

公开(公告)日：2023-08-17

申请号：US18012829

申请日：2021-06-25

Applicant: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.

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

IPC: H04W64/00 ,  H04L5/00 ,  H04W24/10

CPC classification number: H04W64/00 ,  H04L5/0051 ,  H04W24/10

Abstract: Disclosed are a positioning method and apparatus, which are used for eliminating a clock skew between base stations and improving the UE positioning accuracy of an UL-TDOA/DL-TDOA positioning technical scheme. The method comprises: determining positioning reference signal configuration information; for a downlink time difference of arrival (DL-TDOA) positioning technical scheme, receiving and measuring downlink positioning reference signals from different base stations on the basis of the positioning reference signal configuration information, determining downlink positioning measurement quantity information, and reporting the downlink positioning measurement quantity information and location information of a reference terminal; and for an uplink time difference of arrival (UL-TDOA) positioning technical scheme, sending an uplink positioning reference signal on the basis of the positioning reference signal configuration information, and sending the location information of the reference terminal.

公开(公告)号：US20230188401A1

公开(公告)日：2023-06-15

申请号：US17924686

申请日：2021-04-16

Applicant: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.

Inventor： Shaoshuai FAN ,  Mengfan ZHOU ,  Boyang HU ,  Gang LI ,  Bin REN ,  Rongyi FANG ,  Zhenyu ZHANG ,  Ren DA ,  Shaohui SUN

IPC: H04L27/26

CPC classification number: H04L27/2671

Abstract: Provided in the embodiments of the present disclosure are a carrier phase tracking method and device for an orthogonal frequency division multiplexing (OFDM) multi-carrier system. The method includes: performing frequency domain tracking on a received current OFDM symbol and determining a phase of each subcarrier; analyzing a phase curve of all subcarriers and determining an inter-symbol phase average offset, and the inter-symbol phase average offset is used to characterize an estimated value of a difference obtained by subtracting a second value from a first value, the first value is a carrier phase value of the current OFDM symbol, and the second value is an estimated value of a carrier phase of a previous OFDM symbol; and performing time domain tracking by using the inter-symbol phase average offset as an input phase and determining an estimated value of a carrier phase of the current OFDM symbol.

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.