US 11,921,226 B2
Positioning method and device
Ren Da, Beijing (CN); Bin Ren, Beijing (CN); Deshan Miao, Beijing (CN); Hui Li, Beijing (CN); and Xueyuan Gao, Beijing (CN)
Assigned to DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD., Beijing (CN)
Appl. No. 17/415,678
Filed by DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD., Beijing (CN)
PCT Filed Nov. 21, 2019, PCT No. PCT/CN2019/119902
§ 371(c)(1), (2) Date Jun. 17, 2021,
PCT Pub. No. WO2020/125310, PCT Pub. Date Jun. 25, 2020.
Claims priority of application No. 201811558107.2 (CN), filed on Dec. 19, 2018.
Prior Publication US 2022/0043099 A1, Feb. 10, 2022
Int. Cl. G01S 5/02 (2010.01); G01S 5/00 (2006.01); H04W 4/02 (2018.01); H04W 4/024 (2018.01)
CPC G01S 5/0284 (2013.01) [G01S 5/018 (2020.05); H04W 4/023 (2013.01); H04W 4/024 (2018.02)] 20 Claims
OG exemplary drawing
 
1. A vehicle positioning method, comprising:
measuring, by a first vehicle, a positioning reference signal (PRS) and a carrier phase reference signal (C-PRS) sent by a plurality of positioning reference devices, to obtain a plurality of PRS measurement results and a plurality of C-PRS measurement results, the plurality of positioning reference devices including a network side device and other vehicles;
performing, by the first vehicle, a positioning operation according to the plurality of PRS measurement results and the plurality of C-PRS measurement results;
wherein the positioning operation includes: sending the plurality of PRS measurement results and the plurality of C-PRS measurement results to a location server, and receiving location information of the first vehicle determined based on the plurality of PRS measurement results and the plurality of C-PRS measurement results from the location server; or
the positioning operation includes: determining, by the first vehicle, the location information of the first vehicle according to the plurality of PRS measurement results and the plurality of C-PRS measurement results;
the location information of the first vehicle includes at least one of the following information: a location of the first vehicle, a relative distance between the first vehicle and the other vehicles, change information of the relative distance between the first vehicle and the other vehicles, a relative location of the first vehicle with respect to the other vehicles, and change information of the relative location of the first vehicle with respect to the other vehicles.