US 12,411,201 B2
Positioning method, apparatus, and system
Mengting Liu, Beijing (CN); Su Huang, Shanghai (CN); and Junren Chang, Beijing (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Jun. 30, 2022, as Appl. No. 17/854,274.
Application 17/854,274 is a continuation of application No. PCT/CN2019/130989, filed on Dec. 31, 2019.
Prior Publication US 2022/0334212 A1, Oct. 20, 2022
Int. Cl. H04L 1/00 (2006.01); G01S 5/00 (2006.01); G01S 5/02 (2010.01); H04L 5/00 (2006.01); H04W 64/00 (2009.01)
CPC G01S 5/0036 (2013.01) [G01S 5/0236 (2013.01); H04L 5/0051 (2013.01); H04W 64/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method implemented by a location management device and comprising:
obtaining assistance data from access network devices, wherein the assistance data comprise groups of mapping relationships corresponding to preset angles, wherein each of the groups corresponds to one of the preset angles, and wherein each of the groups comprises at least two mapping relationships between one of a plurality of positioning reference signal (PRS) resource identifiers and power information at a corresponding preset angle;
obtaining, from a terminal device, first power information corresponding to a first PRS resource identifier, wherein the first PRS resource identifier corresponds to a to-be-measured angle; and
positioning the terminal device based on the assistance data and the first power information.