US 12,372,607 B2
Method and apparatus for performing DAS-based positioning
Woosuk Ko, Seoul (KR); and Jongseob Baek, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 17/905,839
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Apr. 5, 2021, PCT No. PCT/KR2021/004233
§ 371(c)(1), (2) Date Sep. 8, 2022,
PCT Pub. No. WO2021/201665, PCT Pub. Date Oct. 7, 2021.
Claims priority of application No. 10-2020-0041160 (KR), filed on Apr. 3, 2020.
Prior Publication US 2023/0152420 A1, May 18, 2023
Int. Cl. G01S 5/06 (2006.01); G01S 5/02 (2010.01); H04L 5/00 (2006.01); H04W 64/00 (2009.01)
CPC G01S 5/06 (2013.01) [G01S 5/02213 (2020.05); G01S 5/0236 (2013.01); H04L 5/0048 (2013.01); H04W 64/00 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A method for performing, by a first device, wireless communication, the method comprising:
receiving a first positioning reference signal (PRS) from a second device based on a first antenna, a second antenna, and a third antenna;
obtaining a first time difference based on a first reception time where the first PRS is received based on the first antenna and a second reception time where the first PRS is received based on the second antenna;
obtaining a second time difference based on a third reception time where the first PRS is received based on the third antenna and the first reception time; and
obtaining a position of the first device based on the first time difference and the second time difference,
wherein the first device includes the first antenna, the second antenna, and the third antenna.