US 11,689,890 B2
Improving sidelink positioning via messaging between wireless nodes
Chang-Sik Choi, Seoul (KR); Kapil Gulati, Belle Mead, NJ (US); and Sudhir Kumar Baghel, Hillsborough, NJ (US)
Assigned to QUALCOMM INCORPORATED, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Jun. 1, 2021, as Appl. No. 17/336,274.
Claims priority of provisional application 63/033,798, filed on Jun. 2, 2020.
Prior Publication US 2021/0377699 A1, Dec. 2, 2021
Int. Cl. H04W 4/029 (2018.01); H04L 5/00 (2006.01); G01S 5/02 (2010.01); H04W 56/00 (2009.01); H04W 4/40 (2018.01)
CPC H04W 4/029 (2018.02) [G01S 5/02216 (2020.05); H04L 5/0048 (2013.01); H04W 4/40 (2018.02); H04W 56/001 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A method for wireless communications performed by a user equipment (UE), comprising:
receiving a first positioning reference signal (PRS) from a first wireless node;
receiving a second PRS from a second wireless node;
receiving, from the first wireless node, an estimate of a first clock error component between the first wireless node and the second wireless node, wherein the estimate of the first clock error component is received via an intelligent transportation system (ITS) message; and
estimating a position of the UE based on the first PRS, the second PRS, and the estimate of the first clock error component.