US 12,464,487 B2
Backscatter-based positioning
Xiaojie Wang, Hillsborough, NJ (US); Jing Sun, San Diego, CA (US); Mohammad Tarek Fahim, San Diego, CA (US); and Srinivas Yerramalli, San Diego, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Nov. 30, 2022, as Appl. No. 18/060,385.
Prior Publication US 2024/0179666 A1, May 30, 2024
Int. Cl. H04W 64/00 (2009.01); G01S 13/75 (2006.01)
CPC H04W 64/00 (2013.01) [G01S 13/75 (2013.01)] 27 Claims
OG exemplary drawing
 
1. A method of wireless communication performed by a network entity, the method comprising:
receiving a tag device indicator that indicates a tag capability, the tag capability including the frequency shifting capability, the phase scrambling capability, or a combination thereof;
generating a tag configuration associated with transmission of a backscatter signal based on a positioning reference signal (PRS), the tag configuration indicating:
a frequency shifting parameter based on a frequency shifting capability of a tag device,
a phase scrambling parameter based on a phase scrambling capability of the tag device, or
a combination thereof; and
transmitting the tag configuration.