US 11,758,505 B2
Group-based PRS broadcast for sidelink positioning
Chang-Sik Choi, Seoul (KR); Kapil Gulati, Belle Mead, NJ (US); and Gene Wesley Marsh, San Diego, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Jul. 28, 2021, as Appl. No. 17/387,874.
Claims priority of provisional application 63/059,756, filed on Jul. 31, 2020.
Prior Publication US 2022/0039052 A1, Feb. 3, 2022
Int. Cl. H04W 64/00 (2009.01); H04L 5/00 (2006.01); H04W 92/18 (2009.01)
CPC H04W 64/003 (2013.01) [H04L 5/0051 (2013.01); H04W 92/18 (2013.01)] 29 Claims
OG exemplary drawing
 
1. A first wireless communication device in a wireless communication network, comprising:
a wireless transceiver;
a memory; and
a processor communicatively coupled to the wireless transceiver and the memory, wherein the processor and the memory are configured to:
broadcast a first group formation message over a sidelink channel via the wireless transceiver to form a positioning group comprising a plurality of wireless communication devices including the first wireless communication device, the first group formation message being broadcast during a group phase in a time domain, the group phase comprising at least an initiator sub-phase within which initiator devices can broadcast respective group formation messages and a responder sub-phase within which responder devices can broadcast respective other group formation messages; and
communicate positioning reference signals (PRSs) between the plurality of wireless communication devices in the positioning group over the sidelink channel via the wireless transceiver based on an order of the plurality of wireless communication devices in the positioning group.