Sidelink timing-based positioning

Abstract

One instance of a user equipment (UE) apparatus includes a target UE configured to receive sidelink (“SL”) positioning reference signals (“SL-PRS”) from a reference node and two or more additional UEs, measure SL reference signal timing differences (“RSTDs”) between the two or more additional UEs with respect to the reference node, and determine an estimated location of the target UE based on a time-difference-of-arrival (“TDOA”) positioning technique using the SL RSTDs. Another instance of UE apparatus includes a target UE configured to transmit SL-PRS to one or more additional UEs, receive SL positioning reference signals from a one or more additional UEs, and determine an estimated location of the target UE based on a SL round-trip time (“RTT”) positioning technique using the SL-PRS transmitted and received between the target UE and additional UEs.

Dependencies are inferred from the claim text.