CPC G01S 13/876 (2013.01) [G01S 7/006 (2013.01); G01S 13/765 (2013.01)] | 30 Claims |
1. An apparatus for wireless communication at a first user equipment (UE), comprising:
a memory; and
at least one processor coupled to the memory and configured to:
receive, from a second UE, an indication that the second UE is associated with at least one reconfigurable intelligent surface (RIS);
transmit one or more sidelink reference signals to the at least one RIS associated with the second UE based on the indication;
receive one or more reflected reference signals reflected from the at least one RIS; and
calculate a signal round-trip time (RTT) based on the one or more sidelink reference signals and the one or more reflected reference signals.
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