US 12,225,480 B2
Power headroom reporting over sidelinks
Lik Hang Silas Fong, Bridgewater, NJ (US); Piyush Gupta, Bridgewater, NJ (US); and Juan Montojo, San Diego, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Sep. 7, 2021, as Appl. No. 17/468,313.
Prior Publication US 2023/0075395 A1, Mar. 9, 2023
Int. Cl. H04W 52/36 (2009.01); H04W 52/14 (2009.01); H04W 80/02 (2009.01)
CPC H04W 52/365 (2013.01) [H04W 52/14 (2013.01); H04W 52/367 (2013.01); H04W 80/02 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for wireless communications by a first user equipment (UE), comprising:
transmitting a power headroom report (PHR) to a second UE, wherein the PHR is transmitted via a PHR medium access control (MAC) control element (CE) over a sidelink, wherein transmitting the PHR comprises transmitting at least a first PHR for a first type of sidelink transmission and a second PHR for a second type of sidelink transmission via the PHR MAC CE, wherein the first type of sidelink transmission comprises a physical sidelink shared channel (PSSCH), and wherein the second type of sidelink transmission comprises a physical sidelink feedback channel (PSFCH);
receiving, from the second UE, a transmit power control (TPC) based on the PHR; and
transmitting at least a first sidelink transmission to the second UE with transmit power in accordance with the TPC.