US 12,413,396 B2
Lower layer security for groupcast communication
Anantharaman Balasubramanian, San Diego, CA (US); Karthika Paladugu, San Diego, CA (US); Hong Cheng, Basking Ridge, NJ (US); Shuanshuan Wu, San Diego, CA (US); Junyi Li, Fairless Hills, PA (US); and Kapil Gulati, Belle Mead, NJ (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Feb. 2, 2022, as Appl. No. 17/649,755.
Prior Publication US 2023/0246823 A1, Aug. 3, 2023
Int. Cl. H04L 9/08 (2006.01); H04L 9/32 (2006.01); H04L 9/40 (2022.01)
CPC H04L 9/0833 (2013.01) [H04L 9/3242 (2013.01); H04L 9/3268 (2013.01); H04L 9/40 (2022.05)] 30 Claims
OG exemplary drawing
 
1. An apparatus for wireless communication at a user equipment (UE), comprising:
one or more memories; and
one or more processors, coupled to the one or more memories, configured to:
obtain a common key that is configured in the UE at a time of manufacture; and
communicate with one or more other UEs using a layer 2 (L2) groupcast key that is based at least in part on the common key, a parameter, and a first eight bits of a destination identifier, wherein the parameter is based at least in part on a layer at which the L2 groupcast key is derived.