ALEXANDRIA, Va., March 19 -- United States Patent no. 12,256,431, issued on March 18, was assigned to QUALCOMM Inc. (San Diego).

"Retransmissions over a sidelink unlicensed band" was invented by Qing Li (Princeton Junction, N.J.), Junyi Li (Fairless Hills, Pa.), Shuanshuan Wu (San Diego) and Hong Cheng (Basking Ridge, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may transmit, to a second UE, an initial transmission of a transport block via a sidelink unlicensed band. The UE may receive, from the second UE, a negative acknowledgement (NACK) based at least in part on the ini...