ALEXANDRIA, Va., May 5 -- United States Patent no. 12,621,861, issued on May 5, was assigned to MediaTek Singapore Pte. Ltd. (Singapore).

"Methods and apparatus for sidelink communications on unlicensed frequency bands" was invented by Jun-Qiang Cheng (Beijing), Tao Chen (Beijing) and Min Lei (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus and methods are provided for sidelink resource selection in unlicensed frequency bands. In one novel aspect, a combination of SL resource selection procedure and a listen-before-talk (LBT) procedure are used for resource selection in unlicensed frequency bands. In one embodiment, the LBT procedure is performed after the SL resource selection procedure. In...