ALEXANDRIA, Va., April 21 -- United States Patent no. 12,610,383, issued on April 21, was assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP. LTD. (Dongguan, China).

"Physical sidelink feedback channel (PSFCH) transmission method and terminal device" was invented by Zhenshan Zhao (Dongguan, China) and Shichang Zhang (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A Physical Sidelink Feedback Channel (PSFCH) transmission method and a terminal device. The method includes: receiving, by a first terminal, Physical Sidelink Shared Channel(s) (PSSCH(s)) transmitted by a second terminal on a plurality of carriers; determining, by the first terminal, to transmit a first PSFCH to the second ter...