ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,720,571, issued on Aug. 25, was assigned to Nokia Technologies Oy (Espoo, Finland).

"Transmisison of feedback information" was invented by Yong Liu (Shanghai), Tao Tao (Shanghai), Nuno Manuel Kiilerich Pratas (Aalborg, Denmark), Jianguo Liu (Shanghai) and Dong Li (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present disclosure relate to transmission of sidelink feedback information on unlicensed spectrum. The first device transmits a configuration to a second device and a third device. The configuration indicates a primary resource and at least one backup resource, where the primary resource is to be used by the third devic...