ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,473, issued on July 21, was assigned to NOKIA TECHNOLOGIES OY (Espoo, Finland).

"Hybrid automatic repeat request feedback for groupcast" was invented by Berthold Panzner (Munich), Nuno Manuel Kiilerich Pratas (Aalborg, Denmark), Lianghai Ji (Aalborg, Denmark) and Faranaz Sabouri-Sichani (Aalborg, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided receiving, by a receiver wireless device, a groupcast, from a transmitter wireless device of the groupcast, determining by the receiver wireless device, at least one trigger for requesting to modify Hybrid Automatic Repeat Request, HARQ, feedback, transmitting, by the receiver wireless...