ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,881, issued on May 20, was assigned to Telefonaktiebolaget LM Ericsson (publ) (Stockholm).
"Light-communication based control of radio transmissions" was invented by Athanasios Stavridis (Malmo, Sweden) and Leif Wilhelmsson (Lund, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A position of a wireless device (11) is determined based on an optical communication signal transmitted between the wireless device (11) and one or more access points (10) of the wireless communication network. The determined position is used for controlling beamforming processing of radio communication signals transmitted between the wireless device (10) and one or mor...