ALEXANDRIA, Va., July 9 -- United States Patent no. 12,356,489, issued on July 8, was assigned to Telefonaktiebolaget LM Ericsson (Publ) (Stockholm).
"Keep-alive procedure for sidelink" was invented by Zhang Fu (Stockholm), Congchi Zhang (Aachen, Germany), Antonino Orsino (Kirkkonummi, Finland) and Shabnam Sultana (Montreal).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method performed by a first user equipment (UE) configured for device-to-device (D2D) wireless communication. The method includes starting a keep-alive timer associated with a unicast sidelink (SL) connection with a second UE configured for D2D wireless communication. In response to expiration of the keep-alive timer, without receiving a tr...