ALEXANDRIA, Va., March 12 -- United States Patent no. 12,250,731, issued on March 11, was assigned to NOKIA TECHNOLOGIES OY (Espoo, Finland).
"Contention resolution in random access procedure" was invented by Chunli Wu (Beijing), Samuli Turtinen (Ii, Finland) and Benoist Sebire (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the disclosure provide a method, device and computer readable medium for contention resolution in RACH. According to embodiments of the present disclosure, the terminal devices transmit random access requests in random access channels and the network device transmits the response to the random access requests on the downlink control channel addressed to the common id...