ALEXANDRIA, Va., July 23 -- United States Patent no. 12,369,116, issued on July 22, was assigned to NEC Corp. (Tokyo).

"Radio communication system, radio station, radio terminal, communication control method, and non-transitory computer readable medium" was invented by Hisashi Futaki (Tokyo) and Hiroaki Aminaka (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A radio terminal (3) can perform carrier aggregation using a first cell (10) of a first radio station (1) and a second cell (20) of a second radio station (2). The first radio station (1) or the second radio station (2) transmits constraint information to the radio terminal (3). The constraint information contains an information element necessary t...