ALEXANDRIA, Va., March 24 -- United States Patent no. 12,587,253, issued on March 24, was assigned to NTT DOCOMO Inc. (Tokyo).

"Base station and method for a cooperative scheme in signal transmission" was invented by Tatsuki Okuyama (Tokyo), Satoshi Suyama (Tokyo) and Takahiro Asai (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "This base station has: a control unit that determines, on the basis of information shown by the movement of a terminal, a linking method for signal transmission by a plurality of wireless stations, and the number of streams of each wireless station; and a transmission unit that links the plurality of wireless stations according to the determined linking method, and transmits a ...