ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,617, issued on April 29, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).

"Communication device, control circuit, and storage medium" was invented by Daichi Uchino (Tokyo), Kazuaki Ishioka (Tokyo) and Yusuke Kinoshita (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A communication device is a base station that communicates with mobile terminals by radiating communication beams within a coverage, the communication beams including a first beam and a second beam having a shorter radio wave propagation distance than the first beam at a same transmission power, the coverage including a plurality of virtual cells. The communication device includes:...