ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,941, issued on Dec. 30, was assigned to Panasonic Intellectual Property Corporation of America (Torrance, Calif.).

"Base station, terminal, and communication method" was invented by Tomoya Nunome (Ishikawa, Japan), Hidetoshi Suzuki (Kanagawa, Japan), Takashi Iwai (Ishikawa, Japan) and Akihiko Nishio (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention improves transmission efficiency in unlicensed bands. This base station comprises: a control circuit for determining a cyclic prefix (CP) length coordinated between a terminal and the base station; and a transmission circuit for transmitting control information regarding t...