ALEXANDRIA, Va., June 2 -- United States Patent no. 12,647,158, issued on June 2, was assigned to DATANG MOBILE COMMUNICATIONS EQUIPMENT Co. LTD. (Beijing).

"Signal transmission method and device, terminal and access network device" was invented by Wei Bai (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses a signal transmission method and device, a terminal and an access network device. The method is applied to a first access network device and includes: obtaining first position information of a second access network device and obtaining second position information of a target terminal; and determining a precoding coefficient for performing precoding processing on data s...