ALEXANDRIA, Va., June 6 -- United States Patent no. 12,284,658, issued on April 22, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).

"Device-to-device D2D transmission method and communication apparatus" was invented by Mao Yang (Xi'an, China), Yuchen Guo (Shenzhen, China), Yunbo Li (Shenzhen, China) and Bo Li (Xi'an, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application discloses example device-to-device (D2D) transmission methods and communication apparatuses. One example method includes receiving, by a station, a trigger frame sent by an access point, where the trigger frame includes a user information field, the user information field includes an identifier of the station, ...