ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,464,396, issued on Nov. 4, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).

"Channel sounding method and communication apparatus" was invented by Dongcheng Pan (Nanjing, China), Peng Chen (Nanjing, China), Bo Yang (Nanjing, China), Yinliang Hu (Nanjing, China) and Junhui Wang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application discloses a channel sounding method and a communication apparatus. The method includes: A first access point receives a channel transfer command frame from a controller or a central access point, and sends a channel transfer frame to a second access point. The channel transfer command fra...