ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,526,112, issued on Jan. 13, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Method for sending demodulation reference signal, method for receiving demodulation reference signal, and communication apparatus" was invented by Huangping Jin (Shanghai), Xiaohan Wang (Shanghai), Wei Han (Shanghai), Shibin Ge (Shanghai), Xiang Ren (Boulogne Billancourt, France), Yong Liu (Shanghai) and Xiaoyan Bi (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application discloses a method for sending a demodulation reference signal. In the method, a network device generates a first signal and sends the first signal on a first time-frequency re...