ALEXANDRIA, Va., March 5 -- United States Patent no. 12,244,522, issued on March 4, was assigned to SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY Ltd. (Shanghai).

"Method and device in a node used for wireless communication" was invented by Lu Wu (Shanghai) and Xiaobo Zhang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a method and device in a node for wireless communication. A first node receives a first signaling; transmits a first signal, a first reference signal and a first demodulation reference signal in the first time-frequency resource block set; and transmits a second signal, a second reference signal and a second demodulation reference signal in the sec...