ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,720,391, issued on Aug. 25, was assigned to Huawei Technologies Co. LTD. (Shenzhen, China).

"Communication method, apparatus, and system" was invented by Jing Liu (Shenzhen, China), Yuanping Zhu (Shanghai), Longhua Guo (Shanghai) and Li Hu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application provides a communication method, apparatus, and system. The method includes: A first node communicates with a first donor node by using a first key, where the first key includes a key used for communication over an air interface and/or a key 1 used for communication over an F1 interface. After the first node receives first information from the f...