ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,538,132, issued on Jan. 27, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Communication system, communication method, and communication apparatus" was invented by Xueqiang Yan (Shanghai), Mingyu Zhao (Shanghai), Jianjun Wu (Shanghai) and Xueli An (Munich).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure provides a communication system and a communication method. The communication system may include a network service node (NSN) and a user service node (USN). The NSN communicates with the USN through an external interface. The NSN includes an authentication function entity and/or an access management function entity. The U...