ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,718, issued on Sept. 22, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Packet loss rate detection method, communication apparatus, and communication system" was invented by Youyang Yu (Shanghai), Shufeng Shi (Xi'an, China) and Wenfu Wu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a packet loss rate detection method, a session management network element determines that link status detection needs to be performed on a link on which a service flow is located; and the session management network element sends a link status detection indication to a first device and/or a second device, where the link status detection in...