ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,349, issued on March 17, was assigned to SK TELECOM Co. LTD. (Seoul, South Korea).

"Method by which UPF node including plurality of UPF instances performs QoS monitoring, and UPF node performing same method" was invented by Dong Jin Lee (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for performing quality of service (QoS) monitoring by a UPF node including a plurality of UPF instances according to an embodiment of the present disclosure, may comprise: receiving a subscription request for the plurality of UPF instances through a service-based interface from a network function node; performing the QoS monitoring for each ...