ALEXANDRIA, Va., April 9 -- United States Patent no. 12,273,748, issued on April 8, was assigned to Telefonaktiebolaget LM Ericsson (publ) (Stockholm).

"Monitoring the performance of a plurality of network nodes" was invented by Lackis Eleftheriadis (Valbo, Sweden), Yifei Jin (Solna, Sweden), Jawwad Ahmed (Kista, Sweden) and Athanasios Karapantelakis (Solna, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method and apparatus obtain a plurality of data sets. A data set comprises a respective value of a performance metric for each of a plurality of network nodes interconnected in a multi-hop arrangement. Each of the plurality of data sets is classified as normal or abnormal by com...