ALEXANDRIA, Va., March 24 -- United States Patent no. 12,587,826, issued on March 24, was assigned to Telefonaktiebolaget LM Ericsson (publ) (Stockholm).

"Roaming for UE of a NPN" was invented by Patrik Salmela (Espoo, Finland) and Vesa Lehtovirta (Espoo, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A first network node (20N) in a first communication network (20) transmits information to a second network node (10N) in a second communication network (10). The information indicates a third communication network (30) is in a control signaling path (15) between a communication device (2) and the second communication network (10). In some embodiments, the first network node (20N) and/or the second netwo...