ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,538,255, issued on Jan. 27, was assigned to Nokia Technologies Oy (Espoo, Finland).

"Asset tracking joint sounding reference signal (SRS) transmission" was invented by Oana-Elena Barbu (Aalborg, Denmark), Johannes Harrebek (Aalborg, Denmark), Benny Vejlgaard (Gistrup, Denmark) and Ryan Keating (Chicago).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, methods, apparatuses, and computer program products for asset tracking joint sounding reference signal (SRS) transmission. A location management network node may send a positioning failure message to a serving network node. The serving network node may group devices if one or more criteria are met. W...