ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,425,943, issued on Sept. 23, was assigned to AT&T Technical Services Co. Inc. (Vienna, Va.).

"Methods, systems, and devices for broadcasting height-based threshold of base stations for unmanned aerial vehicles (UAVs) over mobile networks" was invented by Daniel Vivanco (Ashburn, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of the subject disclosure may include, for example, providing instructions to an Unmanned Aerial Vehicle (UAV), via a serving base station, to collect target height thresholds of target base stations. The UAV receives the target height thresholds from the target base stations, and transmits the target height thresholds ...