ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,538,137, issued on Jan. 27, was assigned to Sago Strategic Solutions LLC (Wilmington, Del.).
"Active antenna system" was invented by Sven Petersson (Savedalen, Sweden), Bo Hagerman (Tyreso, Sweden), Martin Johansson (Molndal, Sweden) and Stefan Johansson (Romelanda, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an active antenna system, AAS, for controlling coverage in a telecommunication network, and the AAS comprising a plurality of subarrays each having multiple radiating elements. The AAS is configured to provide coverage in a coverage angular range and the plurality of subarrays comprising at least two types...