US Patent Issued to Telefonaktiebolaget LM Ericsson on July 29 for "Active antenna system comprising coupling paths between feed networks" (Swedish, Chinese Inventors)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,374,789, issued on July 29, was assigned to Telefonaktiebolaget LM Ericsson (publ) (Stockholm).

"Active antenna system comprising coupling paths between feed networks" was invented by Christian Braun (Vallentuna, Sweden), Stefan Johansson (Romelanda, Sweden) and Haitao Liu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments described herein relate to an active antenna system. The active antenna system comprises an antenna array wherein the antenna array comprises a plurality of sub-arrays; a plurality of feed networks configured to couple respective signals from the plurality of sub-arrays to respective radio chains; and at least one cou...