US Patent Issued to Telefonaktiebolaget LM Ericsson on April 21 for "Filter unit for wideband multicarrier FDD operation" (Swedish Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,728, issued on April 21, was assigned to Telefonaktiebolaget LM Ericsson (Publ) (Stockholm).

"Filter unit for wideband multicarrier FDD operation" was invented by Piotr Jedrzejewski (Jarfalla, Sweden), Rui Hou (Taby, Sweden) and David Scafe (Sundbyberg, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a filter unit for wideband multicarrier FDD operation. The filter unit comprises an MXT, at least one isolator, and a filter bank. The MXT and the filter bank are connected via the at least one isolator. The MXT is configured to receive a TX wideband multicarrier signal as provided by at least one PA, and to 5 provide a first BP...