US Patent Issued to Fujitsu on Sept. 16 for "Array antenna system and nonlinear distortion suppression method" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,418,316, issued on Sept. 16, was assigned to Fujitsu Ltd. (Kawasaki, Japan).

"Array antenna system and nonlinear distortion suppression method" was invented by Alexander Nikolaevich Lozhkin (Kawasaki, Japan), Tomoya Ota (Kawasaki, Japan) and Yoji Ohashi (Fucyu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An array antenna system includes DPD that suppresses first IMD in a first band adjacent to a band of a transmission signal, antenna elements that include a first element and a second element, phase shifters that each correspond to each of the elements and form a transmission signal directed to a predetermined direction and second IMD, by apply...