ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,425,971, issued on Sept. 23, was assigned to Nokia Solutions and Networks Oy (Espoo, Finland).

"Distortion reducing precoding" was invented by Rosanah Murugesu (Murray Hill, N.J.) and Hungkei Chow (Murray Hill, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus may be configured to receive a signal to be transmitted via an array of antennas by a zero-forcing precoder, wherein the signal is processed by the linear precoder based on one or more input power criteria for power amplifiers of the array of antennas; apply a distortion reducing matrix to the processed signal, wherein the distortion reducing matrix is trained to reduce the distort...