US Patent Issued to NEC on Nov. 25 for "Communication system, receiver, compensation amount calculation apparatus, distortion compensation method, and non-transitory computer readable medium" (Japanese Inventor)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,483,337, issued on Nov. 25, was assigned to NEC Corp. (Tokyo).

"Communication system, receiver, compensation amount calculation apparatus, distortion compensation method, and non-transitory computer readable medium" was invented by Masaki Sato (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A distortion compensation filter whose filter coefficient is adaptively controlled compensates for a distortion included in a reception signal obtained by performing coherent reception of a signal transmitted from a transmitter in a receiver. A group delay ripple calculation device calculates a group delay included in the reception signal based on a filter coef...