US Patent Issued to NEC on March 31 for "Communication system, receiver, equalization signal processing circuit, equalization signal processing method, and program" (Japanese Inventor)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,782, issued on March 31, was assigned to NEC Corp. (Tokyo).

"Communication system, receiver, equalization signal processing circuit, equalization signal processing method, and program" was invented by Manabu Arikawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A frequency domain filter receives an input signal in a frequency domain being blocked by an overlap-save method. The frequency domain filter multiplies the input signal in the frequency domain by a coefficient for each frequency. A coefficient updating unit adaptively updates a filter coefficient of the frequency domain filter. A constraint operation unit performs an operation of a ...