US Patent Issued to NTT on Feb. 3 for "Signal processing apparatus, signal processing method and communication system" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,613, issued on Feb. 3, was assigned to NTT Inc. (Tokyo).

"Signal processing apparatus, signal processing method and communication system" was invented by Masanori Nakamura (Musashino, Japan), Takayuki Kobayashi (Musashino, Japan), Yoshiaki Kisaka (Musashino, Japan) and Yutaka Miyamoto (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A receiver convolves an impulse response for compensating for frequency characteristics and a complex impulse response for wavelength dispersion compensation with each of a real component and an imaginary component of each polarized wave of a reception signal. For each polarized wave, the receiver performs...