ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,538,053, issued on Jan. 27, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Signal processing method and apparatus, and communication system" was invented by Yu Tian (Dongguan, China) and Donglin Wang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A signal processing method and apparatus, and a communication system, and relates to the field of communication technologies. The method includes: a processing unit of a first device first determines a distortion parameter of an eye pattern of a first PAM-N signal transmitted by a transmitting unit in the first device, then performs anti-distortion preprocessing on a second PAM-N sig...