ALEXANDRIA, Va., July 30 -- United States Patent no. 12,375,329, issued on July 29, was assigned to CREDO TECHNOLOGY GROUP LTD (Grand Cayman, Cayman Islands).
"Transitioning between signal constellations" was invented by Fang Cai (Milpitas, Calif.), Junqing (Phil) Sun (Fremont, Calif.) and Haoli Qian (Fremont, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Accordingly, there are disclosed herein receivers and receiving methods that provide a graceful transition from PAM2 to PAM4 signaling. One illustrative method includes: negotiating a link speed having PAM4 signaling; performing adaption of at least one gain or filter coefficient during PAM2 signaling; switching to PAM4 detection before receiving PA...