US Patent Issued to Infinera on Feb. 18 for "Data synchronization in optical networks and devices" (Canadian, American Inventors)

ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,231,175, issued on Feb. 18, was assigned to Infinera Corp. (San Jose, Calif.).

"Data synchronization in optical networks and devices" was invented by Mehdi Torbatian (Ottawa), Yuliang Gao (Ottawa), Ahmed Morra (Ottawa), Han Henry Sun (Ottawa) and Yeongho Park (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Joint estimation of the framer index and the frequency offset in an optical communication system are described among various other features. A transmitter can transmit data frames using pilot and framer symbols. A receiver can estimate the framer index and frequency offset using the pilot and framer symbols, and identify the beginnin...