ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,704, issued on Nov. 18, was assigned to Ciena Corp. (Hanover, Md.).
"Bandwidth optimization for connection validation in pre-occupied spectrum" was invented by Choudhury A. Al Sayeed (Stittsville, Canada), Edward Chen (Calgary, Canada), Robert Palmer (Nepean, Canada) and Ran Tang (Kanata, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A Reconfigurable Optical Add/Drop Multiplexer (ROADM) includes degree components where there are one or more Media Channels (MCs) configured thereon; multiplexer and demultiplexer components; and a controller configured to, responsive to a request for a loopback test on Network Media Channel (NMC) that is part o...