ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,526,043, issued on Jan. 13, was assigned to Verizon Patent and Licensing Inc. (Basking Ridge, N.J.).

"Systems and methods for distributed fiber sensing for ultra-long-haul transport networks" was invented by Tiejun J. Xia (Richardson, Texas) and Glenn A. Wellbrock (Wichita, Kan.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device may provide a first optical signal to a destination terminal via a fiber cable and a plurality of sensing repeaters provided at intermediate sites of an ultra-long-haul transport network. The device may receive a second optical signal, based on the first optical signal, via the fiber cable and the plurality of sensing repea...