US Patent Issued to BRITISH TELECOMMUNICATIONS on July 14 for "Detecting a disconnect at a DSLAM" (British Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,684,062, issued on July 14, was assigned to BRITISH TELECOMMUNICATIONS PLC (London).

"Detecting a disconnect at a DSLAM" was invented by Lykourgos Kekempanos (London) and Feiyu Fang (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "Detecting a short disconnection in a digital subscriber line, for example where the disconnection is near the DSLAM. A SELT UER trace is obtained from the digital subscriber line. The trace is analysed to determine its smoothness, as relatively smooth traces result from shorter lines. The smoothness measure can be calculated by applying some function to the differences of the amplitude between successive frequency tones....