H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/08 (2006.01) G01N 21/01 (2006.01) H04B 10/17 (2006.01) H04B 10/24 (2006.01) H04B 17/02 (2006.01) H04B 10/145 (2006.01) H04B 10/148 (2006.01)
Patent
CA 2552578
A method and apparatus is provided for obtaining status information concerning an optical transmission path. The method begins by generating a COTDR probe signal having a prescribed wavelength and transmitting optical traffic signals and the COTDR probe signal over an optical transmission path (306) having a length corresponding to those used in regional undersea market applications. The prescribed wavelength of the COTDR probe signal is separated from wavelengths at which the optical traffic signals are located by a distance at least equal to a predetermined guard band. A backscattered and/or reflected portion of the COTDR probe signal in which status information concerning the optical path is embodied is received over the optical path. The backscattered and/or reflected portion of the COTDR probe signal is detected to obtain the status information.
L'invention concerne un procédé et un appareil destinés à obtenir des informations d'état concernant un trajet de transmission optique. Le procédé commence par générer un signal de sonde COTDR à longueur d'onde recommandée et à transmettre des signaux de trafic optique et le signal de sonde COTDR via un trajet de transmission optique à longueur correspondant à celle utilisée dans les applications de marché sous-marin régional. La longueur d'onde recommandée du signal de sonde COTDR est séparée des longueurs d'onde auxquelles les signaux de trafic optique sont définis par une distance au moins égale à un anneau de garde prédéfini. Une partie rétrodiffusée et/ou réfléchie du signal de sonde COTDR est détectée afin d'obtenir les informations d'état.
Ahern Glenn John
Cornwell William David
Edwards Henry Owen
Nagel Jonathan A.
Smith Stephen Arthur Hughes
Ahern Glenn John
Cornwell William David
Edwards Henry Owen
Kirby Eades Gale Baker
Nagel Jonathan A.
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