发明申请
US20060159464A1 Method and apparatus for in-service monitoring of a regional undersea optical transmission system using COTDR
审中-公开
使用COTDR的区域海底光传输系统的在线监测方法和装置
- 专利标题： Method and apparatus for in-service monitoring of a regional undersea optical transmission system using COTDR
- 专利标题（中）： 使用COTDR的区域海底光传输系统的在线监测方法和装置
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申请号： US11031517申请日： 2005-01-07
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公开(公告)号： US20060159464A1公开(公告)日： 2006-07-20
- 发明人: William David Cornwell , Henry Edwards , Stephen Evangelides , Jonathan Nagel , Nigel Taylor , Glenn Ahern , Stephen Smith
- 申请人： William David Cornwell , Henry Edwards , Stephen Evangelides , Jonathan Nagel , Nigel Taylor , Glenn Ahern , Stephen Smith
- 优先权： JP2001121883 20010420
- 主分类号： H04B10/00
- IPC分类号： H04B10/00
摘要：
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 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.
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