METHOD AND SYSTEM FOR DETERMINING THE GAIN FOR AN OPTICAL SIGNAL

Title:

METHOD AND SYSTEM FOR DETERMINING THE GAIN FOR AN OPTICAL SIGNAL

Document Type and Number:

WIPO Patent Application WO2004107629

Kind Code:

A3

Abstract:

A method for determining gain for an optical signal includes measuring a first power level that is an output power level of an optical signal at a first optical node, communicating the optical signal to a second optical node, and communicating the first power level to the second optical node in an optical supervisory channel of the optical signal. The method further includes receiving the optical signal at the second optical node, measuring a second power level of the optical signal at the second optical signal based on the first and second power levels.

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Inventors:

TIAN CECHAN (US)
KINOSHITA SUSUMU (US)

Application Number:

PCT/US2004/016321

Publication Date:

January 06, 2005

Filing Date:

May 25, 2004

Export Citation:

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Assignee:

FUJITSU NETWORK COMMUNICATIONS (US)
TIAN CECHAN (US)
KINOSHITA SUSUMU (US)

International Classes:

H04B10/08; H04B10/29; H04J14/02; (IPC1-7): H04J14/02; H04B10/08; H04B10/17

Foreign References:

US20020080438A1	2002-06-27
US20030035171A1	2003-02-20
US20020186459A1	2002-12-12
US20030035170A1	2003-02-20

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