Abstract
A signal identification method for efficiently identifying Dense Wavelength Division Multiplexing (DWDM) channel modulation formats, signal powers, and center frequency detuning of signals that may be used in conjunction with telecom-grade monitoring equipment. The method utilizes least-square curve fitting estimates applied to a set of curves, each curve is characteristic of a modulation format and rate. For each least-square estimate an error value is calculated, and a curve fit with the least error is selected as the identified signal format for a signal.
| Original language | American English |
|---|---|
| Patent number | US2007071441 |
| IPC | H04B 10/ 08 A I |
| Priority date | 24/09/05 |
| State | Published - 29 Mar 2007 |
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