Digital performance monitoring for an optical communications...

Details Digital performance monitoring for an optical communications... Digital performance monitoring for an optical communications...

2002-05-15

2008-11-25

Tran, Dzung D (Department: 2613)

Optical communications

Diagnostic testing

Determination of communication parameter

C398S025000, C398S189000

Reexamination Certificate

active

07457538

ABSTRACT:
A digital performance monitoring method and system for an optical communications system utilizes a channel monitor and a digital signal processor (DSP). The channel monitor is designed to monitor a respective channel signal of the optical communications system, and includes: a sample memory adapted to store sample data including a set of sequential N-bit (where N≧1) samples generated by an Analog-to-Digital (A/D) converter at a timing of a predetermined sample clock during a predetermined time interval; and a controller adapted to control storage of the sample data to the sample memory. The digital signal processor (DSP) is designed to calculate at least one performance parameter of the optical communications system based on the sample data.

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