Node structure of upgradable wavelength division...

Details Node structure of upgradable wavelength division... Node structure of upgradable wavelength division...

2006-02-21

2006-02-21

Bello, Agustin (Department: 2633)

Optical communications

Multiplex

Wavelength division or frequency division

C398S079000

Reexamination Certificate

active

07003227

ABSTRACT:
Disclosed is a node structure of an upgradeable wavelength division multiplexing system that can minimize the expense in implementing, maintaining, and upgrading the system. The node structure includes an interleaver for interleaving a plurality of optical signals received therein into a predetermined number of channels; at least one demultiplexer coupled to one of the output channels for demultiplexing the optical signals received thereto into a prescribed number of channels; at least one multiplexer for multiplexing the respective demultiplexed optical signals from the demultiplexer; and, a deinterleaver for deinterleaving the optical signals outputted from the multiplexer to be forwarded to the next node.

REFERENCES:
patent: 6341040 (2002-01-01), Tai et al.

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