Optical ring network for burst data communication

Details Optical ring network for burst data communication Optical ring network for burst data communication

2007-09-18

2007-09-18

Pascal, Leslie (Department: 2613)

Optical communications

Multiplex

Optical switching

C398S059000, C398S083000

Reexamination Certificate

active

10456166

ABSTRACT:
Disclosed is an optical ring network for burst data communication having a plurality of core nodes connected with each other through fiber links. Each core node comprises a demultiplexer for demultiplexing a received optical signal into a plurality of channels by wavelength, an add/drop section for dropping channels selected from the plurality of channels based on a control signal, a multiplexer for multiplexing and outputting the plurality of channels inputted through the add/drop section, a branching section arranged between the demultiplexer and the add/drop section for branching off channel portions from each channel, and a controller for recognizing destinations for frames with each channel modulated and outputting the control signal for dropping the selected channels to the add/drop section.

REFERENCES:
patent: 6850515 (2005-02-01), Chang et al.
patent: 2003/0063348 (2003-04-01), Posey, Jr.
patent: 2004/0151171 (2004-08-01), Lee et al.
patent: 2000-349828 (2000-12-01), None
patent: 2001-244954 (2001-09-01), None
patent: 2002-026982 (2002-01-01), None

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