Acknowledgement using subcarrier multiplexed tones

Details Acknowledgement using subcarrier multiplexed tones Acknowledgement using subcarrier multiplexed tones

1994-06-10

1997-03-18

Pascal, Leslie

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359133, 359165, H04J 1402

Patent

active

056128061

ABSTRACT:
Subcarrier multiplexed acknowledgment tones are used for contention recovery in multiple-access WDM networks with basedband data packets and subcarrier multiplexed control headers. Upon receiving a data message from another node, the receiving node sends a subcarrier acknowledgement tone to the transmitter thus informing the transmitting node that the message has been received. The thoughput of the network is significantly improved. In an alternative embodiment, an acknowledgement is sent from the receiver by impressing a data message on a subcarrier.

REFERENCES:
patent: 4220869 (1982-05-01), Robieux
patent: 4710914 (1987-12-01), Robieux
patent: 5229995 (1993-07-01), Strawczynski
patent: 5289302 (1994-02-01), Eda

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