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Phase Amplitude Coding in Modems

IP.com Disclosure Number: IPCOM000046417D
Original Publication Date: 1983-Jul-01
Included in the Prior Art Database: 2005-Feb-07
Document File: 2 page(s) / 40K

Publishing Venue

IBM

Related People

Godard, D: AUTHOR [+3]

Abstract

The coding technique presented here is based on a theory of G. Ungerboeck and I. Csajka (1).

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Phase Amplitude Coding in Modems

The coding technique presented here is based on a theory of G. Ungerboeck and I. Csajka (1).

In this coding technique, the 6 bits X*** SEE OTHER DOCUMENT ***

References

(1) G. Ungerboeck and I. Csajka, "On improving

data-link performance by increasing the channel

alphabet and introducing sequence coding,"

International Symposium on Information Theory, Runneby,

Sweden, June 1976.

(2) G. D. Forney, Jr., "The Viterbi Algorithm," Proc.

IEEE, 61, 268-278 (March 1973).

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