On the performance of coded/shaped modulation

Fu Quan Wang; Lance C. Perez; Daniel J. Costello

doi:10.1109/ISIT.1994.394689

On the performance of coded/shaped modulation

Fu Quan Wang, Lance C. Perez, Daniel J. Costello

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Abstract

An upper bound on the error probability of a shaped modulation scheme is derived. The bound shows that nonequiprobable signaling affects the performance in two ways. First, it reduces the average signal energy which contributes positively to the shaping gain. Second, it reduces the "equivalent minimum distance" of the signal set relative to the noise level which contributes negatively to the shaping gain. The "equivalent minimum distance" becomes the true minimum distance in the signal set when the noise level is near zero (SNR → ∞). Thus, the conventional definition of shaping gain is in fact the asymptotic shaping gain.

Original language	English (US)
Title of host publication	Proceedings - 1994 IEEE International Symposium on Information Theory, ISIT 1994
Pages	329
Number of pages	1
DOIs	https://doi.org/10.1109/ISIT.1994.394689
State	Published - 1994
Externally published	Yes
Event	1994 IEEE International Symposium on Information Theory, ISIT 1994 - Trondheim, Norway Duration: Jun 27 1994 → Jul 1 1994

Publication series

Name	IEEE International Symposium on Information Theory - Proceedings
ISSN (Print)	2157-8095

Other

Other	1994 IEEE International Symposium on Information Theory, ISIT 1994
Country/Territory	Norway
City	Trondheim
Period	6/27/94 → 7/1/94

ASJC Scopus subject areas

Theoretical Computer Science
Information Systems
Modeling and Simulation
Applied Mathematics

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10.1109/ISIT.1994.394689

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Wang, FQ, Perez, LC & Costello, DJ 1994, On the performance of coded/shaped modulation. in Proceedings - 1994 IEEE International Symposium on Information Theory, ISIT 1994., 394689, IEEE International Symposium on Information Theory - Proceedings, pp. 329, 1994 IEEE International Symposium on Information Theory, ISIT 1994, Trondheim, Norway, 6/27/94. https://doi.org/10.1109/ISIT.1994.394689

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AB - An upper bound on the error probability of a shaped modulation scheme is derived. The bound shows that nonequiprobable signaling affects the performance in two ways. First, it reduces the average signal energy which contributes positively to the shaping gain. Second, it reduces the "equivalent minimum distance" of the signal set relative to the noise level which contributes negatively to the shaping gain. The "equivalent minimum distance" becomes the true minimum distance in the signal set when the noise level is near zero (SNR → ∞). Thus, the conventional definition of shaping gain is in fact the asymptotic shaping gain.

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ER -

On the performance of coded/shaped modulation

Abstract

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