Low density parity check codes over half-duplex relay channels

Jun Hu; Tolga M. Duman

doi:10.1109/ISIT.2006.261872

Low density parity check codes over half-duplex relay channels

Jun Hu, Tolga M. Duman

Electrical, Computer, and Energy Engineering, School of (IAFSE-ECEE)

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

25 Scopus citations

Abstract

We describe coded cooperation strategies for half-duplex relay channels based on low density parity check (LDPC) codes. In addition to designing practical coding schemes and developing appropriate receiver structures, we also exploit the use of average mutual information to characterize and analyze the convergence behavior of the LDPC coded relay systems. Both the convergence analysis and simulation results show that the LDPC coded relay system can approach the theoretical information rates very closely (0.8 ∼ 1.1dB) over half-duplex relay channels, and their performance is superior to other alternatives, including, the use of turbo codes. Furthermore, we consider the optimization of the time-division parameters and the bit allocation strategies.

Original language	English (US)
Title of host publication	Proceedings - 2006 IEEE International Symposium on Information Theory, ISIT 2006
Pages	972-976
Number of pages	5
DOIs	https://doi.org/10.1109/ISIT.2006.261872
State	Published - 2006
Event	2006 IEEE International Symposium on Information Theory, ISIT 2006 - Seattle, WA, United States Duration: Jul 9 2006 → Jul 14 2006

Publication series

Name	IEEE International Symposium on Information Theory - Proceedings
ISSN (Print)	2157-8101

Other

Other	2006 IEEE International Symposium on Information Theory, ISIT 2006
Country/Territory	United States
City	Seattle, WA
Period	7/9/06 → 7/14/06

ASJC Scopus subject areas

Theoretical Computer Science
Information Systems
Modeling and Simulation
Applied Mathematics

Access to Document

10.1109/ISIT.2006.261872

Cite this

Hu, J & Duman, TM 2006, Low density parity check codes over half-duplex relay channels. in Proceedings - 2006 IEEE International Symposium on Information Theory, ISIT 2006., 4036109, IEEE International Symposium on Information Theory - Proceedings, pp. 972-976, 2006 IEEE International Symposium on Information Theory, ISIT 2006, Seattle, WA, United States, 7/9/06. https://doi.org/10.1109/ISIT.2006.261872

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abstract = "We describe coded cooperation strategies for half-duplex relay channels based on low density parity check (LDPC) codes. In addition to designing practical coding schemes and developing appropriate receiver structures, we also exploit the use of average mutual information to characterize and analyze the convergence behavior of the LDPC coded relay systems. Both the convergence analysis and simulation results show that the LDPC coded relay system can approach the theoretical information rates very closely (0.8 ∼ 1.1dB) over half-duplex relay channels, and their performance is superior to other alternatives, including, the use of turbo codes. Furthermore, we consider the optimization of the time-division parameters and the bit allocation strategies.",

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AB - We describe coded cooperation strategies for half-duplex relay channels based on low density parity check (LDPC) codes. In addition to designing practical coding schemes and developing appropriate receiver structures, we also exploit the use of average mutual information to characterize and analyze the convergence behavior of the LDPC coded relay systems. Both the convergence analysis and simulation results show that the LDPC coded relay system can approach the theoretical information rates very closely (0.8 ∼ 1.1dB) over half-duplex relay channels, and their performance is superior to other alternatives, including, the use of turbo codes. Furthermore, we consider the optimization of the time-division parameters and the bit allocation strategies.

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Low density parity check codes over half-duplex relay channels

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