NDLI: Performance analysis of BP-based algorithms for irregular low-density parity-check codes on fast Rayleigh fading channel

Content Provider	IEEE Xplore Digital Library
Author	Ohhashi, A. Ohtsuki, T.
Copyright Year	2004
Description	Author affiliation: Graduate Sch. of Sci. & Technol., Tokyo Univ. of Sci., Chiba, Japan (Ohhashi, A.)
Abstract	In this paper, we analyze the performance of irregular low-density parity-check (LDPC) codes with three belief propagation (BP) based decoding algorithms, namely, the uniformly most powerful (UMP) BP-based algorithm, the normalized BP-based algorithm, and the offset BP-based algorithm on a fast Rayleigh fading channel by using density evolution (DE). We also optimize the code construction of the irregular LDPC codes with three BP-based algorithms, and determine optimum parameters for the normalized BP-based algorithm and the offset BP-based algorithm on the fast Rayleigh fading channel. From the numerical results, we show that the performance of the irregular LDPC codes with offset BP-based algorithm can be very close to that with the BP algorithm on the fast Rayleigh fading channel. We also show that the irregular LDPC codes with offset BP-based algorithm can achieve a very good trade-off between the performance and decoding complexity.
Starting Page	2530
Ending Page	2534
File Size	665563
Page Count	5
File Format	PDF
ISBN	0780385217
ISSN	10903038
DOI	10.1109/VETECF.2004.1400512
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-09-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ohhashi, A. Ohtsuki, T. Fading Iterative algorithms Algorithm design and analysis Belief propagation AWGN Additive white noise Iterative decoding Error analysis
Content Type	Text
Resource Type	Article

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