NDLI: An efficient equivalent channel model for LDPC coded BICM-ID system

Content Provider	IEEE Xplore Digital Library
Author	Huiyun Jiang Lei Xie Huifang Chen
Copyright Year	2011
Description	Author affiliation: Dept. of Information Science and Electronic Engineering, Zhejiang University, No. 38, Zheda Road, Hangzhou 310027, P. R. China (Huiyun Jiang; Lei Xie; Huifang Chen)
Abstract	This paper focuses on the analysis of the decoding algorithm for low-density parity-check (LDPC) coded bit-interleaved coded modulation with iterative decoding (BICM-ID) scheme. An equivalent channel model for hard-decision feedback and soft-decision feedback iterative decoding is proposed. With the theory of independent and identically distributed (i.i.d.) binary transmitted system, the equivalent model is structured by random move between different points in the constellation and elimination of the effects of it afterwards. It is proved in the literature that by using the simplified method, the transmitter only considering all-zeros codeword suffices to elaborate the error performance compared with the entire encode-decode system. Simulation results show that conventional LDPC coded BICM-ID system and the simplified all-zeros model have the same expected decoder behavior. The proposed technique is flexible in LDPC coded BICM-ID system using the binary sum-product algorithm (SPA) and can be extended to any communication systems based on linear code and binary iterative decoder, which can bring about low complexity implementation during the simulation.
Starting Page	11
Ending Page	15
File Size	230149
Page Count	5
File Format	PDF
ISBN	9781612844855
e-ISBN	9781612844862
DOI	10.1109/ICCSN.2011.6013535
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-27
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	low-density parity-check codes (LDPC) symmetric binary channel Interleaved codes Decoding Complexity theory Binary phase shift keying all-zeros codeword bit-interleaved coded modulation with iterative decoding (BICM-ID) Iterative decoding
Content Type	Text
Resource Type	Article

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