REPEAT ACCUMULATE CODES FOR BIT-INTERLEAVED CODED MODULATION WITH ITERATIVE DEMAPPING

被引：0
|
作者：
Han, Wei Kwang [1 ]
Le Goff, Stephane Y. [1 ]
Sharif, Bayan S. [1 ]
机构：
[1] Univ Newcastle, Sch Elect Elect & Comp Engn, Newcastle Upon Tyne, Tyne & Wear, England
来源：
ICSPC: 2007 IEEE INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING AND COMMUNICATIONS, VOLS 1-3, PROCEEDINGS | 2007年
关键词：
Channel coding; Communication systems; Decoding; Demodulation; Message passing;
D O I：
暂无
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
Repeat Accumulate (RA) codes combine both the advantages of turbo codes and low-density parity-check (LDPC) codes by having low encoding complexity of turbo codes with low decoding complexity of LDPC codes. The RA interleaver is chosen by random construction using the bit-filling method. In this paper, we investigate the performance of bit interleaved coded modulation (BICM) with iterative decoding for bandwidth-efficient transmission. The performance of BICM with iterative decoding and demapping (BICM-ID) is also investigated. The choice of channel code and signal constellation mapping is selected for achieving close to optimum performance. Both BICM and BICM-ID systems using systematic RA codes with Gray labelling on an AWGN channel are considered. Simulation results are presented for 16-QAM examples for rates 1/2 and 3/4.
引用
收藏
页码：1543 / 1546
页数：4
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