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Repeat accumulate codes for bit-interleaves coded modulation with iterative demapping

Lookup NU author(s): Dr Stephane Le Goff, Professor Bayan Sharif


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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.

Publication metadata

Author(s): Han WK, Le Goff SY, Sharif BS

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 6th IEEE International Conference on Signal Processing and Communications

Year of Conference: 2007

Pages: 1543-1546

Publisher: IEEE


DOI: 10.1109/ICSPC.2007.4728626

Library holdings: Search Newcastle University Library for this item

ISBN: 9781424412358