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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.
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
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