Efficient iterative receiver for Bit-Interleaved Coded Modulation according to the DVB-T2 standard

Meng Li 1, 2 Charbel Abdel Nour 1, 2 Christophe Jego 3 Jianxiao Yang 2 Catherine Douillard 1, 2
1 Lab-STICC_TB_CACS_IAS
Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance (UMR 3192)
Abstract : Bit-Interleaved Coded Modulation (BICM) offers a significant improvement in error correcting performance for coded modulations over fading channels compared to the previously existing techniques. Iterative processing at the receiver side can provide additional improvement to the BICM performance. In this paper, an efficient shuffled iterative receiver is investigated for the second generation of the terrestrial digital video broadcasting standard DVB-T2. The main contribution is scheduling an efficient message passing algorithm with low latency between the demapper and the LDPC decoder. A BER performance comparison between a fixed-point version that considers architectural constraints and a theoretical version over a fading channel with erasure is presented. It validates the potential of iterative receiver as practical and competitive solution for the DVB-T2 standard.
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Submitted on : Tuesday, August 30, 2011 - 5:02:29 PM
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Meng Li, Charbel Abdel Nour, Christophe Jego, Jianxiao Yang, Catherine Douillard. Efficient iterative receiver for Bit-Interleaved Coded Modulation according to the DVB-T2 standard. ICASSP 2011 IEEE 36th international Conference on Acoustics, Speech and Signal Processing, May 2011, Prague, Czech Republic. pp.3168 - 3171. ⟨hal-00617884⟩

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