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

Meng Li,Charbel Abdel Nour,Christophe Jégo,Jianxiao Yang,Catherine Douillard

ICASSP（2011）

引用 18|浏览4

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摘要

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 IDPC 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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关键词

modulation coding,ldpc decoder,bit-interleaved coded modulation,message passing algorithm,fixed-point version,terrestrial digital video broadcasting standard,fading channels,fading channel,iterative receiver,ber,error correction codes,rotated constellation,shuffled iterative receiver,digital video broadcasting,radio receivers,dvb-t2 standard,bicm,iterative decoding,ldpc code,error statistics,parity check codes,error correcting code,interleaved codes,schedules,fading,error correction,low latency,decoding,fixed point

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