A Joint Demodulation and Decoding Algorithm for High Order LDPC Coded Modulations: A Joint Demodulation and Decoding Algorithm for High Order LDPC Coded Modulations

A Joint Demodulation and Decoding Algorithm for High Order LDPC Coded Modulations: A Joint Demodulation and Decoding Algorithm for High Order LDPC Coded Modulations

A concatenated code model is proposed for high-order Low-Density Parity-Check (LDPC) coded- modulation scheme. This model is comprised of a serial concatenation of an outer LDPC encoder, an inner Binary-Decimal Conversion (BDC) encoder and a puncture device. A joint parity-check matrix is derived fo...

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Veröffentlicht in:Dian zi yu xin xi xue bao = Journal of electronics & information technology 2010-02, Vol.32 (2), p.340-344
Hauptverfasser: Guan, Wu, Dong, Ming-ke, Xiang, Hai-ge
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container_title Dian zi yu xin xi xue bao = Journal of electronics & information technology
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creator Guan, Wu
Dong, Ming-ke
Xiang, Hai-ge
description A concatenated code model is proposed for high-order Low-Density Parity-Check (LDPC) coded- modulation scheme. This model is comprised of a serial concatenation of an outer LDPC encoder, an inner Binary-Decimal Conversion (BDC) encoder and a puncture device. A joint parity-check matrix is derived for the concatenated code, and the corresponding joint demodulation and decoding algorithm, named Concatenated-Code Belief Propagation (CCBP), is presented. Simulation results show that this LDPC coded modulation scheme with the CCBP algorithm provides effective improvements relative to the Bit Interleaved Coded Modulation (BICM) scheme for high-order modulations.
doi_str_mv 10.3724/SP.J.1146.2008.01287
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title A Joint Demodulation and Decoding Algorithm for High Order LDPC Coded Modulations: A Joint Demodulation and Decoding Algorithm for High Order LDPC Coded Modulations
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