Abstract
This paper presents and demonstrates a concatenated code model (CCM) for high order, low-density parity-check (LDPC) coded modulation, which consists of a serial concatenation of an outer LDPC encoder, an inner binary-decimal conversion (BDC) encoder and a puncture. A corresponding concatenated-code belief propagation (CCBP) decoding algorithm is derived for the proposed concatenated code. Compared to other algorithms, CCBP method provides a much more excellent parallel decoding process for high order modulations. Simulation results show that the proposed CCBP algorithm performs superior to conventional belief propagation (BP) decoding within a wide range of modulation orders.
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Zhang, H., Zhu, G., Jiang, H. (2014). Concatenated-Code Belief Propagation Decoding for High-Order LDPC Coded Modulations. In: Zhang, B., Mu, J., Wang, W., Liang, Q., Pi, Y. (eds) The Proceedings of the Second International Conference on Communications, Signal Processing, and Systems. Lecture Notes in Electrical Engineering, vol 246. Springer, Cham. https://doi.org/10.1007/978-3-319-00536-2_88
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DOI: https://doi.org/10.1007/978-3-319-00536-2_88
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