A low-complexity joint detection-decoding algorithm for nonbinary LDPC-coded modulation systems
Clinical Orthopaedics and Related Research（2010）
摘要
In this paper, we present a low-complexity joint detection-decoding algorithm for nonbinary LDPC coded-modulation systems. The algorithm combines hard-decision decoding using the message-passing strategy with the signal detector in an iterative manner. It requires low computational complexity, offers good system performance and has a fast rate of decoding convergence. Compared to the q-ary sum-product algorithm (QSPA), it provides an attractive candidate for practical applications of q-ary LDPC codes.
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关键词
modulation coding,nonbinary ldpc-coded modulation systems,signal detector,low-complexity joint detection-decoding algorithm,q-ary sum-product algorithm,hard-decision decoding,computational complexity,message-passing strategy,message passing,parity check codes,decoding,modulation,system performance,detectors,convergence,signal detection
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