A low-complexity joint detection-decoding algorithm for nonbinary LDPC-coded modulation systems

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, offer...

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Vydáno v:2010 IEEE International Symposium on Information Theory s. 794 - 798
Hlavní autoři: Xuepeng Wang, Baoming Bai, Xiao Ma
Médium: Konferenční příspěvek
Jazyk:angličtina
Vydáno: IEEE 01.06.2010
Témata:
Computational complexity
Convergence
Detectors
Iterative algorithms
Iterative decoding
Modulation coding
Parity check codes
Signal detection
Sum product algorithm
System performance
ISBN:9781424478903, 1424478901
ISSN:2157-8095
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Abstract 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.
AbstractList 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.
Author Xuepeng Wang
Xiao Ma
Baoming Bai
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  surname: Baoming Bai
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  organization: State Key Lab. of ISN, Xidian Univ., Xi'an, China
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  surname: Xiao Ma
  fullname: Xiao Ma
  email: maxiao@mail.sysu.edu.cn
  organization: Dept. of ECE, Sun Yat-sen Univ., Guangzhou, China
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Snippet In this paper, we present a low-complexity joint detection-decoding algorithm for nonbinary LDPC coded-modulation systems. The algorithm combines hard-decision...
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StartPage 794
SubjectTerms Computational complexity
Convergence
Detectors
Iterative algorithms
Iterative decoding
Modulation coding
Parity check codes
Signal detection
Sum product algorithm
System performance
Title A low-complexity joint detection-decoding algorithm for nonbinary LDPC-coded modulation systems
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