An Improvement on the Soft Reliability-Based Iterative Majority-Logic Decoding Algorithm for LDPC Codes

This paper presents an improvement of the reliability-based iterative majority-logic decoding algorithms for regular low-density parity-check (LDPC) codes proposed by Huang et al. We improve the computation of the extrinsic information that is used to update the reliability measure of each received...

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Veröffentlicht in:2010 IEEE Global Telecommunications Conference GLOBECOM 2010 S. 1 - 5
Hauptverfasser: Ngatched, T M N, Alfa, A S, Cai, J
Format: Tagungsbericht
Sprache:Englisch
Veröffentlicht: IEEE 01.12.2010
Schlagworte:
Algorithm design and analysis
Bit error rate
Decoding
Iterative decoding
Reliability
Signal to noise ratio
ISBN:1424456363, 9781424456369
ISSN:1930-529X
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Abstract This paper presents an improvement of the reliability-based iterative majority-logic decoding algorithms for regular low-density parity-check (LDPC) codes proposed by Huang et al. We improve the computation of the extrinsic information that is used to update the reliability measure of each received bit in each iteration with some kind of reliability measures of the check-sums that are orthogonal on the considered bit. The improved algorithm achieves a significant gain over the standard one with only a modest increase in computational complexity.
AbstractList This paper presents an improvement of the reliability-based iterative majority-logic decoding algorithms for regular low-density parity-check (LDPC) codes proposed by Huang et al. We improve the computation of the extrinsic information that is used to update the reliability measure of each received bit in each iteration with some kind of reliability measures of the check-sums that are orthogonal on the considered bit. The improved algorithm achieves a significant gain over the standard one with only a modest increase in computational complexity.
Author Cai, J
Ngatched, T M N
Alfa, A S
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  surname: Ngatched
  fullname: Ngatched, T M N
  email: ngatched@ee.umanitoba.ca
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  givenname: A S
  surname: Alfa
  fullname: Alfa, A S
  email: alfa@ee.umanitoba.ca
  organization: Dept. of Electr. & Comput. Eng., Univ. of Manitoba, Winnipeg, MB, Canada
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  givenname: J
  surname: Cai
  fullname: Cai, J
  email: jcai@ee.umanitoba.ca
  organization: Dept. of Electr. & Comput. Eng., Univ. of Manitoba, Winnipeg, MB, Canada
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Snippet This paper presents an improvement of the reliability-based iterative majority-logic decoding algorithms for regular low-density parity-check (LDPC) codes...
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SubjectTerms Algorithm design and analysis
Bit error rate
Decoding
Iterative decoding
Reliability
Signal to noise ratio
Title An Improvement on the Soft Reliability-Based Iterative Majority-Logic Decoding Algorithm for LDPC Codes
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