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A turbo-decoding message-passing algorithm for sparse parity-check matrix codes

Show simple item record Mansour M.M.
dc.contributor.editor 2006 2017-09-07T07:08:35Z 2017-09-07T07:08:35Z 2006
dc.identifier 10.1109/TSP.2006.880240
dc.description.abstract A turbo-decoding message-passing (TDMP) algorithm for sparse parity-check matrix (SPCM) codes such as low-density parity-check, repeat-accumulate, and turbo-like codes is presented. The main advantages of the proposed algorithm over the standard decoding algorithm are 1) its faster convergence speed by a factor of two in terms of decoding iterations, 2) improvement in coding gain by an order of magnitude at high signal-to-noise ratio (SNR), 3) reduced memory requirements, and 4) reduced decoder complexity. In addition, an efficient algorithm for message computation using simple max operations is also presented. Analysis using EXIT charts shows that the TDMP algorithm offers a better performance-complexity tradeoff when the number of decoding iterations is small, which is attractive for high-speed applications. A parallel version of the TDMP algorithm in conjunction with architecture-aware (AA) SPCM codes, which have embedded structure that enables efficient high-throughput decoder implementation, are presented. Design examples of AA-SPCM codes based on graphs with large girth demonstrate that AA-SPCM codes have very good error-correcting capability using the TDMP algorithm. © 2006 IEEE.
dc.format.extent Pages: (4376-4392)
dc.language English
dc.publisher PISCATAWAY
dc.relation.ispartof Publication Name: IEEE Transactions on Signal Processing; Publication Year: 2006; Volume: 54; no. 11; Pages: (4376-4392);
dc.source Scopus
dc.title A turbo-decoding message-passing algorithm for sparse parity-check matrix codes
dc.type Article
dc.contributor.affiliation Mansour, M.M., Department of Electrical and Computer Engineering, American University of Beirut, Beirut 1107 2020, Lebanon
dc.contributor.authorAddress Mansour, M.M.; Department of Electrical and Computer Engineering, American University of Beirut, Beirut 1107 2020, Lebanon; email:
dc.contributor.authorCorporate University: American University of Beirut; Faculty: Faculty of Engineering and Architecture; Department: Electrical and Computer Engineering;
dc.contributor.authorDepartment Electrical and Computer Engineering
dc.contributor.authorFaculty Faculty of Engineering and Architecture
dc.contributor.authorInitials Mansour, MA
dc.contributor.authorReprintAddress Mansour, MA (reprint author), Amer Univ Beirut, Dept Elect and Comp Engn, Beirut 11072020, Lebanon.
dc.contributor.authorUniversity American University of Beirut
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dc.description.citedCount 52
dc.description.citedTotWOSCount 45
dc.description.citedWOSCount 37
dc.format.extentCount 17
dc.identifier.coden ITPRE
dc.identifier.scopusID 33750387049
dc.publisher.address 445 HOES LANE, PISCATAWAY, NJ 08855 USA
dc.relation.ispartOfISOAbbr IEEE Trans. Signal Process.
dc.relation.ispartOfIssue 11
dc.relation.ispartofPubTitle IEEE Transactions on Signal Processing
dc.relation.ispartofPubTitleAbbr IEEE Trans Signal Process
dc.relation.ispartOfVolume 54
dc.source.ID WOS:000241537700027
dc.type.publication Journal
dc.subject.otherAuthKeyword Iterative decoding
dc.subject.otherAuthKeyword Low-density parity-check (LDPC) codes
dc.subject.otherAuthKeyword Ramanujan graphs
dc.subject.otherAuthKeyword Repeat-accumulate (RA) codes
dc.subject.otherAuthKeyword Turbo decoding algorithm
dc.subject.otherAuthKeyword Very large scale integration (VLSI) decoder architectures
dc.subject.otherIndex Algorithms
dc.subject.otherIndex Error correction
dc.subject.otherIndex Graph theory
dc.subject.otherIndex Iterative methods
dc.subject.otherIndex Signal to noise ratio
dc.subject.otherIndex Turbo codes
dc.subject.otherIndex VLSI circuits
dc.subject.otherIndex Iterative decoding
dc.subject.otherIndex Low-density parity-check (LDPC) codes
dc.subject.otherIndex Ramanujan graphs
dc.subject.otherIndex Repeat-accumulate (RA) codes
dc.subject.otherIndex Sparse parity-check matrix (SPCM) codes
dc.subject.otherIndex Turbo-decoding message-passing (TDMP) algorithm
dc.subject.otherIndex Decoding
dc.subject.otherKeywordPlus REPEAT-ACCUMULATE CODES
dc.subject.otherKeywordPlus DESIGN
dc.subject.otherKeywordPlus GRAPHS
dc.subject.otherWOS Engineering, Electrical and Electronic

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