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A family of irregular LDPC codes with low encoding complexity

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posted on 2025-05-10, 10:25 authored by Sarah JohnsonSarah Johnson, Steven WellerSteven Weller
We consider irregular quasi-cyclic low-density parity-check (LDPC) codes derived from difference families. The resulting codes can be encoded with low complexity and perform well when iteratively decoded with the sum-product algorithm.

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Related Materials

  1. 1.
    DOI - Is published in https://doi.org/10.1109/LCOMM.2002.808375
  2. 2.
    ISSN - Is version of https://portal.issn.org/resource/ISSN/1089-7798

Journal title

IEEE Communications Letters

Volume

7

Issue

2

Pagination

79-81

Publisher

Institute of Electrical and Electronics Engineers (IEEE)

Language

  • en, English

College/Research Centre

Faculty of Engineering and Built Environment

School

School of Electrical Engineering and Computer Science

Rights statement

Copyright © 2003 IEEE. Reprinted from IEEE Communications Letters, Vol. 7, Issue 2, p. 79-81. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of the University of Newcastle's products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to pubs-permissions@ieee.org. By choosing to view this document, you agree to all provisions of the copyright laws protecting it.

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    Keywords

    difference familiesiterative decodinglow encoding complexityquasi-cyclic low-density parity-check codessum-product algorithmsum-product decodingcomputational complexitycyclic codesparity check codes

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