Journal article Open Access

Protograph-Based Interleavers for Punctured Turbo Codes

Garzón Bohórquez, Ronald; Abdel Nour, Charbel; Douillard, Catherine


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{
  "inLanguage": {
    "alternateName": "eng", 
    "@type": "Language", 
    "name": "English"
  }, 
  "description": "<p>A method to design efficient puncture-constrained&nbsp;interleavers for turbo codes (TCs) is introduced. Resulting TCs&nbsp;profit from a joint optimization of puncturing pattern and&nbsp;interleaver to achieve an improved error rate performance. First,&nbsp;the puncturing pattern is selected based on the constituent&nbsp;code Hamming distance spectrum and on the TC extrinsic&nbsp;information exchange under uniform interleaving. Then, the&nbsp;interleaver function is defined via a layered design process&nbsp;taking account of several design criteria such as minimum span,&nbsp;correlation girth, and puncturing constraints. We show that&nbsp;applying interleaving with a periodic cross connection pattern&nbsp;that can be assimilated to a protograph improves error-correction&nbsp;performance when compared to the state-of-the-art TCs. An&nbsp;application example is elaborated and compared with the long&nbsp;term evolution (LTE) standard: a significant gain in performance&nbsp;can be observed. An additional benefit of the proposed technique&nbsp;resides in the important reduction of the search space for the&nbsp;different interleaver parameters.</p>", 
  "license": "http://creativecommons.org/licenses/by/4.0/legalcode", 
  "creator": [
    {
      "affiliation": "IMT Atlantique", 
      "@type": "Person", 
      "name": "Garz\u00f3n Boh\u00f3rquez, Ronald"
    }, 
    {
      "affiliation": "IMT Atlantique", 
      "@type": "Person", 
      "name": "Abdel Nour, Charbel"
    }, 
    {
      "affiliation": "IMT Atlantique", 
      "@id": "https://orcid.org/0000-0002-0437-7345", 
      "@type": "Person", 
      "name": "Douillard, Catherine"
    }
  ], 
  "url": "https://zenodo.org/record/1205415", 
  "image": "https://zenodo.org/static/img/logos/zenodo-gradient-round.svg", 
  "datePublished": "2017-12-15", 
  "headline": "Protograph-Based Interleavers for Punctured Turbo Codes", 
  "version": "Version 1", 
  "keywords": [
    "Turbo codes", 
    "Protograph", 
    "Puncturing pattern", 
    "Interleaver", 
    "Span", 
    "Correlation girth"
  ], 
  "@context": "https://schema.org/", 
  "identifier": "https://doi.org/10.1109/TCOMM.2017.2783971", 
  "@id": "https://doi.org/10.1109/TCOMM.2017.2783971", 
  "@type": "ScholarlyArticle", 
  "name": "Protograph-Based Interleavers for Punctured Turbo Codes"
}
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