Conference paper Open Access

Terabits-per-Second Throughput for Polar Codes

Süral, Altug; Sezer, Göksu; Ertugrul, Yigit; Arikan, Orhan; Arikan, Erdal


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  <identifier identifierType="DOI">10.5281/zenodo.3477875</identifier>
  <creators>
    <creator>
      <creatorName>Süral, Altug</creatorName>
      <givenName>Altug</givenName>
      <familyName>Süral</familyName>
      <affiliation>POL</affiliation>
    </creator>
    <creator>
      <creatorName>Sezer, Göksu</creatorName>
      <givenName>Göksu</givenName>
      <familyName>Sezer</familyName>
      <affiliation>POL</affiliation>
    </creator>
    <creator>
      <creatorName>Ertugrul, Yigit</creatorName>
      <givenName>Yigit</givenName>
      <familyName>Ertugrul</familyName>
      <affiliation>POL</affiliation>
    </creator>
    <creator>
      <creatorName>Arikan, Orhan</creatorName>
      <givenName>Orhan</givenName>
      <familyName>Arikan</familyName>
      <affiliation>POL</affiliation>
    </creator>
    <creator>
      <creatorName>Arikan, Erdal</creatorName>
      <givenName>Erdal</givenName>
      <familyName>Arikan</familyName>
      <affiliation>POL</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Terabits-per-Second Throughput for Polar Codes</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2019</publicationYear>
  <subjects>
    <subject>Polar Codes</subject>
    <subject>Successive Cancellation - Majority Logic DECODING</subject>
  </subjects>
  <dates>
    <date dateType="Issued">2019-10-09</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Conference paper</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://zenodo.org/record/3477875</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.5281/zenodo.3477874</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://zenodo.org/communities/epic_h2020</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="https://creativecommons.org/licenses/by/4.0/legalcode">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;By using Majority Logic (MJL) aided Successive&amp;nbsp;Cancellation (SC) decoding algorithm, an architecture&amp;nbsp;and a specific implementation for high throughput polar&amp;nbsp;coding are proposed. SC-MJL algorithm exploits the low&amp;nbsp;complexity nature of SC decoding and the low latency&amp;nbsp;property of MJL. In order to reduce the complexity of&amp;nbsp;SC-MJL decoding, an adaptive quantization scheme is&amp;nbsp;developed within 1-5 bits range of internal log-likelihood&amp;nbsp;ratios (LLRs). The bit allocation is based on maximizing&amp;nbsp;the mutual information between the input and output&amp;nbsp;LLRs of the quantizer. This scheme causes a negligible&amp;nbsp;(0.1 &amp;lt; dB) performance loss when the code block length&amp;nbsp;is N = 1024 and the number of information bits is&amp;nbsp;K = 854. The decoder is implemented on 45nm ASIC&amp;nbsp;technology using deeply-pipelined, unrolled hardware architecture&amp;nbsp;with register balancing. The pipeline depth is&amp;nbsp;kept at 40 clock cycles in ASIC by merging consecutive&amp;nbsp;decoding stages implemented as combinational logic. The&amp;nbsp;ASIC synthesis results show that SC-MJL decoder has&amp;nbsp;427 Gb/s throughput at 45nm technology. When we scale&amp;nbsp;the implementation results to 7nm technology node, the&amp;nbsp;throughput reaches 1 Tb/s with under 10 mm2 chip area&amp;nbsp;and 0.37 W power dissipation.&lt;/p&gt;</description>
  </descriptions>
  <fundingReferences>
    <fundingReference>
      <funderName>European Commission</funderName>
      <funderIdentifier funderIdentifierType="Crossref Funder ID">10.13039/501100000780</funderIdentifier>
      <awardNumber awardURI="info:eu-repo/grantAgreement/EC/H2020/760150/">760150</awardNumber>
      <awardTitle>Enabling Practical Wireless Tb/s Communications with Next Generation Channel Coding</awardTitle>
    </fundingReference>
  </fundingReferences>
</resource>
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