Semi-exhaustive reduced-complexity recursive block decoding for MIMO systems

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Abstract

In this work we propose a new recursive block decoding method for MIMO systems. A complexity reduction is obtained compared to existing methods by avoiding the exhaustive decoding on one block. We propose the use of a semi-exhaustive search using a list composed of the Maximum Likelihood (ML) solution and its neighborhoods. We show through error probability derivation that we can achieve the full diversity by fixing a judicious choice of the list size or equivalently a threshold metric. A desired diversity order can be obtained by changing the list size. Simulation results show the obtained performances and the complexity gain.

Original languageEnglish
Title of host publication2016 23rd International Conference on Telecommunications, ICT 2016
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781509019908
DOIs
Publication statusPublished - 27 Jun 2016
Event23rd International Conference on Telecommunications, ICT 2016 - Thessaloniki, Greece
Duration: 16 May 201618 May 2016

Publication series

Name2016 23rd International Conference on Telecommunications, ICT 2016

Conference

Conference23rd International Conference on Telecommunications, ICT 2016
Country/TerritoryGreece
CityThessaloniki
Period16/05/1618/05/16

Keywords

  • Block decoding
  • Diversity order
  • MIMO systems
  • Recursive decoding
  • Reduced complexity

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