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Reduced complexity Schnorr-Euchner decoding algorithms for MIMO systems

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Author

  • Zhan Guo
  • Peter Nilsson

Summary, in English

A new reduced-complexity Schnorr-Euchner decoding algorithm is proposed in this letter for uncoded multi-input multi-output systems, with q-QAM (q = 4, 16....) modulation. Furthermore, a Fano-like metric bias is introduced to the algorithm from the perspective of sequential decoding, as well as an early termination technique. Simulation results show that these modifications reduce the algorithm complexity efficiently, with only a small degradation in bit error rate at high signal to noise ratios.

Publishing year

2004

Language

English

Pages

286-288

Publication/Series

IEEE Communications Letters

Volume

8

Issue

5

Document type

Journal article

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • multi-input multi-output (MIMO) systems
  • sphere decoder
  • lattice decoder
  • Schnorr-Euchner (SE) decoder

Status

Published

Research group

  • Elektronikkonstruktion

ISBN/ISSN/Other

  • ISSN: 1089-7798