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Reduced complexity Schnorr-Euchner decoding algorithms for MIMO systems

  • Zhan Guo
  • Peter Nilsson
Publiceringsår: 2004
Språk: Engelska
Sidor: 286-288
Publikation/Tidskrift/Serie: IEEE Communications Letters
Volym: 8
Nummer: 5
Dokumenttyp: Artikel i tidskrift
Förlag: IEEE--Institute of Electrical and Electronics Engineers Inc.


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.


  • Electrical Engineering, Electronic Engineering, Information Engineering
  • multi-input multi-output (MIMO) systems
  • sphere decoder
  • lattice decoder
  • Schnorr-Euchner (SE) decoder


  • Elektronikkonstruktion-lup-obsolete
  • ISSN: 1089-7798

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