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VLSI implementation issues of lattice decoders for MIMO systems

Publiceringsår: 2004
Språk: Engelska
Sidor: 477-480
Publikation/Tidskrift/Serie: 2004 IEEE International Symposium on Circuits and Systems
Dokumenttyp: Konferensbidrag
Förlag: IEEE

Sammanfattning

Lattice decoders for MIMO systems, including the sphere decoder (SD) and the Schnorr-Euchner (SE) decoder, have been shown to approach the performance of Maximum-likelihood decoder with low complexity. There are three kinds of lattice decoder, sequential SD, K-best SD and sequential SE, which are popular in the literature. As a modification to the K-best SD, a lower complexity K-best SE is proposed in this paper. Furthermore, the K-best SE is shown to be a more suitable choice for VLSI implementation than the other decoders due to its low complexity in fixed-point implementation

Disputation

Nyckelord

  • Technology and Engineering
  • MIMO systems
  • Schnorr-Euchner decoder
  • fixed point implementation
  • lattice decoders
  • maximum likelihood decoder
  • sphere decoder
  • VLSI implementation

Övriga

2004 IEEE International Symposium on Circuits and Systems
23-26 May 2004
Vancouver, BC, Canada
Published
Yes
  • Elektronikkonstruktion
  • ISBN: 0-7803-8251-X

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