• DocumentCode
    1145627
  • Title

    Adaptive MBER decision feedback multiuser receivers in frequency selective fading channels

  • Author

    De Lamare, Rodrigo C. ; Sampaio-Neto, Raimundo

  • Author_Institution
    CETUC/PUC-RIO, Rio de Janeiro, Brazil
  • Volume
    7
  • Issue
    2
  • fYear
    2003
  • Firstpage
    73
  • Lastpage
    75
  • Abstract
    In this letter we investigate adaptive minimum bit error rate (BER) decision feedback multiuser receivers for DS-CDMA systems in fast frequency selective Rayleigh fading channels. We examine stochastic gradient adaptive algorithms and introduce fast algorithms for minimizing the BER cost function from training data.
  • Keywords
    Rayleigh channels; adaptive signal detection; code division multiple access; error statistics; gradient methods; minimisation; multiuser detection; receivers; spread spectrum communication; stochastic processes; BER; DS-CDMA; Rayleigh fading channels; adaptive MBER decision feedback multiuser receivers; adaptive minimum bit error rate receivers; cost function; frequency selective fading channels; stochastic gradient adaptive algorithms; Bit error rate; Cost function; Decision feedback equalizers; Fading; Frequency; Intersymbol interference; Multiaccess communication; Multiple access interference; Multiuser detection; Vectors;
  • fLanguage
    English
  • Journal_Title
    Communications Letters, IEEE
  • Publisher
    ieee
  • ISSN
    1089-7798
  • Type

    jour

  • DOI
    10.1109/LCOMM.2002.808373
  • Filename
    1178891