Commutation Signaling to Combat ISI over Nakagami and Ricean Fading

  • Authors:

  • Américo M. C. Correia

  • Affiliations:

  • Instituto Superior Técnico - DEEC Portugal. E-mail: eamcc@alfa.ist.utl.pl

  • Venue:
  • Wireless Personal Communications: An International Journal
  • Year:
  • 1998

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Abstract

Bandwidth expanding signaling with quasi-orthogonal short codes is considered. The evaluation of the average probability of error analyticallyand by simulation is presented, for channels with multipath induced intersymbol interference (ISI) and for two different fading distributions.Namely Nakagami and Ricean fading distributions. The effect of intercell interference due to frequency reuse is also taken into account. Bit error rates (BER) for rake receiver with equal gain combining and postdetection integrator are presented. Both DBPSK and π/41 DQPSK modulations with noncoherent demodulation are analysed. The effect of TCM coding, in the expected BER is also evaluated.