Effect of shadowing on the performance of space-time trellis coded systems

Murat Uysal, Costas N. Georghiades

Research output: Contribution to journalConference articlepeer-review


We analyze the performance of space-time trellis codes over shadowed Rician fading channels. The shadowed Rician channel is a generalization of the Rician model, where the line-of-sight path is subjected to a lognormal transformation due to foliage attenuation, also referred to as shadowing. We derive an exact expression on the pairwise error probability (PEP) for space-time trellis coded systems over this channel through the moment generating function method. The asymptotic analysis of PEP shows that the design criteria of space-time trellis codes proposed for Rayleigh fading still hold when used over shadowed Rician channels. We also present simulation results for bit error rate performance under different degrees of shadowing.

Original languageEnglish (US)
Pages (from-to)2163-2167
Number of pages5
JournalIEEE Vehicular Technology Conference
Issue number4
StatePublished - 2002
Event56th Vehicular Technology Conference - Vancouver, BC, Canada
Duration: Sep 24 2002Sep 28 2002


  • Fading channels
  • Pairwise error probability
  • Shadowing
  • Space-time trellis coding

ASJC Scopus subject areas

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics


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