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Performance evaluation of space-time codes in wideband CDMA over frequency-selective Rayleigh fading downlink channel

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2 Author(s)
Kunnari, E. ; Centre for Wireless Commun., Oulu Univ., Finland ; Tujkovic, D.

The performance of space-time block and trellis codes proposed for narrowband systems is evaluated in wideband code division multiple access (CDMA) system operating over a frequency-selective Rayleigh fading channel. The evaluation is done by both analysis and computer simulations. The considered space-time codes are shown to provide considerable performance improvement over uncoded single-antenna transmission at high signal-to-interference-plus-noise ratio (SINR), but at high system loads the performance is pronouncedly limited in frequency-selective channels due to increased interference

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Communications, 2001. ICC 2001. IEEE International Conference on  (Volume:10 )

Date of Conference: