Multirate schemes for multimedia applications in DS / CDMA Systems

  title={Multirate schemes for multimedia applications in DS / CDMA Systems},
  author={Tony Ottosson and Arne Svensson},
Different modulation schemes supporting multiple data rates in a Direct Sequence Code Division Multiple Access (DS/CDMA) system are studied. Both AWGN and multipath Rayleigh fading channels are considered. It is shown that the multi processing-gain scheme and the multi-channel scheme have almost the same performance. However, the multi-channel scheme has some advantages due to easier code design and multiuser receiver construction. The drawback though, is the need for linear amplifiers also in… CONTINUE READING

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