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In this study, based on multirate technique, the detection problem of DS-CDMA systems is transformed to an equivalent signal of beamforming systems. In this situation, the channel plus spreading code in DS-CDMA systems is equivalent to a steering matrix in the signal processing of beamforming systems. Based on an optimum beamforming technique, an optimum detection design is proposed for DS-CDMA systems. Furthermore, stochastic processes model the time-varying tap coefficients of multipath fading channels. The channel parameter or steering matrix estimation algorithm is developed based on the Kalman state estimation method. Finally, an adaptive design for DS-CDMA systems is also discussed in this paper. Consistency of the proposed method is shown, and some illustrative simulations are presented
Published in:
Signal Processing Advances in Wireless Communications, 1999. SPAWC '99. 1999 2nd IEEE Workshop on
Date of Conference: 1999
- Page(s):
- 207 - 210
- Meeting Date :
- 09 May 1999-12 May 1999
- Print ISBN:
- 0-7803-5599-7
- INSPEC Accession Number:
- 6504870
- Conference Location :
- Annapolis, MD
- Digital Object Identifier :
- 10.1109/SPAWC.1999.783055
- Product Type:
- Conference Publications
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