Blind data detection and channel estimation for CDMA systems over fading channels
Code-division multiple access (CDMA) technology is attractive as a popular multiple access scheme for personal, cellular and satellite communication services. Direct-sequence CDMA (DS-CDMA) is the most popular CDMA technique, which has been proposed for cellular telecommunication services due to num...
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| Format: | Theses and Dissertations |
| Published: |
2008
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| Online Access: | https://hdl.handle.net/10356/3929 |
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| Institution: | Nanyang Technological University |
| Summary: | Code-division multiple access (CDMA) technology is attractive as a popular
multiple access scheme for personal, cellular and satellite communication services. Direct-sequence CDMA (DS-CDMA) is the most popular CDMA technique, which has been proposed for cellular telecommunication services due to numerous advantages over time-division multiple access and frequency-division multiple access. This thesis is concerned with DS-CDMA systems operating over flat fading channel, frequency-selective fading channel with white Gaussian background noise. This thesis deals with the problem of the channel estimation and multiuser detection for the DS-CDMA system over the fading channels. Several methods are developed for both cases of the flat fading channels and frequency-selective fading channels in order to improve the performance and/or reduce the computational complexity of the multiuser detection. |
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