대한전자공학회:학술대회논문집 (Proceedings of the IEEK Conference)
- 대한전자공학회 2002년도 ITC-CSCC -3
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- Pages.1689-1692
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- 2002
Analysis of DS-CDMA System with Smart Antenna for Different Bandwidths in the Wideband Multipath Channel
- Jeon, Jun-Soo (Dept. of Electronics & Computer Engineering, Chonnam National University) ;
- Lee, Jeong-Won (Dept. of Electronics & Computer Engineering, Chonnam National University) ;
- Kim, Cheol-Sung (Dept. of Electronics & Computer Engineering, Chonnam National University)
- 발행 : 2002.07.01
초록
In this paper, the performance of DS-CDMA system with smart antenna is analyzed for different bandwidths (1.25MHz, 5MHz) and different channel environments (rural, urban). For the analysis of smart antenna system, the vector channel having the spatio-temporal correlation is modeled as a time- variant linear filter in time, and each multipath is assumed as a reflective wave from only one direction (only one cluster) in space. Several multipaths within one chip are distinguished into each one and the strongest signal is selected. DS-CDMA system with smart antenna using wider bandwidth present better performance than that using narrow bandwidth. It is shown that the smart antenna is more effective in urban area when using 2D-RAKE receiver.
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