Comparison of MUSIC and matched filter delay estimators in DS-CDMA

被引：0
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作者：
Luukkanen, P
Joutsensalo, J
机构：
来源：
PIMRC '97 - EIGHTH IEEE INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS: WAVES OF THE YEAR 2000+, TECHNICAL PROGRAM, PROCEEDINGS, VOLS 1-3 | 1997年
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TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper focuses on the initial code phase estimation, also called as acquisition, in the asynchronous multiuser CDMA system. The performance of the subspace-based MUSIC (Multiple Signal Classification) estimator is compared to the conventional matched filter. Simulation results for the communication system with ten users each having a 2-path Rayleigh fading channel and raised-cosine shaped chip waveform are presented. It is shown that the celebrated near-far resistance and the overall performance of MUSIC is maintained only at the signal-to-noise ratios higher than normally realizable in practical systems.
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页码：830 / 834
页数：5
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