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Subspace-based blind channel estimation in multirate DS-CDMA system

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3 Author(s)
Rongbo Zhu ; Dept. of Electron. Eng., Shanghai Jiao Tong Univ. ; Xiaozhu Liu ; Yuhang Yang

Channel estimation is very important in wireless communication system. On discussing the signal model of variable spread spectrum gain multirate DS-CDMA system, this paper proposed a multirate subspace-based blind channel estimation algorithm. To overcome the high-complexity shortage of this algorithm, a modified approach is devised that offers tradeoff between performance and complexity. Finally performance analysis for multirate subspace-based blind algorithm and its modified algorithm are conducted. Simulation results proved the efficiency of the proposed algorithms

Published in:

Communications Systems, 2004. ICCS 2004. The Ninth International Conference on

Date of Conference:

7-7 Sept. 2004

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