THE SPACE-TIME CHANNEL IMPULSE RESPONSE ESTIMATION AND TRACKING FOR CDMA

Jiang Bofeng; Wang Wenjie; Yan Qinye

Volume 23 Issue 12

Dec. 2001

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Article Navigation > Journal of Electronics & Information Technology > 2001 > 23(12): 1390-1395

Jiang Bofeng, Wang Wenjie, Yan Qinye. THE SPACE-TIME CHANNEL IMPULSE RESPONSE ESTIMATION AND TRACKING FOR CDMA[J]. Journal of Electronics & Information Technology, 2001, 23(12): 1390-1395.

Citation:

Jiang Bofeng, Wang Wenjie, Yan Qinye. THE SPACE-TIME CHANNEL IMPULSE RESPONSE ESTIMATION AND TRACKING FOR CDMA[J]. Journal of Electronics & Information Technology, 2001, 23(12): 1390-1395.

Jiang Bofeng, Wang Wenjie, Yan Qinye. THE SPACE-TIME CHANNEL IMPULSE RESPONSE ESTIMATION AND TRACKING FOR CDMA[J]. Journal of Electronics & Information Technology, 2001, 23(12): 1390-1395.

Citation:

Jiang Bofeng, Wang Wenjie, Yan Qinye. THE SPACE-TIME CHANNEL IMPULSE RESPONSE ESTIMATION AND TRACKING FOR CDMA[J]. Journal of Electronics & Information Technology, 2001, 23(12): 1390-1395.

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THE SPACE-TIME CHANNEL IMPULSE RESPONSE ESTIMATION AND TRACKING FOR CDMA

Received Date: 1999-10-19
Rev Recd Date: 2000-02-18
Publish Date: 2001-12-19

Abstract

Abstract

Space-time channel can be described by Vector Channel Impulse Response (VCIR). Estimating and tracking the time varying VCIR is very important for smart antenna systems. In this paper an estimation and tracking method has been proposed. In this method, subspace technology has been used to estimate the VCIR, and approximate subspace tracking technology has been used to track the time varying VCIR. The tracking process has low computation burden. The computer simulation demonstrates that the VCIR tacking speed and accuracy can meet the need of smart antenna systems.

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References(1)

References

J.C. Liberti, T. S. Rappaort, Smart Antennas for Wireless Communications, NJ, Prentice Hall,1999, Ch.3-Ch.4.[2]Liu H, Xu G, Tong L, T. kailath, Recent development in blind channel equalization, From cyclostationarity to subspaces, Signal Processing, 1996, 50(1), 83-99.[3]Liu H, Xu G, A subspace method for signature waveform estimation in synchronous CDMA systems, IEEE Trans. on Commun., 1996, COM-44(10), 1346-1354.[4]蒋伯峰,王文杰,殷勤业,CDMA系统中上行信道的估计及多用户检测,西安交通大学学报,2000,34(8),15-20.[5]蒋伯峰,王文杰,殷勤业,利用波达方向矩阵法实现移动通信中多径信道与相对时延的联合估计,电子学报,1999,27(11A),140.

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