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Received: 2006-06-29

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Journal of Zhejiang University SCIENCE A 2007 Vol.8 No.4 P.615~619

http://doi.org/10.1631/jzus.2007.A0615


Optimal transmission strategy for spatially correlated MIMO systems with channel statistical information


Author(s):  ZHAO Zhen-shan, XU Guo-zhi

Affiliation(s):  Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

Corresponding email(s):   zzs@sjtu.edu.cn

Key Words:  MIMO, Optimal transmission strategy, Channel statistical information


ZHAO Zhen-shan, XU Guo-zhi. Optimal transmission strategy for spatially correlated MIMO systems with channel statistical information[J]. Journal of Zhejiang University Science A, 2007, 8(4): 615~619.

@article{title="Optimal transmission strategy for spatially correlated MIMO systems with channel statistical information",
author="ZHAO Zhen-shan, XU Guo-zhi",
journal="Journal of Zhejiang University Science A",
volume="8",
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pages="615~619",
year="2007",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2007.A0615"
}

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%T Optimal transmission strategy for spatially correlated MIMO systems with channel statistical information
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%A XU Guo-zhi
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2007.A0615

TY - JOUR
T1 - Optimal transmission strategy for spatially correlated MIMO systems with channel statistical information
A1 - ZHAO Zhen-shan
A1 - XU Guo-zhi
J0 - Journal of Zhejiang University Science A
VL - 8
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SP - 615
EP - 619
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Y1 - 2007
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2007.A0615


Abstract: 
In real multiple-input multiple-output (MIMO) systems, the perfect channel state information (CSI) may be costly or impossible to acquire. But the channel statistical information can be considered relatively stationary during long-term transmission. The statistical information can be obtained at the receiver and fed back to the transmitter and do not require frequent update. By exploiting channel mean and covariance information at the transmitter simultaneously, this paper investigates the optimal transmission strategy for spatially correlated MIMO channels. An upper bound of ergodic capacity is derived and taken as the performance criterion. Simulation results are also given to show the performance improvement of the optimal transmission strategy.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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