Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/23534
Title: Performance analysis for MIMO systems using zero forcing detector over fading channels
Authors: Xu, R
Lau, FCM 
Issue Date: 2006
Publisher: Institute of Electrical and Electronics Engineers
Source: IEE proceedings. Communications, 2006, v. 153, no. 1, p. 74-80 How to cite?
Journal: IEE proceedings. Communications 
Abstract: In the paper, the performance of multiple-input-multiple-output (MIMO) systems using a zero forcing detector is studied over Rayleigh and Rice fading channels. Approximation to the distribution of non-central complex Wishart distribution is used to derive the distribution of the post-detection signal-to-noise (SNR) ratio. A closed-form expression of bit error rate is obtained in terms of the hypergeometric and Gamma functions. The performance of MIMO systems under the scenario that the individual sub-channels are correlated is also investigated. It is shown that, for the exponential correlation channel model, an increase in channel correlation between the transmission paths results a decrease in SNR at the receiver. It is concluded that with the same SNR at the receiver, the performance of MIMO systems over a Rice fading channel degrades compared to that over an independent and identical distributed (i.i.d.) Rayleigh fading channel.
URI: http://hdl.handle.net/10397/23534
ISSN: 1350-2425
EISSN: 1359-7019
DOI: 10.1049/ip-com:20045281
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