Performance Analysis with Imperfect Channel Estimation in Cooperative Diversity 


Vol. 31,  No. 7, pp. 689-695, Jul.  2006


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  Abstract

This paper focuses on the accurate performance evaluation of cooperative diversity technique with imperfect channel estimates. The channel environment for simulations and performance evaluation is supposed to be the slowly time-varying Rayleigh fading channel. The framework of the performance evaluation is based on the Moment Generating Function(MGF) approach. To apply the effect of this channel estimation error into the performance evaluation, we import an useful Gaussian approximation in formulating the effective noise component and the additive noise. The average BER performance of cooperative diversity with M-PSK and M-QAM is computed as a function of the ratio of the signal to the effective noise based on the approximation. The verification of computed performance is provided with simulations. The evaluated performance matches up to simulation results even in a low SNR region.

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  Cite this article

[IEEE Style]

R. S. Min and D. Hong, "Performance Analysis with Imperfect Channel Estimation in Cooperative Diversity," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 7, pp. 689-695, 2006. DOI: .

[ACM Style]

Ro Sang Min and Dae-sik Hong. 2006. Performance Analysis with Imperfect Channel Estimation in Cooperative Diversity. The Journal of Korean Institute of Communications and Information Sciences, 31, 7, (2006), 689-695. DOI: .

[KICS Style]

Ro Sang Min and Dae-sik Hong, "Performance Analysis with Imperfect Channel Estimation in Cooperative Diversity," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 7, pp. 689-695, 7. 2006.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880