An Efficient Adaptive Modulation and Coding Scheme on Downlink Rayleigh Fading Channels Considering Channel-State-Information Feedback Delay 


Vol. 31,  No. 11, pp. 1100-1106, Nov.  2006


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  Abstract

In downlink of mobile communication systems, the feedback delay between channel estimation and actual transmission causes inaccuracy in channel-state-information (CSI) and this results in performance degradation. In order to overcome this phenomenon, channel prediction is inevitable. In this paper, an adaptive transmission scheme based on channel prediction is proposed and its performance is evaluated. From simulation results, it is shown that the performance degradation due to the feedback delay is successfully mitigated by using the proposed scheme.

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  Cite this article

[IEEE Style]

D. Rhee, H. G. Hwang, Y. J. Sang, Y. J. Sang, "An Efficient Adaptive Modulation and Coding Scheme on Downlink Rayleigh Fading Channels Considering Channel-State-Information Feedback Delay," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 11, pp. 1100-1106, 2006. DOI: .

[ACM Style]

Duho Rhee, Hae Gwang Hwang, Young Jin Sang, and Young Jin Sang. 2006. An Efficient Adaptive Modulation and Coding Scheme on Downlink Rayleigh Fading Channels Considering Channel-State-Information Feedback Delay. The Journal of Korean Institute of Communications and Information Sciences, 31, 11, (2006), 1100-1106. DOI: .

[KICS Style]

Duho Rhee, Hae Gwang Hwang, Young Jin Sang, Young Jin Sang, "An Efficient Adaptive Modulation and Coding Scheme on Downlink Rayleigh Fading Channels Considering Channel-State-Information Feedback Delay," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 11, pp. 1100-1106, 11. 2006.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880