On the Optimal Cyclic Delay Value in Cyclic Delay Diversity 


Vol. 33,  No. 9, pp. 643-651, Sep.  2008


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  Abstract

In this paper, we propose a method to determine the optimal cyclic delay value of cyclic delay diversity(CDD) in orthogonal frequency division multiplexing(OFDM) systems. As the cyclic delay value increases, we can get signal to interference and noise ratio(SINR) gain by diversity effect, while SINR loss increases because of channel estimation errors. If the optimal delay value obtained by the proposed method is applied to CDD scheme, we can minimize the required SINR for a given FER(frame error rate) under the above mentioned trade-off.

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  Cite this article

[IEEE Style]

Y. J. Kim, M. Rim, B. Jeong, T. Noh, H. Kim, D. Lim, "On the Optimal Cyclic Delay Value in Cyclic Delay Diversity," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 9, pp. 643-651, 2008. DOI: .

[ACM Style]

Yong June Kim, Min-Joong Rim, Byun-Jang Jeong, Taegyun Noh, Ho-Yun Kim, and Dae-Woon Lim. 2008. On the Optimal Cyclic Delay Value in Cyclic Delay Diversity. The Journal of Korean Institute of Communications and Information Sciences, 33, 9, (2008), 643-651. DOI: .

[KICS Style]

Yong June Kim, Min-Joong Rim, Byun-Jang Jeong, Taegyun Noh, Ho-Yun Kim, Dae-Woon Lim, "On the Optimal Cyclic Delay Value in Cyclic Delay Diversity," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 9, pp. 643-651, 9. 2008.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880