Design of SC-FDE System Using CAZAC Sequence 


Vol. 32,  No. 2, pp. 169-178, Feb.  2007


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  Abstract

In this paper, we propose a signal structure and its optimum receiver to improve performance of SC-FDE(Single Carrier with Frequency Domain Equalization) system. Conventional SC-FDE systems have a drawback of power unbalance in frequency domain due to generation of pilot signals in time domain. The unbalanced power in frequency domain induces a channel estimation error and the performance of the receiver is degraded significantly. To overcome the drawback, we apply CAZAC sequence which has constant power distribution in time and frequency domain. We design the signal structure to improve the performance with the repeated CAZAC sequence, and we design a receiver to optimize the proposed structure. Computer simulation results show that the proposed structure is superior to the conventional structure considering frame synchronization, frequency synchronization and channel equalization on typical wireless mobile channel environment.

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  Cite this article

[IEEE Style]

H. Kang, S. Im, H. Choi, "Design of SC-FDE System Using CAZAC Sequence," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 2, pp. 169-178, 2007. DOI: .

[ACM Style]

Hoon Kang, Se-Bin Im, and Hyung-Jin Choi. 2007. Design of SC-FDE System Using CAZAC Sequence. The Journal of Korean Institute of Communications and Information Sciences, 32, 2, (2007), 169-178. DOI: .

[KICS Style]

Hoon Kang, Se-Bin Im, Hyung-Jin Choi, "Design of SC-FDE System Using CAZAC Sequence," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 2, pp. 169-178, 2. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880