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Design of SC-FDE System Using CAZAC Sequence  

Kang, Hoon (성균관대학교 정보통신공학부)
Im, Se-Bin (성균관대학교 정보통신공학부)
Choi, Hyung-Jin (성균관대학교 정보통신공학부)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.32, no.2A, 2007 , pp. 169-178 More about this Journal
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.
Keywords
SC-FDE; CAZAC; Equalizer; Timing estimation; Frequency synchronization;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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