Cyclic Prefix Reconstruction and Equalization for EST based Modulation 


Vol. 35,  No. 9, pp. 835-843, Sep.  2010


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  Abstract

Energy spreading transform (EST) based equalization is a very effective technique to remove inter symbol interference (ISI) in frequency selective channel. EST based system uses cyclic prefix (CP) similar to orthogonal frequency division multiplexing (OFDM) system. Since CP is a redundancy, it degrades the data transmission rate. RISIC is an algorithm that removes an inter block interference (IBI) caused by insufficient CP length and reconstructs CP. In this paper, we propose a system that combines the existing EST system with quadrature phase shift keying (QPSK) modulation and RISIC algorithm to enhance the efficiency of the transmission. Also we extend the proposed system to 16 quadrature amplitude modulation (QAM) modulation. The proposed system is shown to performance close to matched filter bound (MFB) even with insufficient CP.

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  Cite this article

[IEEE Style]

S. Kwun, B. Kwon, T. Hwang, "Cyclic Prefix Reconstruction and Equalization for EST based Modulation," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 9, pp. 835-843, 2010. DOI: .

[ACM Style]

Soonik Kwun, Byunguk Kwon, and Teawon Hwang. 2010. Cyclic Prefix Reconstruction and Equalization for EST based Modulation. The Journal of Korean Institute of Communications and Information Sciences, 35, 9, (2010), 835-843. DOI: .

[KICS Style]

Soonik Kwun, Byunguk Kwon, Teawon Hwang, "Cyclic Prefix Reconstruction and Equalization for EST based Modulation," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 9, pp. 835-843, 9. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880