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A Comparison Study Between Pre-Equalization Schemes for Single and Multi Carrier Modulation Systems

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Abstract

In this paper, frequency domain pre-equalization (Pre-FDE) is developed for broadband cyclic prefix-code division multiple access (CP-CDMA) as a single carrier transmission scheme, and for multi carrier-CDMA (MC-CDMA) and orthogonal frequency division multiplexing (OFDM) as multi carrier transmission schemes. A comparison study is held between these schemes and the traditional equalization schemes. Experimental results show that pre-equalization improves significantly the performance of the single and multi carrier communication systems with a very low complexity at the receiver. The comparative study between MIMO pre-equalization for single carrier systems and for multi carrier systems shows that MIMO pre-equalization for single carrier systems outperforms that for multi carrier systems in terms of bit error rate (BER) performance since single carrier transmission has more frequency diversity than multi carrier transmission in the uncoded case.

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Correspondence to Fathi E. Abd El-Samie.

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Odhah, N.A., Awadalla, K.H., Dessouky, M.I. et al. A Comparison Study Between Pre-Equalization Schemes for Single and Multi Carrier Modulation Systems. Int J Wireless Inf Networks 18, 158–170 (2011). https://doi.org/10.1007/s10776-011-0149-x

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  • DOI: https://doi.org/10.1007/s10776-011-0149-x

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