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An OFDM System Based on Dual Tree Complex Wavelet Transform (DT-CWT)

Nerma, Mohamed H. M. and Kamel , Nidal and Jeoti, Varun (2009) An OFDM System Based on Dual Tree Complex Wavelet Transform (DT-CWT). [Citation Index Journal]

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Abstract

In this paper, a novel orthogonal frequency division multiplexing (OFDM) system based on dual–tree complex wavelet transform (DT-CWT), is presented. In the proposed system, the DT-CWT is used to replace the fast Fourier transform (FFT) in the conventional OFDM. This results in considerable improvement in terms of bit error rate (BER) over not only the conventional OFDM but also to the wavelet packet modulation (WPM) based OFDM system. Moreover, the proposed system achieves better peak–to–average power ratio (PAPR) performance at acceptable increase in computational complexity. The complementary cumulative distribution function of PAPR for the proposed system shows 3 dB improvement over the conventional and the WPM based OFDM systems.

Item Type:Citation Index Journal
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
Departments / MOR / COE:Departments > Electrical & Electronic Engineering
ID Code:4478
Deposited By: Assoc Prof Dr Nidal Kamel
Deposited On:18 Mar 2011 02:03
Last Modified:19 Jan 2017 08:25

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