BER Reduction for DMT-ADSL Based on DMWT

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Cankaya University Journal of Science and Engineering
Volume:8 Issue:2
BER Reduction for DMT-ADSL Based on DMWT

BER Reduction for DMT-ADSL Based on DMWT

Authors : Salih Mohammed SALİH

Pages : 0-0

View : 35 | Download : 8

Publication Date : 2011-11-01

Article Type : Research Paper

Abstract :Discrete multi-tone insert ignore into journalissuearticles values(DMT); modulation is an orthogonal frequency division multiplexing insert ignore into journalissuearticles values(OFDM); based modulation scheme used in asymmetrical digital subscriber line insert ignore into journalissuearticles values(ADSL); and proposed for various other high-speed broadband access systems. To enhance the bit error rate insert ignore into journalissuearticles values(BER); for the DMT-ADSL, a discrete multi-wavelet transform insert ignore into journalissuearticles values(DMWT); model is proposed. The performance of standard and proposed models is simulated using Matlab software under the additive white Gaussian noise insert ignore into journalissuearticles values(AWGN); channel effect. The effect of impulse random bit location noise was also taken into our simulation. The simulation results show that the proposed model based on DMWT technique outperforms the standard model in terms of BER.
Keywords : DMT, ADSL, AWGN, FFT, DMWT, impulse noise

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