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Performance of different wavelet families using DWT and DWPT-channel equalization using ZF and MMSE

Asif, Rameez
; 
Hussaini, Abubakar S.
; ; 
Jones, Steven M.R.
; 
Noras, James M.
; 
Elkhazmi, Elmahdi A.
; 
Rodriguez, Jonathan
Publication Date
2013
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Keywords
Minimum mean squared error, OFDM, Wavelets, DWT, WPT, Zero-forcing
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Peer-Reviewed
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closedAccess
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Engineering and Digital Technology Publications
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Abstract
We have studied the performance of multidimensional signaling techniques using wavelets based modulation within an orthogonally multiplexed communication system. The discrete wavelets transform and wavelet packet modulation techniques have been studied using Daubechies 2 and 8, Biothogonal1.5 and 3.1 and reverse Biorthognal 1.5 and 3.1 wavelets in the presence of Rayleigh multipath fading channels with AWGN. Results showed that DWT based systems outperform WPM systems both in terms of BER vs. SNR performance as well as processing. The performances of two different equalizations techniques, namely zero forcing (ZF) and minimum mean square error (MMSE), were also compared using DWT. When the channel is modeled using Rayleigh multipath fading, AWGN and ISI both techniques yield similar performance.
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http://hdl.handle.net/10454/9618
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Citation
Asif R, Hussaini AS, Abd-Alhameed R et al (2013) Performance of different wavelet families using DWT and DWPT-channel equalization using ZF and MMSE. In: 8th IEEE Design and Test Symposium, IDT 2013. 16-18 Dec 2013. Marrakesh, Morocco. IEEE: Article number 6727136.
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https://doi.org/10.1109/IDT.2013.6727136
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Conference paper
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