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International Journal of

Recent Trends in Engineering

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International Journal of Recent Trends in Engineering (IJRTE)

ISSN 1797-9617

Volume 1, Number 3, May 2009

Issue on Electrical & Electronics

Page(s): 257-260

AM-RF partially overlapped channels separation by Volterra integral equations.

Dan Ciulin

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Sources - Separation methods allows the possibility to transmit many signals through a given channel without multiplexing them. These signals may be frequency overlapped. As an extension, the paper presents a method to reconstruct the transmitted signals from amplitude-modulation radio frequency (AM-RF) channels that are partially overlapped in frequency. The cross talks due to the overlapping procedure leads to a lost of information but increase the number of channels in the RF band. The signals reconstruction implies the use of Volterra-integral equations. Data transmissions imply also the improvement of the receiver equalizer. Simulations are presented. The presented method lead then to a diminishing of the equivalent frequency bandwidth of the transmitting signals.

Index Terms

Source Separation, R.F. Signals

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