Development and Analysis of VHDL Architecture of Reconfigurable Digital Modulator and Demodulator (original) (raw)

2014

Abstract

In this paper, the VHDL design and implementation of BPSK, BASK and BFSK modulator and demodulator with mixed domain performance analysis under different software are presented. The modulators are widely used in communication system either wired or wireless also the applications of these devices are ranging from personal to industrial. Because the every techniques has their own advantages and disadvantages and hence designer chooses the best depending upon the applications requirement this creates the problem for the applications with time changing requirements. The design presented in this paper provides a solution for such cases by providing simple programmable interface for switching among different techniques with low power and FPGA resource consumption also the proposed design architecture maintains the simplicity without compromising the performance and through simulation we check that with the considerable gain in signal to noise ratio (SNR) and there is minimization of bit e...

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