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International Journal of New Technology and Research

Impact Factor 3.953

(An ISO 9001:2008 Certified Online Journal)
India | Germany | France | Japan

Forward Error Control System Performance of Maximum Free Distance Convolutional Codes with Different Modulation Schemes

( Volume 2 Issue 11,November 2016 ) OPEN ACCESS

MSC. Amjad Ali Jassim, Dr. Wael A.H. HADI


Forward Error Control (FEC) based on Convolution Encoders with Viterbi decoding is a good methodology to decrease the effect of Additive Gaussian Noise residing inside digital data transmissions channel. In this paper a Convolutional encoders with maximum free distance and different constraint lengths have been tested with AWGN channel effect using MATLAB. The performance and analysis has done by changing rates of Convolutional encoders and different constraint lengths and take in consider QPSK, 16-QAM and 64-QAM as modulation schemes. 

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