Voice encryption using GSM Simulator and Implementation in MATLAB

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ramanujanmv

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HI everyone we are doing our final year project. Project aims at performing simulating GSM in Matlab by giving live voice to GMSK and GSM Simulator, GMSK modulation technique is applied to conversation from Mic, then applying an encryption technique to the resulting bit stream. Modulation/Demodulation of the GMSK signal requires as much attention to the preservation of an unadulterated wave form as does modulation of the signal.

PLease help us in encryption where it will be better to do and which algorithm will suite the best
Here am attaching the block diagram in MAt lab in which we are trying to implement the algorithm.
 

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