Impulsive observer based chaotic synchronization with application to interleaved chaotic differential peaks keying (I-CDPK)

This paper presents novel approach for the synchronization of non correlator type chaotic differential peaks keying communication system. Nonlinear observer based impulsive synchronization scheme is derived based on the classical theory of impulsive stability. The impulsive observer design is applied to a Lorenz´s chaotic system and the boundaries of stable regions are estimated. The ICDPK modulator (ICM) and demodulator (ICDM) is designed and the reconstruction of the signal at ICDM using this impulsive observer is simulated. The performance analysis for the robustness of the proposed impulsive observer is done under different conditions such as parameter mismatches, change in initial conditions and different values of impulse interval.