Abstract

This research project aims at combining Space Time Block Code(STBC) and Differential Chaos Shift Keying (DCSK) techniques to enhance the performance of Multiple Input Multiple Output(MIMO) system. STBC method is used for sequencing the chaos signal during the modulation stage. Proposed system with different types of STBC will be analysed in future with normal and Orthogonal DCSK(ODCSK) in Gaussian and fading channels. Bit Error Rate, time and complexity of 2×2 and higher order MIMO systems with 8,16 Quadrature Amplitude Modulation(QAM) will be simulated using MATLAB software. ODCSK and Alamouti STBC combination provides better results in Gaussian channel in present simulation.

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