Capacity Improvement of Space Time Block Code Spatial Modulation for Three Transmit Antennas

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The main two requirements for next generation communication systems are high data rate and high reliable communication. Spectral efficiency is viable because systems are band limited and user's demands are growing continuously. Application of Multiple Input Multiple Output (MIMO) technique is the best technique to improve link capacity, and potentially increase spectral efficiency. Recently, operators, manufacturers, and the research community are focusing their efforts to include MIMO techniques in most of the 21st-century standards such as LTE, WiMAX, WiFi, and cognitive radio.