Abstract
Based on the analysis of the technical principles and the system model of the MIMO and OFDM technologies, a simple DVB-T wireless communication system is constructed. The system is composed of transmitter, channel, receiver, and so on. Space-time coding is done in the transmitter, the signal is launched after OFDM modulation, and the process of the receiver is the inverse process of the transmitter. Using the software Matlab simulates the system performance, the experiment result shows that the DVB-T system based on the MIMO technology has better performance when there are more antennas.
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