Research on Transceiver System of WSN Based on V-MIMO Underground Coal Mines

There is narrow space and harsh environment underground coal mines. When radio signals are transmitted, diffraction, attenuation, multi-path and scattering are often very serious. All the problems make the WSN system difficult to reach the set bit error rate when transmitting images. V-MIMO, which makes every node of the WSN work together, is adopted in the paper. In order to improve the system capability and reliability, virtual multi-antennas receive- diversity-aided method is also used in the paper. What’s more, considering the peculiarity of transmission underground coal mines, the paper uses OFDM wireless transmission to take further advantage of MIMO and improve the reliability in data transmission. So it is possible for the WSN system to transmit image signals underground coal mines.