MIMO-OFDM Technique Over Terahertz Radio Channels

Wireless communications require more and more communication speed. One solution to meet this growing demand is the use of the millimeter band. In fact, it has been already shown that a system operating in millimeter bands offers communication speeds of several gigabits. This drew the attention of researchers to work on the THz band. This made this band a candidate for future 5G communications systems. However, the major drawback remains a severe attenuation due to the absorption of oxygen. Certain studies carried out to characterize the THz channel propose the use of directional antennas to compensate for the attenuation of the propagation effect. In this work, we will propose the MIMO-OFDM technology, which allows converting the THz channel into several flat fading subchannels and at the same time increase the transmission rate. In the present work, we present the performance of the MIMO-OFDM communication system operating in the THz band. The performance of the MIMO-OFDM system has been studied in terms of BER. In order to evaluate the performance of our system, the THz channel has been modeled.