Experimental Demonstration of Multiple Input Multiple Output Communications above 100 GHz

The terahertz (THz) band (0.1 - 10 THz) will be instrumental in the next generation of wireless communication systems, largely due to its ability to provide IOs of gigahertz (GHz) of contiguous bandwidth. One of the main challenges facing THz communication systems is the high propagation losses experienced by TI lz signals. Multiple-input multiple-output (MIMO) systems have been suggested as a method to overcome the challenging propagation of THz signals. In this paper, an information-hearing ultra-broadband 2x2 MIMO system above 100 Gib is built for the first time and utilized to explore the performance of transmit beamforming and maximal ratio combining in real-world setups.