​​The Communication Theory Lab (CTL) at King Abdullah University of Science and Technology (KAUST) looks  into the modeling, design, optimization, and performance analysis of wireless communication systems with current emphasis on multiple-antenna, diversity, adaptive modulation systems, cognitive radio systems, cooperative/collaborative communication systems, multi-hop communication systems, physical-layer security, MIMO Radar​ systems, green communications systems and networks, optical wireless communications, massive MIMO systems, device-to-device communications and small cell/heterogeneous networks.