Our primary field of research is wireless communication which is an essential technology for accomplishing a life-level 4th industrial revolution that requires both 6G communication systems and life-level IoT environments. For next generation wireless communication systems, we aim to develop state-of-the-art communication techniques based on information theory, signal processing, and machine learning. In addition, we are expanding our research interests into developing IoT-oriented communication systems to realize true life-level IoT environments.