Rajkishor Kumar is an Associate professor at the School of Electronics Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu, India. He has authored/ co‑authored more than 60+ research papers in journals and conferences of national and international repute. His current research interests include radio frequency (RF) and microwave antennas, microwave filters, RF energy harvesting and transfer systems, antennas in biomedical applications, artificial intelligence, and machine learning approaches in antennas as well as Internet of Things‑based smart antennas. Avinash Chandra is an associate professor at the School of Electronics Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu, India. He has published over 35 papers in leading journals and conferences. His current research areas include waveguides, reconfigurable arrays, and antennas for 6G applications.Indrasen Singh is an assistant professor at the School of Electronics Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu, India. He has published more than 20 research papers in national and international journals and conferences. His research interests are in the areas of cooperative communication, stochastic geometry, modeling of wireless networks, heterogeneous networks, millimeter wave communications, device‑to‑device communication, and 5G and 6G communications. Vijay Kumar is a professor at the School of Electronics Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu, India. He has worked as a research associate at the Indian Institute of Bombay, India, and focused on specific absorption rate (SAR) interferometry and polarimetry. His research focus is on microwave radar imaging, SAR imaging system development, RF front‑end development for communication applications about earth observation, and reconnaissance from spaceborne, airborne, and unmanned aerial vehicle platforms. He has published research papers in journals and conferences of national and international repute. Yu‑Chen Hu is a professor in the Department of Computer Science at Tunghai University, Taiwan. He is a senior member of IEEE. He is also a member of the Chinese Cryptology and Information Security Association, Computer Science and Information Management, and Phi Tau Phi Society of the Republic of China. His research interests include digital forensics, information hiding, image and signal processing, data compression, information security, computer networks, deep learning, and bioinformatics. He has published research papers in national and international journals and conferences.
