Abhijit Bhowmick received his BE (hons) degree in electronics and telecommunication engineering in 2002 from Burdwan University, West Bengal, India, and MTech degree in telecommunication engineering in 2009 and PhD in December 2016 from NIT Durgapur. He worked for Cubix Control System Pvt. Ltd. from 2004 to 2006. He joined the Department of Electronics and Communication Engineering, Bengal College of Engineering and Technology, Durgapur, as a lecturer in 2006. Thereafter, he joined VIT University, Vellore, TN, India, in the School of Electronics Engineering (SENSE) in June 2016 and is currently serving as an associate professor there. His research interests include cognitive radio networks, focusing on spectrum sensing and spectrum sharing issues, cooperative communications in cognitive radio networks, energy harvesting in wireless network, D2D communication, and physical layer security issues in wireless networks, and UAV-assisted communication. Yogesh Kumar Choukiker received his BE degree in 2007 and MTech and the PhD degrees from the National Institute of Technology, Rourkela, Orissa, India, in 2009 and 2014, respectively, both in electronics engineering. He is specialized in antenna and wave propagation. In particular, his research interest is microstrip antenna (fractal antennas) in the area of wireless application, MIMO environment, UWB, and reconfigurable fractal. He completed the ISRO RESPOND project in 2013, which is based on optimization techniques. At present, he has been working as a professor in Vellore Institute of Technology, Vellore, from January 2014. He was also a visiting research scholar in San Diego State University, California, USA, in his PhD. Indrasen Singh is working as an assistant professor (senior grade 2) in the Department of Embedded Technology under the School of Electronics Engineering (SENSE), Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, India. He received his BTech and MTech degrees in electronics and communication engineering from Uttar Pradesh Technical University, Lucknow, India, in 2006 and 2010, respectively. He obtained his PhD degree in electronics and communication engineering from then National Institute of Technology Kurukshetra, Haryana, India, in 2019. He has qualified GATE examination many times. He has more than 15 years of teaching/research experience in the various reputed technical institutes/universities. He is supervising BTech, MTech, and PhD students. He is an editorial board member for AJECE, Science Publishing Group, USA. He is the reviewer of many SCI/SCOPUS-indexed international journals and served as TPC member and reviewer in different conferences. He has published more than 25 research papers in national/international journals/conferences of repute, and many are under review. His research interests are in the area of cooperative communication, stochastic geometry, modelling of wireless networks, heterogeneous networks, millimetre wave communications, device-to-device communication, machine learning, and 5G/6G communication. Arumugam Nallanathan is a professor of wireless communications and the founding head of Communication Systems Research (CSR) group in the School of Electronic Engineering and Computer Science at Queen Mary University of London (QMUL) from September 2017. He was with the Department of Informatics at King's College London from December 2007 to August 2017, where he was a professor of wireless communications from April 2013 to August 2017. He was an assistant professor in the Department of Electrical and Computer Engineering, National University of Singapore, from August 2000 to December 2007. His areas of interest are communication, stochastic geometry, modelling of wireless networks, heterogeneous networks, millimetre wave communications, device-to-device communication, and 5G/6G communication.
