Arun Kumar graduated obtained his doctorate is in the field of Knowledge mobile communication system, which was awarded in 2016. He has served in education for over seven years and is currently in service at JECRC University, Jaipur, India. His current research interests are in 5G, OFDM, CDMA, spectrum sensing, peak to average power ratio, advanced modulation schemes, Antenna, and UWB system. He is a member of IEEE. He has published more than 40+ papers in SCI/Scopus Indexed Journals. He is a reviewer of many SCI and Scopus indexed international journals.