Ambuj Kumar received Bachelor of Engineering in Electronics & Communications from Birla Institute of Technology (BIT), Ranchi, India in the year 2000. As a part of the Bachelor programme, he carried through Internship Training in 1999 at the Institut für Hochfrequenztechnik, Technical University, (RWTH), Aachen (Germany). After graduation, Ambuj Kumar worked at Lucent Technologies Hindustan Private Limited, a vendor company, during the period 200-2004. His major responsibilities were the Mobile Radio Network Design, Macro and Microcell planning, and Optimization for the GSM and the CDMA-based Mobile Communication Networks. There, he was involved in pan-India planning and optimizing the MCNs of various service providers for both the green field and the incumbent deployments. During the period 2004 to 2007, he worked with Hutchison Mobile Services Limited (now Vodafone), a service provider company, where he was involved in planning, deployment, and optimization of the Hutch’s rapidly expanding GSM and Edge networks across India. Afterwards, he joined Alcatel- Lucent, New Delhi in 2007 and continued until 2009. Here, he worked in Network Pre-sales Department and contributed in network rollouts for various pan-India service providers. He worked for three months in the year 2009 as Research Associate at the Centre for TeleInFrastruktur (CTIF), Department of Electronic Systems, Aalborg University, and his research area was on ‘Identification of Optimization parameters for Routing in Cognitive Radio’. Ambuj Kumar was awarded research scholarship under European Commission -Erasmus Mundus “Mobility for Life” programme for doing PhD and joined CTIF, Department of Electronic Systems, Aalborg University, Aalborg, (Denmark), in the year 2010. Ambuj Kumar has also worked as a Collaborative Researcher at the Vihaan Networks Limited (VNL), India. The work of PhD research was conceptualized at VNL; there he developed test-bed facilities for experimental studies on ‘Advanced Alternative Networks’. He had worked as Research Assistant in the eWall Project, funded by the European Commission, at the Faculty of Science and Engineering (Department of Electronic Systems) during 2015-2016. He was awarded Doctor of Philosophy (PhD) in 2016 by the Aalborg University (Denmark) on his thesis titled “Active Probing Feedback Based Self Configurable Intelligent Distributed Antenna System for Relative and Intuitive Coverage and Capacity Predictions for Proactive Spectrum Sensing and Management”. Currently, Dr. Ambuj Kumar is working as PostDoc in the Department of Business Development and Technology, School of Business & Social Sciences, Aarhus University (Denmark) since February, 2017. His research interests are radio wave propagation, cognitive radio, visible light communications, radio resource management and distribute antenna systems, etc. He has more than 10 several research publications including a book chapter in these thematic areas.