Suvra Sekhar Das (Member, IEEE) received a B.Eng. degree in electronics and communication engineering from the Birla Institute of Technology, Ranchi, India, and a Ph.D. degree from Aalborg University, Aalborg, Denmark. He was the Senior Scientist of the Innovation Laboratory, Tata Consultancy Services. He is currently an associate professor with the G. S. Sanyal School of Telecommunications, IIT Kharagpur, Kharagpur, India. His current research interests include design of waveform, radio access technology, and radio access networks for QoS traffic.