Karun Rawat is an Assistant Professor in the Department of Electronics and Communication Engineering at the Indian Institute of Technology (I.I.T.) Roorkee, India.
Patrick Roblin is a Professor in the Department of Electrical & Computers Engineering at The Ohio State University, in Columbus, USA.
Shiban Koul is Emeritus Professor in the Centre for Applied Research in Electronics at the Indian Institute of Technology (I.I.T.) Delhi, India.