1. Clemson University College of Engineering and Sciences, Clemson, South Carolina, USA
2. Clemson University, Clemson, South Carolina, USA
3. ECE, Naval Postgraduate School, Monterey, California, USA
4. Electrical Engineering, ABB Corporate Research United States Raleigh NC, Raleigh, North Carolina, USA
5. Electrical and computer Engineering, University of Connecticut, Storrs, Connecticut, USA
6. ECE, Virginia Polytechnic Institute, Blacksburg, USA