1. National Institute of Technology,Department of Electronics and Communication Engineering,Silchar,India
2. MLR Institute of Technology,Department of Electronics and Communication Engineering,Hyderabad-43,Telangana,India
3. Institut national de la recherche scientifique (INRS)-Université du Québec,Center for Energy Materials and Telecommunications (EMT),Canada
4. New Jersey Institute of Technology,Department of Electrical and Computer Engineering,Newark,USA