1. Department of Electronics & Communication Engineering , I. K. G. Punjab Technical University , Kapurthala, Punjab-144603 , India
2. Department of Electronics & Communication Engineering , University Institute of Engineering & Technology, Kurukshetra University , Kurukshetra, Haryana-136119 , India
3. Department of Electronics & Communication Engineering , National Institute of Technical Teachers Training & Research , Chandigarh-160019 , India