Suseela Vappangi is currently pursuing a Ph.D. at the National Institute of Technology Warangal, India. She worked as an assistant system engineer at Tata Consultancy Services, Hyderabad. She has published 10 research papers in journals of national and international repute. V. V. Mani is presently working as an associate professor, department of electronics and communication engineering, National Institute of Technology, Warangal, India. Her area of interest includes wireless communication, signal processing for communication, MIMO, orthogonal frequency-division multiplexing, green communication and ultra-wideband communication. She has published several research papers in journals of national and international repute. She has taught courses including digital communication, advanced wireless communication, signals and systems, digital signal processing and modern radio engineering at the undergraduate and graduate level. She is a fellow of the Institute of Electronics and Telecommunication Engineers (IETE), India and a senior member of IEEE. Wasiu Oyewole Popoola is presently working as Chancellor’s Fellow, school of engineering, The University of Edinburgh, UK. His areas of research include optical communication systems, communication channel modeling, and mitigation, visible light communications, modulation techniques for communication systems and equalization techniques for communication systems. He is a senior member of IEEE and a member of the IEEE Photonics Society. Mathini Sellathurai is currently a Reader in Signal Processing with the Heriot-Watt University, Edinburgh, U.K. She is leading research in adaptive, cognitive and statistical signal processing techniques in a range of applications including Radar, Lidar, Sonar and RF networks, network coding, cognitive radio, MIMO signal processing, satellite communications, and underwater communications. She also worked at Bell-Laboratories, New Jersey, USA, as a visiting researcher (2000); and with the Canadian (Government) Communications Research Centre, Ottawa Canada as a Senior Research Scientist (2001-2004). She has published over 120 peer-reviewed papers in leading international journals and IEEE conferences.