1. Information Science and Technology Ph.D., Metropolitan Autonomous University, Mexico City 09360, Mexico
2. Electrical Engineering Department, Metropolitan Autonomous University, Mexico City 09360, Mexico
3. Faculty of Science, Autonomous University of San Luis Potosi, San Luis Potosi 78210, Mexico
4. Engineering Department, Arkansas State University Campus Queretaro, Queretaro 76270, Mexico
5. Department of Electrical Engineering and Electronics, University of Liverpool, Liverpool L69 3GJ, UK
6. ARIES Research Centre, Antonio de Nebrija University, 28040 Madrid, Spain