1. Université Gustave Eiffel, ESYCOM CNRS UMR 9007, Noisy-le-Grand ESIEE Paris, Noisy-le-Grand 93162, France
2. Si-Ware Systems, 3 Khalid Ibn Al-Waleed St., Heliopolis, Cairo 11361, Egypt
3. Faculty of Engineering, Ain-Shams University, 1 Elsarayat St. Abbassia, Cairo 11535, Egypt
4. CINTRA, IRL 3288 CNRS-NTU-THALES, Nanyang Technological University, 637553 Singapore