1. Electronic Engineering DepartmentUniversity of Rome “Tor Vergata” Rome Italy
2. Center for Communications Technology and Mathematics, School of Computing and Digital MediaLondon Metropolitan University London UK
3. School of Engineering and the Built EnvironmentEdinburgh Napier University Edinburgh UK
4. School of EngineeringUniversity of Bolton Bolton UK
5. Faculty of Engineering and InformaticsUniversity of Bradford Bradford UK
6. Electrical and Electronic Engineering DepartmentPublic University of Navarre Pamplona Spain