1. Mobile Systems GroupInstituto de TelecomunicaçõesAveiroPortugal
2. Antennas and Applied Electromagnetics Research GroupSchool of Engineering and InformaticsUniversity of BradfordBradfordBD7 1DPUK
3. School of Information Technology & CommunicationsAmerican University of NigeriaYolaAdamawa StateNigeria
4. Department of ElectronicsTelecommunications and InformaticsUniversidade de AveiroPortugal
5. Engineering, Sports and Sciences (ESS) Academic GroupUniversity of BoltonBoltonBL3 5ABUK
6. School of Computing and Communications TechnologyGlyndwr UniversityMold RoadWrexhamLL11 2AWUK