1. Huawei German Research Center; Germany
2. Nokia Bell Labs; Denmark
3. Samsung Electronics R&D Institute; UK
4. Nokia Bell Labs; Finland
5. Nokia; Poland
6. Ericsson; Sweden
7. Intel; Germany
8. Deutsche Telekom; Germany
9. Chalmers University of Technology; Sweden
10. VTT; Finland
11. Fraunhofer Heinrich Hertz Institute; Germany
12. WINGS ICT Solutions; Greece
13. Samsung Electronics; Republic of Korea
14. Telecom Italia; Italy
15. Technische Universität Berlin; Germany