selected publications academic article The E3 architecture: enabling future cellular networks with cognitive and self-x capabilities. International Journal of Network Management. 21:360-383. 2010 conference paper The METIS 5G Architecture: A Summary of METIS Work on 5G Architectures 2015 Rethinking the mobile and wireless network architecture: The METIS research into 5G 2014 ETSI RRS — The standardization path to next generation cognitive radio systems 2010