Auteur: Juha Kallio

Miikka Poikselkä, Program Manager, NSN, Finland. Harri Holma, Principal Engineer, NSN (NSN Fellow), Finland. Jukka Hongisto, Solution Architect, NSN, Finland. Juha Kallio, Architect, NSN, Finland. Antti Toskala, Head of 3GPP Radio Standardization, Finland. The authors are all with Nokia Siemens Networks (NSN) in Finland working on the cutting edge technologies for mobile communications today. They are involved with 3GPP Standardisation, and technical aspects, ensuring they are a in key position to write on this important topic.