Nokia’s mobile CTO has said use-cases for 5G from a user perspective still lack clarity despite impressive progress being made on the technological side. Hossein Moiin spoke about vendor attitudes towards 5G during his keynote session at 5G World in London, and explained some of the technological steps operators need to do in order to realise the monetary benefits the fifth generation of wireless technology can bring. He began by explaining the basic evolution of technology and the fundamental blocks upon which 5G will be built.