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Gabriel covers the mobile network system architecture, including evolution of the RAN, the mobile core, and service-layer platforms and applications. Key technologies in his coverage area include LTE Advanced, small cells, Evolved Packet Core, carrier WiFi, and software-centric networking technologies such as NFV, SDN, and service chaining. Gabriel has covered mobile networking since 1998 through published research, live events, operator surveys, and custom consulting. Prior to joining Heavy Reading, Gabriel was Chief Analyst for Light Reading Insider research service; before that, he was editor of IP Wireline and Wireless Week at London's Euromoney Institutional Investor. He is based in London.