Dr. Roy Sun is a Principal Architect at CableLabs. His research interest includes radio propagation channel measurements and modeling, spectrum sharing, DOCSIS and accurate time measurement. Roy used to work at NIST, ST-Ericsson, Motorola and T3G Technologies. He has published 60+ papers, organized 20+ conferences and reviewed 200+ manuscripts. Roy is an IEEE Senior Member and 3GPP RAN4 delegate.