Riaz Esmailzadeh has over 15 years experience in the telecommunications industry and has more than 50 patent applications and 70 conference and journal publications to his name. He invented a mode of Code-Division Multiple Access (CDMA) communications which has become part of worldwide 3G standards currently being deployed worldwide called TD-CDMA (Time Division CDMA). He is currently Associate Professor at Keio University in Japan where he is researching orthogonal frequency division multiplexing (OFDM) and TD-CDMA as used in wireless Local Area Networks (LANs), and delivery of high quality audio and video content through perceptual QoS management. He is also an independent consultant, working for several blue-chip companies including DoCoMo, Nokia and Samsung.