Koon Hoo Teo received his M.S. and Ph.D. degrees in electrical engineering from the University of Alberta, Edmonton, Canada, in 1985 and 1990, respectively. He was with Nortel Networks for about 15 years where his main R&D areas were in 3G and 4G Wireless Communication Systems and Mesh Networks. Currently he is with Mitsubishi Electric Research Labs, Cambridge, MA, USA. He is one of the main authors of ANSI C63.17 for the unlicensed bands and a contributor to WiMAX and LTE standards in the PHY and MAC layers. He is also the author and co-author of 3 chapter books, over 150 reviewed papers and nearly 200 granted patents and patent applications which spans a range of areas that include Nano and Surface Physics, Semiconductor Power Devices, Metamaterial, Thermal Physics, Superconductor, Electric Motor Technology, Optical and Wireless Communications, Cognitive Radio, Game Theory, RF and Power Electronics, Battery Charging and Wireless Power Transfer.