Jorge L. Olenewa has been an instructor at George Brown College for more than 15 years, where he continues to teach and assist in the creation and implementation of several programs of study related to networking and wireless technologies. This academic experience and more than four decades of working in the computer industry formed the foundation of his book, GUIDE TO WIRELESS COMMUNICATIONS, now in its 4th Edition. A keynote speaker on wireless technologies and co-chair at WECON, a major international Wireless and Embedded Systems conference in India, Mr. Olenewa has completed applied researched in wireless applications for in-vehicle entertainment systems, Real-Time Location Systems, and two Mobile Learning research projects. He is a Cisco� Certified Academy Instructor and Manages the Cisco Networking Academy at George Brown College. Mr. Olenewa holds a B.S. in Electronic Information Systems from B.L.A.I. in Rio de Janeiro, Brazil.