This book targets undergraduate and graduate students as well as professionals wanting an introduction to wireless communication systems. Wireless systems pervade all aspects of our lives. I have been an insulin-dependent diabetic most of my life. Recently, I got a continuous blood glucose monitor (Chapter 11) that interfaces with my cell phone via Bluetooth (Appendix D). This monitor dramatically changed my life for the better due to the technologies presented in this book. Even though wireless systems have exponentially expanded over my lifetime, the future looks even brighter. Learning about wireless systems leads to a significant advantage over the uninformed
