Tony J. Rouphael has worked on all aspects of wireless communications ranging from antenna and RF to digital signal processing. At Philips, Siemens, Northrop Grumman, RF Micro Devices, and others, he has developed products in TDMA IS-136, CDMA2000, GSM, WCDMA, UWB, 802.11, and software defined radio for JTRS applications. He holds 48 US patents, published over 20 journal articles in signal processing and communications, and published a book entitled RF and Signal Processing for Software Defined Radio with Elsevier-Newnes.