ived research grants from various government agen- cies, such as NSF and NASA, and from private corporations, including IBM, Hewlett Packard, Racal Datacom, Xerox, Apple, and others. He has published more than 25 books and about 250 scientific and technical papers, and he holds two patents. He is a founder and editor-in-chief of the Journal of Multimedia Tools and Applications (Kluwer Academic Publishers, now Springer). He is also consulting editor for two book series on multimedia systems and applications (Kluwer/Springer) and Internet and communications (CRC Press). He has received several technical and publishing awards and has consulted for IBM, Hewlett Packard, Xerox, General Electric, JPL, NASA, Honeywell, and RCA. He has also served as a consultant to various colleges and universities. He has given many invited talks, keynote lectures, seminars, and tutorials. He has been program chair as well as a member of program committees at many national and international conferences. © 2009 by Taylor & Francis Group, LLC The Editors Syed Ahson is a senior software design engineer with Microsoft. As part of the Mobile Voice and Partner Services Group, he is busy creating new and exciting end-to-end mobile services and applications. Prior to joining Microsoft, he was a senior staff software engineer with Motorola, where he played a significant role in the creation of several iDEN, CDMA, and GSM cellular phones. Ahson has exten- sive experience with wireless data protocols, wireless data applications, and cellular telephony protocols. Before he joined Motorola, he was a senior software design engineer with NetSpeak Corporation (now part of Net2Phone), a pioneer in VoIP telephony software. Ahson has published more than 10 books on emerging technologies such as WiMAX, RFID, mobile broadcasting, and IP multimedia subsystems. His recent books include IP Multimedia Subsystem Handbook and Handbook of Mobile Broadcasting: DVB-H, DMB, ISDB-T, and MediaFLO. He has authored several research articles and teaches computer engineer