Ubiquitous Computing

Abstract

INTRODUCTION Today's handheld devices, such as Personal Digital Assistants (PDAs) and PDA-based smart phones, are burgeoning with ever increasing multimedia capabilities. Already, current wireless and cellular technologies like Wi-Fi (802.11), 3G, and EV-DO/CDMA2000 enable streaming audio and video content to wireless handheld devices (Choi, Choi, and Bahk, 2007). Applications such as audio or video streaming, video conferencing, video surveillance, and web browser applications are