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Smartphones, portable music players, and other handheld devices have become a major computing platform. Wherever users go, they utilize 3G and WiFi connectivity to access a wide array of Internet services. The small, mobile nature of these devices results in a uniquemix of application and network usage. As more handheld devices connect to campus, enterprise, and community WiFi networks, administrators need to adjust their network's configuration to cope with the unique traffic characteristics of handhelds. Other studies have used WiFi and 3G wireless traces to analyze session, mobility, and performance characteristics for handheld devices.
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