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The evolution of wireless network standards, e.g., GSM/GPRS, UMTS, WiFi, WiMAX, and end-user devices has paved the way towards Next Generation Mobile Networks (NGMN), where users are always connected through multiple radio access networks. NGMN technologies target to improve the user experience especially for mobile data and multimedia services, which are in line with user expectations evident from, for instance, the increasingly popular mobile web video streaming. To understand the quality that can be offered to the user, the authors compare the Quality of Experience (QoE) for web streaming in a prototype NGMN testbed with WiFi and 3G UMTS/HSDPA support.
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