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Accessing online social media content on underground metro systems is a challenge due to the fact that passengers often lose connectivity for large parts of their commute. As the oldest metro system in the world, the London underground represents a typical transportation network with intermittent Internet connectivity. To deal with disruption in connectivity along the sub-surface and deep-level underground...
Mobile video streaming has become the leading contributor to the explosive growth of mobile Internet traffic. As a key system parameter of mobile video apps, cache threshold plays an important role in regulating the downloading behavior of a mobile device, and directly affects the efficacy of mobile video streaming. In this paper, we first conduct a series of well-designed experiments to understand...
Mobile video streaming has gained growing popularity with the rapid adoption of mobile devices (e.g., smart-phones, tablets, pads). In the market of mobile devices, a large portion were installed with Google's Android as the default operating system. A clear understanding of the Android media framework is of great importance for the performance optimization of mobile video streaming. In this paper,...
The growing popularity of mobile video streaming necessitates a clear understanding of its power consumption on mobile devices. Different from previous work, we focus our attention on the impacts of adverse network conditions, and study how power consumption of mobile video streaming apps changes under different scenarios. To this purpose, we conduct a measurement study in this paper on power consumption...
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