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Mobile devices are placing energy efficiency in the hands of software developers. Unfortunately, power modelling alone cannot identify significant power variations, nor is it practical in deployment. We show that on-board fine-grained power measurements of the fuel gauge are now both accurate and low overhead.
This paper studies the electricity consumption of mobile phone chargers. The charger's electricity consumption varies depending on its state. We measured the electricity consumption of various phone and charger models in different states. We also did panel studies on the recharging behavior of smartphone users. Based on these and other sources, we are able to estimate mobile phone recharging electricity...
Mobile devices people carry in their pockets every day can use various means to connect to data services all around the Internet, e.g., 2G, 3G and WLAN. This has been an important development towards an easily accessible and always-on the Internet. While radio connectivity, bits rates in particular, has developed tremendously during the recent years, battery technology and electronics has not. Thus,...
As the market for mobile architectures continues its rapid growth, it has become increasingly important to understand and optimize the power consumption of these battery-driven devices. While energy consumption has been heavily explored, there is one critical factor that is often overlooked - the end user. Ultimately, the energy consumption of a mobile architecture is defined by user activity. In...
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