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Mobile Networks and Applications - Special issue: mobile networking in the Internet
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MobiCom '00 Proceedings of the 6th annual international conference on Mobile computing and networking
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ACM Transactions on Computer Systems (TOCS)
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ACM Transactions on Computer Systems (TOCS)
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PACS'03 Proceedings of the Third international conference on Power - Aware Computer Systems
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IPSN '08 Proceedings of the 7th international conference on Information processing in sensor networks
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Blue-Fi: enhancing Wi-Fi performance using bluetooth signals
Proceedings of the 7th international conference on Mobile systems, applications, and services
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Proceedings of the 7th international conference on Mobile systems, applications, and services
PAN-on-Demand: leveraging multiple radios to build self-organizing, energy-efficient pans
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Footprint: cellular assisted Wi-Fi AP discovery on mobile phones for energy saving
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IEEE Wireless Communications
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WCNC'09 Proceedings of the 2009 IEEE conference on Wireless Communications & Networking Conference
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Information Systems Frontiers
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CoolSpots enable a wireless mobile device to automatically switch between multiple radio interfaces, such as WiFi and Bluetooth, in order to increase battery lifetime. The main contribution of this work is an exploration of the policies that enable a system to switch among these interfaces, each with diverse radio characteristics and different ranges, in order to save power - supported by detailed quantitative measurements. The system and policies do not require any changes to the mobile applications themselves, and changes required to existing infrastructure are minimal. Results are reported for a suite of commonly used applications, such as file transfer, web browsing, and streaming media, across a range of operating conditions. Experimental validation of the CoolSpot system on a mobile research platform shows substantial energy savings: more than a 50% reduction in energy consumption of the wireless subsystem is possible, with an associated increase in the effective battery lifetime.