Form Factors for Mobile Computing and Device Symbiosis
ICDAR '05 Proceedings of the Eighth International Conference on Document Analysis and Recognition
Efficient and transparent dynamic content updates for mobile clients
Proceedings of the 4th international conference on Mobile systems, applications and services
Friend relay: a resource sharing framework for mobile wireless devices
WMASH '06 Proceedings of the 4th international workshop on Wireless mobile applications and services on WLAN hotspots
Catnap: exploiting high bandwidth wireless interfaces to save energy for mobile devices
Proceedings of the 8th international conference on Mobile systems, applications, and services
Review: A survey of energy efficient MAC protocols for IEEE 802.11 WLAN
Computer Communications
Proxies for energy-efficient web access revisited
Proceedings of the 2nd International Conference on Energy-Efficient Computing and Networking
ADEL: an automatic detector of energy leaks for smartphone applications
Proceedings of the eighth IEEE/ACM/IFIP international conference on Hardware/software codesign and system synthesis
Energy-efficient mobile web in a bundle
Computer Networks: The International Journal of Computer and Telecommunications Networking
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The relative power consumed in the WLAN interface of a mobile device is rising due to significant improvements in the energy efficiency of the other device components. The unpredictability of the incoming WLAN traffic limits the effectiveness of existing power saving techniques. This paper introduces a Power Aware Web Proxy (PAWP) architecture designed to schedule incoming web traffic into intervals of high and no communication. This traffic pattern allows WLAN interfaces to switch to a low power state after very short idle intervals. PAWP uses a collection of HTTP-level techniques to compensate any negative impact that traffic scheduling may have. PAWP does not require any client or web server modifications. In this paper, we describe our initial experiences with a PAWP implementation for 802.11b WLANs. Our experiments show savings of more than 50% in the energy consumed by the WLAN interface. Finally, our experiences give us insights into possible browser improvements when power consumption is taken into account.