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Towards Applying Reengineering Services to Energy-Efficient Applications

by Jan Jelschen Marion Gottschalk - Proceedings of the 16th Conference on Software Maintenance and Reengineering , 2012
"... Abstract—Conserving resources and saving energy has become an important issue for information and communication technology. With increasing adoption of smartphones and tablet PCs, reducing energy consumption in mobile computing is of particular significance. User expectations towards their mobile de ..."
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Abstract—Conserving resources and saving energy has become an important issue for information and communication technology. With increasing adoption of smartphones and tablet PCs, reducing energy consumption in mobile computing is of particular significance. User expectations towards their mobile devices are rising, and functionality is increasing. Accordingly, available energy is made a scarce resource. This paper discusses how software reengineering techniques, like dynamic analysis and refactoring, can be applied to the field of energy-aware computing, to monitor, analyze, and optimize the energy profile of mobile applications and devices.
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Enhancing IEEE 802.11 Energy Efficiency for Continuous Media Applications

by Vitor Bernardo, Marilia Curado, Torsten Braun
"... Abstract. This paper proposes the Optimized Power save Algorithm for continuous Media Applications (OPAMA) to improve end-user device energy efficiency. OPAMA enhances the standard legacy Power Save Mode (PSM) of IEEE 802.11 by taking into consideration application specific requirements combined wit ..."
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Abstract. This paper proposes the Optimized Power save Algorithm for continuous Media Applications (OPAMA) to improve end-user device energy efficiency. OPAMA enhances the standard legacy Power Save Mode (PSM) of IEEE 802.11 by taking into consideration application specific requirements combined with data aggregation techniques. By establishing a balanced cost/benefit tradeoff between performance and energy consumption, OPAMA is able to improve energy efficiency, while keeping the end-user experience at a desired level. OPAMA was assessed in the OMNeT++ simulator using real traces of variable bitrate video streaming applications. The results showed the capability to enhance energy efficiency, achieving savings up to 44 % when compared with the IEEE 802.11 legacy PSM.
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An IEEE 802.11 Energy Efficient Mechanism for Continuous Media Applications

by Vitor Bernardoa, Marilia Curadoa, Torsten Braunb
"... NOTICE: this is the authors version of a work that was accepted for publication in Sustainable Computing: Informatics and Systems. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflecte ..."
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NOTICE: this is the authors version of a work that was accepted for publication in Sustainable Computing: Informatics and Systems. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently
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REDUCING SMARTPHONE ENERGY CONSUMPTION WITH TASK OFFLOADING

by Shaikh Nisar Salim, Prof Raut S. Y
"... Assignment offloading from cell phones to the cloud is a promising system to improve the processing capacity of cell phones and draw out their battery life. Then again, assignment offloading presents a correspondence cost for those gadgets. In this manner, the thought of the correspondence expense i ..."
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Assignment offloading from cell phones to the cloud is a promising system to improve the processing capacity of cell phones and draw out their battery life. Then again, assignment offloading presents a correspondence cost for those gadgets. In this manner, the thought of the correspondence expense is essential for the adequacy of errand offloading. To make undertaking offloading valuable, one of the difficulties is to evaluate the vitality devoured in correspondence exercises of assignment offloading. Precise vitality estimation models will empower these gadgets to settle on the right choices with reference to regardless of whether to perform errand offloading, taking into account the vitality expense of the correspondence exercises. Basically, if the offloading procedure expends less vitality than preparing the errand on the gadget itself, then the undertaking is offloaded to the cloud. To outline a vitality mindful offloading methodology, we create vitality models of the WLAN, third-era, and fourth-era interfaces of cell phones. These models make cell phones able to do precisely assessing the vitality expense of undertaking offloading. We accept the models by directing a broad arrangement of investigations on five cell phones from distinctive merchants. The trial results demonstrate that our estimation models precisely assess the vitality required to offload errands.
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Energy Economical Resolution for Heavy Computation Using Cloud

by Fazeel Irshad Zama, Dr. Manoj, B. Ch
"... Abstract — In spite of the dramatic growth inside the variability of excellent phones in recent years, the challenge of restricted energy capability of these devices has not been resolved satisfactorily. However, inside the age of cloud computing, the limitation on energy capability is mitigated off ..."
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Abstract — In spite of the dramatic growth inside the variability of excellent phones in recent years, the challenge of restricted energy capability of these devices has not been resolved satisfactorily. However, inside the age of cloud computing, the limitation on energy capability is mitigated off in a cheap manner by offloading vital tasks to the cloud. It is a necessity permanently phone and cloud computing developers to possess insights into the energy worth of excellent phone applications before implementing the offloading techniques. In this paper, we tend to tend to live the energy worth of transmission applications on sensible phones that square measure connected to Energy as a Service Cloud (EaaSC). We have conducted Associate in nursing comprehensive set of experiments to measure the energy costs to analysis whether or not or not or not sensible phones save energy by victimization EaaSC services. Specifically, we tend to tend to perform all the massive or vital computations on cloud rather than on sensible phone. Energy consumption comparison was performed by victimization protocol and FTP web protocols with 3G and Wi-Fi network interfaces. All the experiments were conducted on Associate in nursing automaton based totally HTC Nexus One sensible phone. Our results show that EaaSC provides the sensible, great & nice phones with easy transmission usefulness and saves good phone energy up to 60 % to 90%. All huge computations square measure performed in EaaS Cloud therefore sensible phones needn’t need to be compelled to try and do the computation regionally. By that it scales back the battery drain of excellent phone.
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