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13042 Which battery model to use?
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Jongerden, M.R. and Haverkort, B.R.H.M. (2008) Which battery model to use? In: 24th UK Performance Engineering Workshop, 3-4 Jul 2208, London, UK. pp. 76-88. Technical Report Series of the Department of Computing, Imperial College London (DTR08-9). Imperial College London. ISSN 1469-4166 ISBN 978-0-9559703-0-6

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The use of mobile devices like cell phones, navigation systems, or laptop computers, is limited by the lifetime of the included batteries. This lifetime depends naturally
on the rate at which energy is consumed, however, it also depends on the usage pattern of the battery. Continuous drawing of a high current results in an excessive drop of residual capacity. However, during intervals with no or very small currents, batteries do recover to a certain extend.
The usage pattern of a device can be well modeled with stochastic workload models. However, one still needs a battery model to describe the effects of the power consumption on the state of the battery. Over the years many different types of battery models have been developed for different application areas. The best type of model to use in the setting of performance modelling are analytical models. In this paper we analyse two well-known analytical models, and show that one is actually an approximation of the other; this was not known previously. Furthermore, we tested the suitability of these models for performance evaluation purpose.

Item Type:Conference or Workshop Paper (Full Paper, Talk)
Research Group:EWI-DACS: Design and Analysis of Communication Systems
Research Program:CTIT-DSN: Dependable Systems and Networks
ID Code:13042
Deposited On:07 October 2008
More Information:statisticsmetis

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