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International Journal of Advanced Engineering, Management and Science

Power Consumption and Energy Estimation in Smartphones

( Vol-2,Issue-10,October 2016 )

Author(s): Ahmed Alsheikhy, Reda Ammar, Raafat Elfouly, Mosleh Alharthi

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Page No: 1758-1765
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Finite State Machine (FSM), Hierarchical Performance Model (HPM), Power consumption, Real-time embedded systems, Smartphones.


A developer needs to evaluate software performance metrics such as power consumption at an early stage of design phase to make a device or a software efficient especially in real-time embedded systems. Constructing performance models and evaluation techniques of a given system requires a significant effort. This paper presents a framework to bridge between a Functional Modeling Approach such as FSM, UML etc. and an Analytical (Mathematical) Modeling Approach such as Hierarchical Performance Modeling (HPM) as a technique to find the expected average power consumption for different layers of abstractions. A Hierarchical Generic FSM “HGFSM” is developed to be used in order to estimate the expected average power. A case study is presented to illustrate the concepts of how the framework is used to estimate the average power and energy produced.

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