Modeling overall energy consumption in Wireless Sensor Networks

IEEE Computer Society
Publication Type:
Conference Proceeding
The 11th International Conference on Parallel and Distributed Computing, Applications and Technologies, 2010, pp. 273 - 279
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Minimizing the energy consumption of a wireless sensor network application is crucial for effective realization of the intended in terms of cost, lifetime, and functionality. However, the minimizing task is hardly possible as no overall energy cost function is available for optimization. Optimizing a specific component of the toal energy cost does not help in reducing the total energy cost as this reduction may be negated by an increase in the energy consumption of other components of the application. Recently we proposed Hierarchy Energy Driven Architecture as a robust architecture that takes into account all principal energy constituents of wireless sensor network applications. Based on the proposed architecture, this paper presents a single overall model and proposes a feasible formulation to express the overall energy consumption of a generic wireless sensor network application in terms of its energy contituents. In particular, the paper identifies salient components and dominant factors of each energy constituents. The formulation offers a concrete expression for evaluating the performance of a wireless sensor network application, optimizing its constituent's operations, and designing more energy-efficient applications. The paper also presents simulation result to demonstrate the feasibility of our model and energy formulation.
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