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Modeling the Lifetime of Wireless Sensor Networks

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We propose a novel model to formally define the lifetime of a wireless sensor network based on energy by considering the relationship between individual sensors and the whole sensor network, the importance of different sensors based on their positions, the link quality, and the connectivity and coverage of the sensor network. Using the proposed model, we have compared two types of query protocols, the direct query protocol and the indirect query protocol, in terms of both mathematical analysis and comprehensive simulation. The simulation results validate the correctness of the mathematical analysis and the effectiveness of the proposed lifetime model.


Document Type: Research Article


Publication date: 2005-06-01

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  • The growing interest and activity in the field of sensor technologies requires a forum for rapid dissemination of important results: Sensor Letters is that forum. Sensor Letters offers scientists, engineers and medical experts timely, peer-reviewed research on sensor science and technology of the highest quality. Sensor Letters publish original rapid communications, full papers and timely state-of-the-art reviews encompassing the fundamental and applied research on sensor science and technology in all fields of science, engineering, and medicine. Highest priority will be given to short communications reporting important new scientific and technological findings.
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