Modeling the Lifetime of Wireless Sensor Networks
Abstract: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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