Abstract

Contact discovery is important to energy conservation in mobile opportunistic networks. In this paper, we propose an energy-efficient contact detection model with contact process following the Poisson distribution. Based on the proposed model, we find out the relation between the total number of effective contact detections and the interval of contact probing, and obtain the trade-offs between energy consumption and contact probing efficiency in different situations. Experiment is done, and the result shows the reasonability and correctness of the proposed contact detection model. Based on this work, the mobile devices can have the contact probing interval set according to the environment for energy conservation.

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