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Lifetime maximization is a key challenge in the design of sensor-network-based tracking applications. In this paper, formation of optimal coalitions of nodes is investigated for data acquisition in bearings-only target localization such that the average sleep times allocated to the nodes are maximized. Cooperative game theory is utilized as a tool to devise a distributed dynamic coalition formation...
This paper proposes a dynamic coalition formation algorithm for efficient sleep time allocation in a wireless sensor network (WSN) deployed to localize targets based on cooperation among the nodes. The sleep time allocation problem is formulated as a non-convex cooperative game and the concept of the core is exploited to solve this problem. In this formulation, determinant of the Cramer-Rao lower...
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