An Energy-Efficient Game-Theory-Based Spectrum Decision Scheme for Cognitive Radio Sensor Networks

An Energy-Efficient Game-Theory-Based Spectrum Decision Scheme for Cognitive Radio Sensor Networks

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A cognitive radio sensor network (CRSN) is a wireless sensor network in which sensor nodes are equipped with cognitive radio.In this paper, we propose an energy-efficient game-theory-based spectrum decision (EGSD) scheme for CRSNs to prolong the network lifetime.Note that energy efficiency is the most important design consideration in CRSNs wac 4011 because it determines the network lifetime.The central part of the EGSD scheme consists of two spectrum selection algorithms: random selection and game-theory-based selection.

The EGSD scheme also includes a clustering algorithm, spectrum characterization with click here a Markov chain, and cluster member coordination.Our performance study shows that EGSD outperforms the existing popular framework in terms of network lifetime and coordination overhead.