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Forwarding cooperation in mobile Ad Hoc networks based on evolution game theory

To enhance the packets forwarding cooperation between selfish nodes in mobile Ad Hoc networks,a solution based on evolution game theory is developed.Trading off between energy cost and packets forwarded,the forwarding cooperation is modeled as a single stage game,and the selfish motive of the nodes is testified.Extending the single stage game as an evolution game,a G-TFT(generous Tit for Tat) forwarding strategy is given as the Nash equilibrium for the selfish nodes.Simulation results show that adjusting the generosity factor g under the G-TFT scheme results in effectively stimulated cooperation between the selfish nodes.