A Coalitional Game Model for Heat Diffusion Based Incentive Routing and Forwarding Scheme

  • Authors:
  • Xiaoqi Li;Wujie Zheng;Michael R. Lyu

  • Affiliations:
  • Department of Computer Science and Engineering, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong,;Department of Computer Science and Engineering, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong,;Department of Computer Science and Engineering, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong,

  • Venue:
  • NETWORKING '09 Proceedings of the 8th International IFIP-TC 6 Networking Conference
  • Year:
  • 2009

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Abstract

We propose an incentive routing and forwarding scheme that integrates a reputation system into a monetary payment mechanism to encourage nodes cooperation in wireless ad hoc networks. For the first time in the literature, we build our reputation system based on a heat diffusion model. The heat diffusion model provides us a way of combining the direct and indirect reputation together and propagating the reputation from locally to globally. Further, we model and analyze our incentive scheme using a coalitional game, which is not the usual non-cooperative game like others. We further prove that under a proper condition this game has a non-empty stable core. From the evaluation we can see that the cumulative utility of nodes increases when nodes stay in the core.