Computer Science ›› 2017, Vol. 44 ›› Issue (4): 213-217.doi: 10.11896/j.issn.1002-137X.2017.04.046

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Research on Incentive Strategy of Nodes in Selfish Opportunistic Network

LI Xiang-li and XUAN Mao-yi   

  • Online:2018-11-13 Published:2018-11-13

Abstract: Nodes in opportunistic network are selfish due to limited resource when transmitting messages.In order to encourage nodes to cooperate with each other,the incentive strategies have been proposed to use virtual currency to motivate selfish nodes to transmit messages,but there exist problems of virtual currency shortage and mendacious offer.With the purpose of solving the above problems,this paper proposed a node incentive strategy based on the mechanism of overdraft virtual currency.The strategy designs mechanism of overdraft virtual currency,which uses the ability of messages transmitting of a node as monetary overdraft guarantee to solve the problem of virtual currency shortage.The resource and wealth status are public in the trading mechanism of the strategy,if the message transaction cannot be completed once,the two sides will friendly bargain based on resource and wealth status to suppress the issue of mendacious offer.Simulation results show that the proposed strategy is of effectiveness of the strategy and mechanism of virtual currency,and can suppress the issue of mendacious offer.

Key words: Opportunistic network,Selfish nodes,Virtual currency,Mendacious offer

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