Journal on Communications ›› 2016, Vol. 37 ›› Issue (9): 102-110.doi: 10.11959/j.issn.1000-436x.2016182

• Papers • Previous Articles     Next Articles

Utility-based barter trade incentive scheme in opportunistic network

Jian-sheng YAO1,2,Chun-guang MA1,Qi YUAN1   

  1. 1 College of Computer Science and Technology,Harbin Engineering University,Harbin 150001,China
    2 College of Computer Science,Jilin Normal University,Siping 136000,China
  • Online:2016-09-25 Published:2016-09-28
  • Supported by:
    The National Natural Science Foundation of China;Education Ministry Doctoral Research Foundation of China

Abstract:

In opportunistic networks,existing simple barter trade (SBT) incentive scheme degraded the network performance due to the blindly caching strategy.So a utility-based barter trade (UBT) incentive mechanism was proposed.In the UBT scheme,nodes cache messages by predicting their future encounters and the probability that the encounters forward these messages to their destinations,which improved the caching efficiency and the network performance.Simulated results show that,compared with SBT,UBT can obtain higher delivery ratio and lower delay by less network cost and effectively motivate nodes’ cooperation as well.

Key words: opportunistic networks, selfishness, barter trade incentive mechanisms, utility

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