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Semi-markov Process Based Cooperation Enforcement Mechanism for MANETs

Conference paper
Part of the Smart Innovation, Systems and Technologies book series (SIST, volume 32)

Abstract

Network Survivability is defined as the potential of the network to maintain its connectivity even during the event of failures and attacks. This network survivability is highly affected by the presence of selfish nodes in the ad hoc network. In this paper, we focus on developing a Semi-Markov Process based Cooperation Enforcement Model (SMPCEM) for isolating selfish nodes and further analyze the factors that affect network survivability through transition probability matrix derived from stochastic events. Furthermore, we examine the dynamic change in behavior of mobile nodes based on parameters like residual energy and packet delivery rate. Finally, we evaluate the proposed SMPCEM approach through simulation and numerical analysis. The simulation results make it evident that SMPCEM efficiently isolates selfish nodes and upholds the network survivability by increasing the packet delivery ratio and decreasing the end to end delay, drop rate, energy consumption when compared to Correlated Node Behavior Model (CNBM).

Keywords

Semi-markov decision process Cooperation Selfish nodes Stochastic properties Network survivability Transition probability matrix 

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Copyright information

© Springer India 2015

Authors and Affiliations

  1. 1.Department of Computer Science and EngineeringPondicherry Engineering CollegePillaichavadyIndia

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