Possibility and Necessity Measures to Enhance Reliability and Cooperation in MANETS
To enforce cooperation in MANET this work presents the Perfect Evidence (PE) model which uses reputation value to obtain the possibility and necessity measures and isolate a node having perfect evidence. It involves nesting of focal element to know the perfect evidence. The proposed model enhances performance of the network because it eliminates only one misbehaving node in each turn, which maintains the total strength of nodes in a network. In addition to that it enhances cooperation in network because it identifies and isolates the most misbehaving node and warns other misbehaved nodes. The warning message suggests other misbehaving nodes to cooperate in network activities otherwise at any turn it will be isolated from the network. Experimental result shows the efficiency of the model.
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