CHEATS: A cluster-head election algorithm for WSN using a Takagi-Sugeno fuzzy system

Energy conservation is very important task for wireless sensor networks (WSN), since external power sources are typically unavailable and the replacement of batteries is clearly impractical for large networks. A classical protocol widely used in WSN, called LEACH (low-energy adaptive clustering hierarchy), is a cluster-based protocol which aims at reducing energy consumption in the network. However, it has some drawbacks. This paper proposes the CHEATS (Cluster-Head Election Algorithm Using a Takagi Sugeno Fuzzy System) protocol, an improvement on the LEACH protocol whose goal is to increase energy effici ency in terms of network lifetime using fuzzy logic through a Takagi-Sugeno system to calculate the probability of election of candidates for cluster-head. Simulation results have shown that the protocol proposed could prolong the lifetime and increase the throughput of the network.

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