Evaluation of optimal cluster size in heterogenous energy wireless sensor networks

2012 ◽  
Author(s):  
Norah Tuah ◽  
Mahamod Ismail ◽  
Kasmiran Jumari
Keyword(s):  
Wireless Sensor Networks ◽  
Sensor Networks ◽  
Cluster Size ◽  
Wireless Sensor ◽  
Optimal Cluster

scholarly journals R-bUCRP: A Novel Reputation-Based Uneven Clustering Routing Protocol for Cognitive Wireless Sensor Networks

2016 ◽  
Vol 2016 ◽  
pp. 1-9
Author(s):  
Mingchuan Zhang ◽  
Ruijuan Zheng ◽  
Ying Li ◽  
Qingtao Wu ◽  
Liang Song
Keyword(s):  
Wireless Sensor Networks ◽  
Sensor Networks ◽  
Routing Protocol ◽  
Cluster Head ◽  
Residual Energy ◽  
Wireless Sensor ◽  
Selfish Nodes ◽  
Simulation Results ◽  
Establishment Phase ◽  
Optimal Cluster

Energy of nodes is an important factor that affects the performance of Wireless Sensor Networks (WSNs), especially in the case of existing selfish nodes, which attracted many researchers’ attention recently. In this paper, we present a reputation-based uneven clustering routing protocol (R-bUCRP) considering both energy saving and reputation assessment. In the cluster establishment phase, we adopt an uneven clustering mechanism which controls the competitive scope of cluster head candidates to save the energy of WSNs. In the cluster heads election phase, the residual energy and reputation value are used as the indexes to select the optimal cluster head, where the reputation mechanism is introduced to support reputation assessment. Simulation results show that the proposed R-bUCRP can save node energy consumption, balance network energy distribution, and prolong network lifetime.

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