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 ENG  Vol.6 No.4 , March 2014
A Cooperation-Aware Scheme for Overcoming the Traffic Congestion in the Deployment of WSNs
Abstract: An algorithm for enhancing the throughput of CAS (Cooperation-Aware Scheme) over a WSN (wireless sensor network) is presented in this article. The WSNs are classified as a task-oriented framework due to the fact that the power supply, memory and computing power of wireless sensor nodes are greatly hampered in WSNs. This study focused on exploring problems caused by traffic congestion on the WSNs with a large amount of flow, such as packet loss, bandwidth reduction, and waste of energy on the sensor nodes. On the other hand, the proposed CAS is a cooperative strong node mechanism in which a threshold is preset in order to determine whether the node traffic is over or not. The privilege of corresponding sensor nodes is upgraded when the load exceeds the threshold. Therefore, the sensor node can command its child nodes to change the transmission path for distributing the traffic effectively. Moreover, once the traffic is over the overall network flow threshold, it is necessary to add the other new sensor nodes into the network for relieving the traffic.
Cite this paper: Chien, Y. , Chen, J. , Lee, B. , Wu, W. and Liou, C. (2014) A Cooperation-Aware Scheme for Overcoming the Traffic Congestion in the Deployment of WSNs. Engineering, 6, 185-192. doi: 10.4236/eng.2014.64022.
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