Cluster-Based Routing Mechanism for Efficient Data Delivery to Group Mobile Users in Wireless Ad-Hoc Networks 


Vol. 38,  No. 11, pp. 1060-1073, Nov.  2013


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  Abstract

In this paper, we present a cluster-based routing scheme for efficiently delivering data to group mobile users by extracting and clustering mobile user group simply from beacon message information in wireless ad-hoc networks. First, we propose an online-clustering mechanism that uses a local neighbor table on each node by recursively transmitting to neighbor nodes, and forms a group table where a set of listed nodes are classified as group members, without incurring much overhead. A node that appears the most frequently from neighbor tables throughout the network is selected as the cluster-head node, serving as a data gateway for the intra-cluster. Second, we design an inter-cluster routing that delivers data from stationary data sources to the selected cluster-head node, and a intra-cluster routing to deliver from the cluster-head node to users. Simulation results based on ns-2 in the ad-hoc networks consisting of 518 stationary nodes and 20 mobile nodes show that our proposed clustering mechanism achieves high clustering accuracy of 96 % on average. Regarding routing performance, our cluster-based routing scheme outperforms a naive one-to-one routing scheme without any clustering by reducing routing cost up to 1/20. Also, our intra-cluster routing utilizing a selected cluster-head node reduces routing cost in half as opposed to a counterpart of the intra-cluster routing through a randomly-selected internal group member.

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  Cite this article

[IEEE Style]

J. Yoo, K. Han, D. Jeong, H. Lee, "Cluster-Based Routing Mechanism for Efficient Data Delivery to Group Mobile Users in Wireless Ad-Hoc Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 11, pp. 1060-1073, 2013. DOI: .

[ACM Style]

Jinhee Yoo, Kyeongah Han, Dahee Jeong, and HyungJune Lee. 2013. Cluster-Based Routing Mechanism for Efficient Data Delivery to Group Mobile Users in Wireless Ad-Hoc Networks. The Journal of Korean Institute of Communications and Information Sciences, 38, 11, (2013), 1060-1073. DOI: .

[KICS Style]

Jinhee Yoo, Kyeongah Han, Dahee Jeong, HyungJune Lee, "Cluster-Based Routing Mechanism for Efficient Data Delivery to Group Mobile Users in Wireless Ad-Hoc Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 11, pp. 1060-1073, 11. 2013.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880