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An Adaptive Incentive/Topology Control Scheme for Stimulating Real time Data Forwarding in VANET Environment  

Bae, Seo-Yun (Ewha W. University)
Kim, Nak-Myeong (Ewha W. University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.48, no.7, 2011 , pp. 1-8 More about this Journal
Abstract
Vehicular Ad-hoc Network (VANET) is a special form of Mobile Ad-hoc Network designed to provide communications among nearby vehicles without communications infrastructure. Some characteristics in VANET environment such as high mobility, dynamic topology and selfishness of nodes can cause degradation of network quality. In this paper, we propose an adaptive incentive/topology control scheme to improve network quality in VANET by stimulating real time data forwarding and reporting changes of network topology. In the proposed scheme, an incentive suggested by the source node is updated in real time simultaneously with data transmission to stimulate real time data forwarding. In addition, when the order of the nodes in the path is changed, nodes which report the changes of network topology will get an additional incentive. By computer simulation, it is shown that the proposed incentive/topology control scheme outperforms the conventional schemes with respect to data delivery time and data delivery ratio.
Keywords
VANET; incentive; selfishness; real time data forwarding;
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