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Sensors 2014, 14(11), 20188-20216; doi:10.3390/s141120188

Using Hybrid Angle/Distance Information for Distributed Topology Control in Vehicular Sensor Networks

Department of Electrical Engineering, Graduate Institute of Communication Engineering, National Chung Hsing University, Taichung 402, Taiwan
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Received: 21 June 2014 / Revised: 9 October 2014 / Accepted: 17 October 2014 / Published: 27 October 2014
(This article belongs to the Special Issue Wireless Sensor Networks and the Internet of Things)

Abstract

In a vehicular sensor network (VSN), the key design issue is how to organize vehicles effectively, such that the local network topology can be stabilized quickly. In this work, each vehicle with on-board sensors can be considered as a local controller associated with a group of communication members. In order to balance the load among the nodes and govern the local topology change, a group formation scheme using localized criteria is implemented. The proposed distributed topology control method focuses on reducing the rate of group member change and avoiding the unnecessary information exchange. Two major phases are sequentially applied to choose the group members of each vehicle using hybrid angle/distance information. The operation of Phase I is based on the concept of the cone-based method, which can select the desired vehicles quickly. Afterwards, the proposed time-slot method is further applied to stabilize the network topology. Given the network structure in Phase I, a routing scheme is presented in Phase II. The network behaviors are explored through simulation and analysis in a variety of scenarios. The results show that the proposed mechanism is a scalable and effective control framework for VSNs. View Full-Text
Keywords: telematics; vehicular sensor networks; topology control telematics; vehicular sensor networks; topology control
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Huang, C.-C.; Chiu, Y.-H.; Wen, C.-Y. Using Hybrid Angle/Distance Information for Distributed Topology Control in Vehicular Sensor Networks. Sensors 2014, 14, 20188-20216.

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