RESEARCH ARTICLE


Virtual Scanning Algorithm Based on Additional-area in Road Surveillance



Zhi Zhang1, Fang Li*, 2, 3
1 Hainan College of Vocation and Technique, Haikou 570216, China
2 College of Computer Science, Chongqing Univer-sity, Chongqing 404100, China
3 Chongqing City Management College, Chongqing 404100, China


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Creative Commons License
© 2015 Zhang and Li;

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Abstract

The road surveillance based on wireless sensor network nowadays has received great attention and its application has been extensively used in practice. In this application, when the invasion target moves from road entrance to system protection points in road network, the nodes in wireless sensor network could detect the target timely and give an alarm before the target reaches the protection points.There are three main types of algorithms for nodes awake in road surveillance application presently, namely AAU(Always Awake-Up) algorithm, DC(Duty-Cycling) algorithm and Virtual Scanning Algorithm (VISA). VISA, which tailored and optimized for road network surveillance, has better performance than the others.This paper puts forward Virtual Scanning Algorithm based on Additional-area(VISAA), which introduces the more sleep time of the nodes based on the Additional Communication Area, to ensure the surveillance more reliability and effectively.The simulation results show that our algorithm has positive significance to improve the performance of road surveillance.

Keywords: Road surveillance, wireless sensor network, virtual scanning algorithm.