Dependable Geographical Routing on Wireless Sensor Networks

Authors:
Yue-Shan Chang;Ming-Tsung Hsu;Hsu-Hang Liu;Tong-Ying Juang
Affiliations:
Dept. of Computer Science and Information Engineering, National Taipei U., 151, University Road, Sanhsia, Taipei County, 237, R.O.C.;Institute of Information Management, National Taiwan U., No. 1, Sec. 4, Roosevelt Road, Taipei, 10617, Taiwan;Institute of Information Management, National Taipei U., 151, University Road, Sanhsia, Taipei County, 237, R.O.C.;Dept. of Computer Science and Information Engineering, National Taipei U., 151, University Road, Sanhsia, Taipei County, 237, R.O.C.
Venue:
ICESS '07 Proceedings of the 3rd international conference on Embedded Software and Systems
Year:
2007

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Abstract

Geographic routing protocols on Wireless Sensor Network (WSN) had been researched for many years, but they did not concern with the fault problem. In this paper, we propose an approach to enhance dependability of existing geographical routing protocols to deal with the fault problem and consider the routing problem based on the fault map via query-driven models. For query-driven model, a novel algorithm, called Relay Node Selection Algorithm (RNSA) is proposed, which selects a few relay nodes as temporary destinations. Simulation shows that the success rate of data transmission originated from base station can be raised substantially and the hop count is also reduced via the selected relay nodes.