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Published in:
2013 | OriginalPaper | Chapter
A Routing Mechanism Using Virtual Coordination Anchor Node Apply to Wireless Sensor Networks
Authors : Chih-Hsiao Tsai, Kai-Ti Chang, Cheng-Han Tsai, Ying-Hong Wang
Published in: Grid and Pervasive Computing
Publisher: Springer Berlin Heidelberg
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In recent years, wireless sensor networks are widely used in many areas. Collecting information efficiently and deliver to base station reliably among the hot topics in wireless sensor networks. Most of the previous studies used the Geographic routing to resolve this problem. Sensors have to know not only their location information, but also one hop neighbor and destination location information. Generally, the Global Positioning System (GPS) provides location and time information, but it will increase the cost, power consumption, and reduce the lifetime of wireless sensor network. In this paper, we propose a Virtual Coordinate System (VCS). With the VCS, WSNs can find the four extreme nodes in the scene as virtual anchor nodes. Then, a shortest path between virtual anchor nodes and sink for transfer data in the random distribution network is created. In this approach, establish a low-power, extend the network lifetime, efficient and fault-tolerant routing mechanism.