IEICE Transactions on Communications
Online ISSN : 1745-1345
Print ISSN : 0916-8516
Special Section on Fundamental Issues on Deployment of Ubiquitous Sensor Networks
Location Error Compensation for Geographic Routing in WSNs
Youngbae KONGYounggoo KWONGwitae PARK
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2010 Volume E93.B Issue 11 Pages 2971-2975

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Abstract

In wireless sensor networks (WSNs), geographic routing algorithms can enhance the network capacity. However, in real WSNs, it is difficult for each node to know its physical location accurately. Geographic routing with location errors may produce serious problems such as disconnected links and data transmission delays. In this letter, we present an efficient location error compensation algorithm for the geographic routing. The proposed algorithm efficiently detects and corrects the location errors and significantly enhances the network performance of geographic routing in the presence of location errors.

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© 2010 The Institute of Electronics, Information and Communication Engineers
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