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http://dx.doi.org/10.7840/kics.2014.39B.9.614

Approximate 3D Localization Mechanism in Wireless Sensor Network  

Shim, Jaeseok (University of Suwon, Department of Computer Science)
Lim, Yujin (University of Suwon, Department of Information Media)
Park, Jaesung (University of Suwon, Department of Information Security)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.39B, no.9, 2014 , pp. 614-619 More about this Journal
Abstract
In WSN (Wireless Sensor Networks) based surveillance system, it needs to know the occurrence of events or objects and their locations, because the data have no meaning without location information. Using traditional 2D localization mechanisms provide good accuracy where altitude is fixed. But the mapping the position estimated by 2D localization to the real world can cause an error. Even though 3D localization mechanisms provide better accuracy than 2D localization, they need four reference nodes at least and high processing overhead. In our surveillance system, it is needed to estimate the height of the detected object in order to determine if the object is human. In this paper, we propose a height estimation mechanism which does not require many reference nodes and high complexity. Finally, we verify the performance of our proposed mechanism through various experiments.
Keywords
wireless sensor networks; localization; surveillance system;
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Times Cited By KSCI : 3  (Citation Analysis)
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