Design and Implementation of RF based locating System for NLOS Environment 


Vol. 36,  No. 7, pp. 654-661, Jul.  2011


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  Abstract

RTLS (Real-time locating systems) are used for tracking the location of people or assets in real time. In this system, RTLS readers continuously communicate with RTLS tags for measuring time or ranges and location engine tries to calculate accurate location of tags. However, when we attempt to apply this system to real world, the non-line-of-sight(NLOS) problem can be critical to the system performance because of the obstacles. In this paper, we suggest a new location estimation method for an NLOS environment using a reader-selection strategy. We have implemented all components of the locating system and carried out experiments in a test-bed. The accuracy of the system is 50% better than that of the existing general locating system.

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  Cite this article

[IEEE Style]

H. Choi and Y. Baek, "Design and Implementation of RF based locating System for NLOS Environment," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 7, pp. 654-661, 2011. DOI: .

[ACM Style]

Hoon Choi and Yunju Baek. 2011. Design and Implementation of RF based locating System for NLOS Environment. The Journal of Korean Institute of Communications and Information Sciences, 36, 7, (2011), 654-661. DOI: .

[KICS Style]

Hoon Choi and Yunju Baek, "Design and Implementation of RF based locating System for NLOS Environment," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 7, pp. 654-661, 7. 2011.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880