Location Information Reliability-Based Precision Locating System Using NLOS Condition Estimation 


Vol. 38,  No. 1, pp. 97-108, Jan.  2013


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  Abstract

Recently, mobile devices were increased and there was a sharp rise in demand. To exploit the location information of each device, many researcher was studying locating systems. The favorite locating or positioning systems were a GPS using satellites and a RTLS using wireless communication between devices. If some obstacle existed nearby the target device, The system have difference of performance. The obstacles near targets were caused signal disconnection and reflection because of NLOS condition. As the result, the NLOS condition degrade the locating performance. In this paper, we propose a locating system which is cooperated two systems using information reliability estimates from LOS/NLOS condition. We developed proposed system. In addition, we performed fields test and simulation tests at various environment for performance evaluation. As the result, the test showed 97% success rate to estimate NLOS condition. Furthermore, the simulation result of our locating system was increased to 89% compared with a single system.

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  Cite this article

[IEEE Style]

S. Son, H. Choi, H. Cho, Y. Baek, "Location Information Reliability-Based Precision Locating System Using NLOS Condition Estimation," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 1, pp. 97-108, 2013. DOI: .

[ACM Style]

Sanghyun Son, Hoon Choi, Hyuntae Cho, and Yunju Baek. 2013. Location Information Reliability-Based Precision Locating System Using NLOS Condition Estimation. The Journal of Korean Institute of Communications and Information Sciences, 38, 1, (2013), 97-108. DOI: .

[KICS Style]

Sanghyun Son, Hoon Choi, Hyuntae Cho, Yunju Baek, "Location Information Reliability-Based Precision Locating System Using NLOS Condition Estimation," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 1, pp. 97-108, 1. 2013.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880