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The Design and Implementation of Precision RTLS in the Radio Shadow Area  

Son, Sang-Hyun (부산대학교 컴퓨터 공학과 임베디드시스템 연구실)
Choi, Hoon (부산대학교 컴퓨터 공학과 임베디드시스템 연구실)
Jung, Yeon-Su (부산대학교 컴퓨터 공학과 임베디드시스템 연구실)
Baek, Yun-Ju (부산대학교 컴퓨터 공학과 임베디드시스템 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.35, no.4A, 2010 , pp. 401-407 More about this Journal
Abstract
As according to utilizing mobile devices, the real time locating system to provide high quality service is required. RTLS based on wireless communication can be damaged from radio shadow areas which guarantee the line of sight. To cope with the radio shadow area, this paper proposes the performance improvement method using assistant tags and a directional antenna based reader. In addition, this paper also provides the design and implementation of RTLS and experiments for performance evaluation. The result shows that a success rate is increased up to 38% and accuracy is a CEP of 1.13 meters.
Keywords
RTLS; Locating system; Radio Shadow Area; Assistant Tag; GDOP;
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