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Wi-Fi Fingerprint Location Estimation System Based on Reliability
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 Title & Authors
Wi-Fi Fingerprint Location Estimation System Based on Reliability
Son, Sanghyun; Park, Youngjoon; Kim, Beomjun; Baek, Yunju;
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 Abstract
Fingerprinting technique uses the radio signal strength measured reference locations is typically used, although there are many Wi-Fi based location tracking techniques. However, it needs numerous reference locations for precision and accuracy. This paper the analyzes problems of previous techniques and proposes a fingerprinting system using reliability based on a signal strength map. The system collects the signal strength data from a number of reference locations designated by the developer. And then it generates path-loss models to one of the access points for each reference location. These models calculate the predicted signal strength and reliability for a lattice. To evaluate proposed method and system performance, We perform experiments in a real indoor environment installed access points. According to the result, the proposed system reduced distance error than RADAR. Comparing the existing system, it reduced about 1.74m.
 Keywords
Wi-Fi;fingerprint;reliability;RSSI modeling;locating system;
 Language
Korean
 Cited by
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TDOA 위치 추정 시스템에서의 신호 샘플링 속도에 따른 위치 오차에 관한 연구,오종택;

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Location Estimation Method of Positioning System utilizing the iBeacon, Journal of the Korea Institute of Information and Communication Engineering, 2015, 19, 4, 925  crossref(new windwow)
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