JICCE (한국정보통신학회)
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| 한글제목(Korean Title) |
Radial Reference Map-Based Location Fingerprinting Technique |
| 영문제목(English Title) |
Radial Reference Map-Based Location Fingerprinting Technique |
| 저자(Author) |
Kyoung-Woo Cho
Eun-Young Chang
Chang-Heon Oh
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| 원문수록처(Citation) |
VOL 14 NO. 04 PP. 0207 ~ 0214 (2016. 12) |
한글내용
(Korean Abstract) |
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영문내용
(English Abstract) |
In this paper, we propose a radial reference map-based location fingerprinting technique with constant spacing from an access point (AP) to all reference points by considering the minimum dynamic range of the received signal strength indicator (RSSI) obtained through an experiment conducted in an indoor environment. Because the minimum dynamic range, 12 dBm, of the RSSI appeared every 20 cm during the training stage, a cell spacing of 80 cm was applied. Furthermore, by considering the minimum dynamic range of an RSSI in the location estimation stage, when an RSSI exceeding the cumulative average by ±6 dBm was received, a previously estimated location was provided. We also compared the location estimation accuracy of the proposed method with that of a conventional fingerprinting technique that uses a grid reference map, and found that the average location estimation accuracy of the conventional method was 21.8%, whereas that of the proposed technique was 90.9%.
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| 키워드(Keyword) |
Fingerprinting
Indoor location
Location estimation
Radial reference map
RSSI
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| 파일첨부 |
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