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논문 기본 정보

자료유형
학술저널
저자정보
Kyoung-Woo Cho (Korea University of Technology and Education (KOREATECH)) Eun-Young Chang (Kongju National University) Chang-Heon Oh (Korea University of Technology and Education (KOREATECH))
저널정보
한국정보통신학회JICCE Journal of information and communication convergence engineering Journal of information and communication convergence engineering Vol.14 No.4
발행연도
2016.12
수록면
207 - 214 (8page)

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초록· 키워드

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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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Abstract
I. INTRODUCTION
II. CONVENTIONAL FINGERPRINTING TECHNIQUE
III. PROPOSED FINGERPRINTING TECHNIQUE
IV. EXPERIMENTAL RESULTS
V. CONCLUSION
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