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논문 기본 정보

자료유형
학술저널
저자정보
신범주 (Division of Software, Hallym University, Chuncheon, Gangwon-do 24252, South Korea) 이택진 (Augmented Safety System with Intelligence Sensing & Tracking, Korea Institute of Science and Technology, Seoul 02972, South Korea)
저널정보
사단법인 항법시스템학회 Journal of Positioning, Navigation, and Timing Journal of Positioning, Navigation, and Timing Vol.13 No.3
발행연도
2024.9
수록면
331 - 339 (9page)
DOI
10.11003/JPNT.2024.13.3.331

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초록· 키워드

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Reliable and precise indoor localization is crucial for personal navigation, emergency rescue, and monitoring workers indoors. To use this technology in different applications, it is important to make it less dependent on infrastructure and to keep the error as small as possible. Fingerprinting stands out as a popular choice for indoor positioning because it leverages existing infrastructure and works with just a smartphone. However, its accuracy heavily relies on the quality of that infrastructure. For instance, having too few access points or beacons can greatly reduce its effectiveness. To reduce dependence on RF infrastructure, we have developed surface correlation (SC) using accumulated Received Signal Strength Indicator (RSSI) signals This approach constructs a user mask for radio map comparisons using an accumulated RSSI vector and the trajectory of the user, which is estimated through PDR. The location with the highest correlation is considered as the user's position after comparison. Through a simulation, the performance of short RSSI vector-based technology and SC is analyzed, and future directions for the development of SC are discussed.

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