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Location Tracking in Indoor Symbolic Space with RFID Sensors  

Kang, Hye-Young (부산대학교 컴퓨터공학과)
Hwang, Jung-Rae (한국건설기술연구원)
Li, Ki-Joune (부산대학교 컴퓨터공학과)
Publication Information
Spatial Information Research / v.19, no.3, 2011 , pp. 53-62 More about this Journal
Abstract
Spatial information services in indoor space are an im portant application area of GIS as in outdoor space. Unlike in outdoor space, a position in indoor space is specified by a symbolic code such as room number, rather than coordinate. Therefore tracking in indoor space is no longer a prediction of coordinates but a symbolic estimation on the current position of a moving object. In this paper, we propose a framework for tracking moving objects in indoor symbolic space with RFID sensors. First, we introduce the concepts of indoor symbolic space and tracking in indoor symbolic space, and define the accessibility graph for trackable indoor symbolic space. Second, we propose a deployment method of RFID readers and a construction algorithm of accessibility graph for trackable indoor symbolic space. Third, a tracking method is proposed for moving objects in symbolic indoor space with RFID sensors. Finally, we present an implementation exmaple and the result of experiment with real data to validate the proposed method.
Keywords
Tracking; Indoor Symbolic Space; RFID;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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