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- Title
Optimal Detection Range of RFID Tag for RFID-Based Positioning System Using the Ar-NN Algorithm.
- Authors
Soohee Han; Junghwan Kim; Choung-Hwan Park; Hee-Cheon Yoon; Joon Heo
- Abstract
Positioning technology to track a moving object is an important and essential component of ubiquitous computing environments and applications. An RFID-based positioning system using the k-nearest neighbor (k-NN) algorithm can determine the position of a moving reader from observed reference data. In this study, the optimal detection range of an RFID-based positioning system was determined on the principle that tag spacing can be derived from the detection range. It was assumed that reference tags without signal strength information are regularly distributed in 1-, 2- and 3-dimensional spaces. The optimal detection range was determined, through analytical and numerical approaches, to be 125% of the tag-spacing distance in 1-dimensional space. Through numerical approaches, the range was 134% in 2-dimensional space, 143% in 3-dimensional space.
- Subjects
RADIO frequency identification systems; GLOBAL Positioning System; OPTIMAL designs (Statistics); THREE-dimensional imaging; SENSOR networks; ARTIFICIAL satellites; DETECTORS; ALGORITHMS; TECHNOLOGICAL innovations
- Publication
Sensors (14248220), 2009, Vol 9, Issue 6, p4543
- ISSN
1424-8220
- Publication type
Article
- DOI
10.3390/s90604543