Journal
PERVASIVE AND MOBILE COMPUTING
Volume 8, Issue 2, Pages 292-316Publisher
ELSEVIER
DOI: 10.1016/j.pmcj.2011.09.003
Keywords
Data analysis; Indoor positioning system; Location fingerprint; Measurement; Wireless LAN
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An indoor positioning system that uses a location fingerprinting technique based on the received signal strength of a wireless local area network is an enabler for indoor location-aware computing. Data analysis of the received signal strength indication is very essential for understanding the underlying location-dependent features and patterns of location fingerprints. This knowledge can assist a system designer in accurately modeling a positioning system, improving positioning performance, and efficiently designing such a system. This study investigates extensively through measurements, the features of the received signal strength indication reported by IEEE 802.11b/g wireless network interface cards. The results of the statistical data analysis help in identifying a number of phenomena that affect the precision and accuracy of indoor positioning systems. (C) 2011 Elsevier B.V. All rights reserved.
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