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http://dx.doi.org/10.14400/JDC.2014.12.11.273

A Study on a 3-Dimensional Positioning System over Indoor Wireless Environments  

Kang, Byeong-Gwon (Dept. of Information and Communication Engineering, Soonchunhyang University)
Choi, Sung-Ja (Dept. of Multimedia Engineering, Hannam University)
Kim, Gui-Jung (Dept. Biomedical Engineering, Konyang University)
Park, Yong-Seo (Dept. of Electrical Engineering, Gachon University)
Publication Information
Journal of Digital Convergence / v.12, no.11, 2014 , pp. 273-279 More about this Journal
Abstract
In this paper, we propose a novel algorithm for three dimensional positioning system and implement a system over indoor wireless channel. A commercial modules are used for mobile and fixed nodes which are product of German company Nanotron Co. This module adopts chirp spread spreading scheme as modulation method to improve the ranging resolution and the module satisfies the IEEE standard 802.15.4a. The distance computation is based on received signal strength(RSS) levels and trilateration method. A testbed was set up to measure and compare the positioning estimation error of the proposed algorithm. The experiments results showed that the accuracy of location estimation was sufficiently good as much as 1m distance error in a wireless environment in an office building.
Keywords
positioning; CSS; trilateration; 3-dimension; indoor channel;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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