An Indoor Location Tracking using Wireless Sensor Networks Cooperated with Relative Distance Fingerprinting

Youn Sik Hong

doi:10.17485/ijst/2015/v8iS1/60758

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An Indoor Location Tracking using Wireless Sensor Networks Cooperated with Relative Distance Fingerprinting

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2015/v8iS1/60758

Year: 2015, Volume: 8, Issue: Supplementary 1, Pages: 1-7

Original Article

An Indoor Location Tracking using Wireless Sensor Networks Cooperated with Relative Distance Fingerprinting

Youn-Sik Hong^*

Department of Computer Science and Engineering, Incheon National University, Incheon, 406-772, Korea; [email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

We present a method of moving path control of an automatic guided vehicle (AGV) in an indoor environment through recognition of markers. A linear relationship between the relative distance to a marker from the current location of an AGV and the size of the recognized marker image can be built. Thus using the length of the recognized marker image as a fingerprint instead of the received signal strength (RSS) may result in a more reliable estimation of the location. Our simulation results show that the maximum localization error is less than 2cm and thus the range of the estimation error is ±0.025%. The main advantage of the proposed system is that they are highly flexible for on-demand delivery to any location.
Keywords: Automatic Guided Vehicle, Finger Printing Algorithm, Location Tracking, Marker Recognition