A simple fuzzy clustering approach (SFCA) for supporting for short-range positioning

  • Authors:
  • Yasser L. Morgan

  • Affiliations:
  • University of Regina, Regina, SK, Canada

  • Venue:
  • Proceedings of the 8th ACM international workshop on Mobility management and wireless access
  • Year:
  • 2010

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Abstract

In this research we focus on developing positioning scheme based on short-range wireless signals. To achieve that, we develop a system assuming the availability of multiple fixed access points (5+) and employ Time-of-Arrival (ToA) with Kalman Filter. We also discuss multi/tri-lateration and evaluate some of the root causes for Dilution of Precision (DoP) of calculated positioning. In this article, we present a Simple Fuzzy Clustering Approach (SFCA) aimed at supporting short-range positioning. We use fixed calibrated 2.4 GHz access points. We use real-time observed data while applying our model off-line. We extended the model to mimic the 5.9 GHz Dedicated Short Range Communications (DSRC) signals as defined in IEEE 1609.x. Results are compared in each case and compared to accurately calibrated Differential Global Positioning System (DGPS) record captured on the same testing. We maintained clear Line-of-Sight (LoS) throughout our evaluation and used low speed of the moving vehicles (1