Signal Propagation Modeling Based on Weighting Coefficients Method in Underground Tunnels

Authors

  • Yusuf Karaca Graduate School of Natural and Applied Sciences Dokuz Eylül University, İzmir, Turkey
  • Özgür Tamer Department of Electrical and Electronics Engineering Dokuz Eylül University, İzmir, Turkey

Keywords:

Propagation modeling, underground tunnel, underground communications

Abstract

The propagation of electromagnetic waves guided in tunnels and mines is an area of scientific study which is hard to model due to multiple reflections on walls and surrounding obstacles. A novel propagation model for underground tunnels based on the weighting sum of the log-distance propagation model, the modified waveguide model and, the far zone propagation model for the ultra-high frequency (UHF) band is proposed in this paper. The propagation model is divided into five regions based on the distance between the transmitter and the receiver. Each region shows a different propagation characteristic and modeled with weighting sum of the base propagation models. Our model was tested in a tunnel with 2 m x 1.5 m cross-section and 250 m length. Measurement results are consistent with the proposed propagation model.

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Author Biographies

Yusuf Karaca, Graduate School of Natural and Applied Sciences Dokuz Eylül University, İzmir, Turkey

Yusuf Karaca received his B.S. degree from the Department of Electronic Engineering, Uludağ University, in 2010, Bursa, Istanbul, Turkey and M.S. degree from Department of Electrical-Electronics Engineering, Istanbul University, in 2014, Istanbul, Turkey. Currently, he is a graduate Research Assistant School of Department of Electrical-Electronics Engineering, Dokuz Eylül University, İzmir, Turkey. He is pursuing a Ph.D. degree under the supervision of Asst. Prof. Özgür Tamer. His current research interests are in Electromagnetic Wave Propagation, Wireless Underground Communication Networks, and Wireless Sensor Networks.

Özgür Tamer, Department of Electrical and Electronics Engineering Dokuz Eylül University, İzmir, Turkey

Özgür TAMER received his BSc., MSc. in and Ph.D. at Dokuz Eylul University Electrical and Electronics Eng. Dept in 1997, 2001, and 2008 respectively. He worked at NTNU Telematics Department at Trondheim/Norway as a postdoc researcher from 2010-2011 He is currently working as an Assistant Professor at Dokuz Eylul University Electrical and Electronics Eng. Dept. İzmir/Turkey. His main research interests are focused on smart antenna systems, embedded systems, and wireless sensor networks.

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Published

2021-10-21

How to Cite

Karaca, Y. ., & Tamer, Özgür . (2021). Signal Propagation Modeling Based on Weighting Coefficients Method in Underground Tunnels. The Applied Computational Electromagnetics Society Journal (ACES), 36(08), 1059–1064. Retrieved from https://journals.riverpublishers.com/index.php/ACES/article/view/11809

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