Prediction of Mobile Radio Wave Propagation in Complex Topography

Author: Qaysar S.Mahdi^1
1IT Services Department, Ishik University, Erbil, Iraq

Abstract:  This work studies the prediction of the mobile radio performance and examines the two dimensional mobile radio coverage in case of free space propagation and interference wave propagation for different types of polarization, different types of reflection coefficients, different types of reflecting rough and smooth surfaces. The results show that free space range is less than the interference range but the interference coverage has the lobe structure which causes nulls in the coverage and no signal will be detected in these nulls. Also the results show that the range for the free space propagation is the same for vertical and horizontal polarization but it is greater than the range in case of using circular polarization. The detection range is decreased because of the increasing of the transmitting frequency due to the atmospheric attenuation. This research is widely applicable for V/UHF wireless radio systems, Also it is new approach in simulating and modeling the mobile radio wave propagation and it is very useful as a research and training simulator for the undergraduate and postgraduate students.

Keywords: Performance, Simulator, V/UHF Wireless Radio System

Download the PDF Document from here.

doi: 10.23918/eajse.v4i1sip49

References

AL-Samerai, K.S. (1988). Modeling of Radar Wave Propagation. M.Sc. Thesis, MTC College.

Barry, M. (1997). VHF/UHF/Microwave Radio propagation: A primer for digital experimenters. Retrieved from https://tapr.org/ve3jf.dcc97.

Dorsey, R.D. (1990). VHF Multipath Propagation: Causes & Cures. Proceedings RF Expo EAST,

272. 255-272.

Fumio, I., & Susumu, Y. (1980). Analysis of Multipath Propagation Structure in Urban Mobile Radio Environments. IEEE Trans. Antennas propagation, Vol.Ap-28, No.4.

Griffiths, J. (1987). Radio wave propagation and Antennas: An Introduction. Prentice Hall.

Hanci, Y. B., & Cavdar, H. I. (2004). Mobile Radio propagation measurements and tuning the path loss model in urban areas at GSM-900MHz band in Istanbul-Turkey. Retrieved from  https://i2r.a-star.edu.sg.

Jouko, K. (2006). Mobile System RF Introduction: Phenomena in Wireless channel, Link budget Path Loss calculation. Retrieved from https://opetus.stadia.fi.

Kraus, D. J. (1988). Antenna. New York, McGraw-Hill.

Parsons, D. J. (1992). The Mobile Radio Propagation Channel. Wiley &Sons, Second Edition.

Tarng, H.J., Chang, R.W., &  Hsu, J.B.(1997) . Three Dimensional modeling of 900MHz and 2.44GHz Radio propagation in Corridors. IEEE Trans. Veh. Technol, Vol.46, No.2.