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Radio bearing of sources with directional antennas in urban environment

Published online by Cambridge University Press:  21 May 2018

Cezary Ziółkowski Open the ORCID record for Cezary Ziółkowski [Opens in a new window]  and
Jan M. Kelner Open the ORCID record for Jan M. Kelner [Opens in a new window]
Cezary Ziółkowski
Affiliation:
Institute of Telecommunications, Faculty of Electronics, Military University of Technology, Gen. Witold Urbanowicz St. No. 2, 00-908 Warsaw, Poland
Jan M. Kelner*
Affiliation:
Institute of Telecommunications, Faculty of Electronics, Military University of Technology, Gen. Witold Urbanowicz St. No. 2, 00-908 Warsaw, Poland
*
Author for correspondence: Jan M. Kelner, E-mail: jan.kelner@wat.edu.pl
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Abstract

This paper focuses on assessing the limitations in the direction-finding process of radio sources with directional antennas in an urbanized environment, demonstrating how signal source antenna parameters, such as beamwidth and maximum radiation direction affect bearing accuracy in non-line-of-sight conditions. These evaluations are based on simulation studies, which use measurement-tested signal processing procedures. These procedures are based on a multi-elliptical propagation model, the geometry of which is related to the environment by the power delay profile or spectrum. The probability density function of the angle of arrival for different parameters of the transmitting antenna is the simulation result. This characteristic allows assessing the effect of the signal source antenna parameters on bearing error. The obtained results are the basis for practical correction bearing error and these show the possibility of improving the efficiency of the radio source location in the urbanized environment.

Keywords

Angle spreadbearing errordirection findingmodelingpower antenna patternpropagation environment typeradio bearingreception angle dispersionscatteringsimulation
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 10 , Special Issue 7: Electronic Warfare , September 2018 , pp. 759 - 771
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2018 

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