Analysis of Heuristic Uniform Theory of Diffraction Coefficients for Electromagnetic Scattering Prediction
We discuss three sets of heuristic coefficients used in uniform theory of diffraction (UTD) to characterize the electromagnetic scattering in realistic urban scenarios and canonical examples of diffraction by lossy conducting wedges using the three sets of heuristic coefficients and the Malyuzhinets...
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2018-01-01
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| Series: | International Journal of Antennas and Propagation |
| Online Access: | http://dx.doi.org/10.1155/2018/3029152 |
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| author | Diego Tami Cássio G. Rego Dinael Guevara Andrés Navarro Fernando J. S. Moreira Jordi Giménez Hernan G. Triana |
| author_facet | Diego Tami Cássio G. Rego Dinael Guevara Andrés Navarro Fernando J. S. Moreira Jordi Giménez Hernan G. Triana |
| author_sort | Diego Tami |
| collection | DOAJ |
| description | We discuss three sets of heuristic coefficients used in uniform theory of diffraction (UTD) to characterize the electromagnetic scattering in realistic urban scenarios and canonical examples of diffraction by lossy conducting wedges using the three sets of heuristic coefficients and the Malyuzhinets solution as reference model. We compare not only the results of the canonical models but also their implementation in real outdoor scenarios. To predict the coverage of mobile networks, we used propagation models for outdoor environments by using a 3D ray-tracing model based on a brute-force algorithm for ray launching and a propagation model based on image theory. To evaluate each set of coefficients, we analyzed the mean and standard deviation of the absolute error between estimates and measured data in Ottawa, Canada; Valencia, Spain; and Cali, Colombia. Finally, we discuss the path loss prediction for each set of heuristic UTD coefficients in outdoor environment, as well as the comparison with the canonical results. |
| format | Article |
| id | doaj-art-1e420bffbf0e4df2a3bc47ea014eca72 |
| institution | OA Journals |
| issn | 1687-5869 1687-5877 |
| language | English |
| publishDate | 2018-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Antennas and Propagation |
| spelling | doaj-art-1e420bffbf0e4df2a3bc47ea014eca722025-08-20T02:04:44ZengWileyInternational Journal of Antennas and Propagation1687-58691687-58772018-01-01201810.1155/2018/30291523029152Analysis of Heuristic Uniform Theory of Diffraction Coefficients for Electromagnetic Scattering PredictionDiego Tami0Cássio G. Rego1Dinael Guevara2Andrés Navarro3Fernando J. S. Moreira4Jordi Giménez5Hernan G. Triana6Graduate Program in Electrical Engineering, Federal University of Minas Gerais, Belo Horizonte, MG, BrazilGraduate Program in Electrical Engineering, Federal University of Minas Gerais, Belo Horizonte, MG, BrazilFrancisco de Paula Santander University, Cúcuta, ColombiaUniversidad Icesi, Cali, ColombiaGraduate Program in Electrical Engineering, Federal University of Minas Gerais, Belo Horizonte, MG, BrazilUniversitat Politècnica de Valencia, Valencia, SpainUniversidad Icesi, Cali, ColombiaWe discuss three sets of heuristic coefficients used in uniform theory of diffraction (UTD) to characterize the electromagnetic scattering in realistic urban scenarios and canonical examples of diffraction by lossy conducting wedges using the three sets of heuristic coefficients and the Malyuzhinets solution as reference model. We compare not only the results of the canonical models but also their implementation in real outdoor scenarios. To predict the coverage of mobile networks, we used propagation models for outdoor environments by using a 3D ray-tracing model based on a brute-force algorithm for ray launching and a propagation model based on image theory. To evaluate each set of coefficients, we analyzed the mean and standard deviation of the absolute error between estimates and measured data in Ottawa, Canada; Valencia, Spain; and Cali, Colombia. Finally, we discuss the path loss prediction for each set of heuristic UTD coefficients in outdoor environment, as well as the comparison with the canonical results.http://dx.doi.org/10.1155/2018/3029152 |
| spellingShingle | Diego Tami Cássio G. Rego Dinael Guevara Andrés Navarro Fernando J. S. Moreira Jordi Giménez Hernan G. Triana Analysis of Heuristic Uniform Theory of Diffraction Coefficients for Electromagnetic Scattering Prediction International Journal of Antennas and Propagation |
| title | Analysis of Heuristic Uniform Theory of Diffraction Coefficients for Electromagnetic Scattering Prediction |
| title_full | Analysis of Heuristic Uniform Theory of Diffraction Coefficients for Electromagnetic Scattering Prediction |
| title_fullStr | Analysis of Heuristic Uniform Theory of Diffraction Coefficients for Electromagnetic Scattering Prediction |
| title_full_unstemmed | Analysis of Heuristic Uniform Theory of Diffraction Coefficients for Electromagnetic Scattering Prediction |
| title_short | Analysis of Heuristic Uniform Theory of Diffraction Coefficients for Electromagnetic Scattering Prediction |
| title_sort | analysis of heuristic uniform theory of diffraction coefficients for electromagnetic scattering prediction |
| url | http://dx.doi.org/10.1155/2018/3029152 |
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