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      Radio-Wave Propagation Model for UHF Band in Different Climatic Conditions with Dyadic Green’s Function

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          Abstract

          AbstractThis article proposes a deterministic radio propagation model using dyadic Green's function to predict the value of the electric field. Dyadic is offered as an efficient mathematical tool which has symbolic simplicity and robustness, as well as taking account of the anisotropy of the medium. The proposed model is an important contribution for the UHF band because it considers climatic conditions by changing the constants of the medium. Most models and recommendations that include an approach for climatic conditions, are designed for satellite links, mainly Ku and Ka bands. The results obtained by simulation are compared and validated with data from a Digital Television Station measurement campaigns conducted in the Belém city in Amazon region during two seasons. The proposed model was able to provide satisfactory results by differentiating between the curves for dry and wet soil and these corroborate the measured data, (the RMS errors are between 2-5 dB in the case under study).

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          Most cited references23

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          On radio-wave propagation in forest environments

          T. Tamir (1967)
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            Propagation data andprediction methods required for the design of earth-space telecommunication systems

            (2009)
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              Characteristics of Precipitation for Propagation Modelling

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                jmoea
                Journal of Microwaves, Optoelectronics and Electromagnetic Applications
                J. Microw. Optoelectron. Electromagn. Appl.
                Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo (São Caetano do Sul )
                2179-1074
                June 2015
                : 14
                : 1
                : 60-72
                Affiliations
                [1 ] Universidade Federal do Pará Brazil
                [2 ] Universidade Federal do Pará Brazil
                Article
                S2179-10742015000100060
                10.1590/2179-10742015v14i1427
                f9e36207-ac63-4bb7-ac64-141866b8c9f6

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=2179-1074&lng=en
                Categories
                ENGINEERING, ELECTRICAL & ELECTRONIC
                OPTICS

                Optical materials & Optics,Electrical engineering
                Climatic Conditions,Digital Television,Dyadic Green's functions,Propagation Model

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