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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Channel modeling for through-the-earth (TTE) communication systems

Carreno, Josua Daniel Pena 19 February 2016 (has links)
Dissertação (mestrado)—Universidade de Brasília, Faculdade de Tecnologia, Departamento de Engenharia Elétrica, 2016. / Submitted by Fernanda Percia França (fernandafranca@bce.unb.br) on 2016-03-22T17:01:54Z No. of bitstreams: 1 2016_JosuaDanielPenaCarreno.pdf: 10327694 bytes, checksum: 8a74661645607108b0f1ee270305f201 (MD5) / Approved for entry into archive by Marília Freitas(marilia@bce.unb.br) on 2016-05-04T12:33:40Z (GMT) No. of bitstreams: 1 2016_JosuaDanielPenaCarreno.pdf: 10327694 bytes, checksum: 8a74661645607108b0f1ee270305f201 (MD5) / Made available in DSpace on 2016-05-04T12:33:40Z (GMT). No. of bitstreams: 1 2016_JosuaDanielPenaCarreno.pdf: 10327694 bytes, checksum: 8a74661645607108b0f1ee270305f201 (MD5) / Este trabalho apresenta modelagem de canal em ambientes de comunicação TTE a partir de modelos analíticos estabelecidos, medidas e simulações eletromagnéticas. Para estes cenários, apresenta-se como contribuição original os resultados estatísticos tanto para a condutividade elétrica efetiva quanto para a atenuação sofrida pelo campo magnético durante a propagação. Os resultados de simulação obtidos aqui, além de confirmarem o comportamento do canal empírico, extrapolam para frequências não estudadas via ferramentas estatísticas. / This dissertation presents channel modeling in TTE communication environments from well-established analytic models, measurements and electromagnetic simulations. For those scenarios, the main original contribution are the statistical results for the effective electric conductivity as well as the attenuation experimented by magnetic field while propagating Through-The-Earth. The simulation results present here, in addition to confirming the behavior of empirical models, extrapolate to frequencies not studied via statistical tools.

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