The model uses the creeping wave loss along the geodesic paths that connect the ears. This validates the models division of the ear-to-ear propagation into different geodesic paths around the head.ĪB - An ear-to-ear propagation model based on geometrical theory of diffraction is presented. The sweeps change the radiation pattern of the antenna to utilize different paths around the head, but the model still correlates with the simulation. The antenna orientation and frequency sweeps were preformed to further investigate the model. The comparison with simulations show strong correlation. Likewise, the model could be used for other areas of the body. The model is valid at any frequency range as long as the propagation loss through the head is significantly higher than the propagation loss around the head. The model is validated for the industrial, scientific and medical band at 2.45 GHz. The model uses geometrical theory of diffraction expressions for a lossy dielectric material, which is a much better approximation of the human body than the perfect electric conductor approximation often used. It is the first model to investigate which geodesic paths that link the ears. N2 - An ear-to-ear propagation model based on geometrical theory of diffraction is presented. T1 - Ear-to-Ear Propagation Model based on Geometrical Theory of DiffractionĪU - Kammersgaard, Nikolaj Peter Brunvoll This validates the models division of the ear-to-ear propagation into different geodesic paths around the head.",
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This validates the models division of the ear-to-ear propagation into different geodesic paths around the head.Ībstract = "An ear-to-ear propagation model based on geometrical theory of diffraction is presented.
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An ear-to-ear propagation model based on geometrical theory of diffraction is presented.