Diseño de una Antena Patch fabricada con Materiales de Prendas de Vestir: un estudio bajo simulaciones
Palabras clave:
Antena Patch, diseño, parámetros de radiación, textiles, vestibleResumen
En la última década las comunicaciones centradas en el cuerpo humano (body-centric communications) o a su alrededor, han tomado gran relevancia en el campo de las comunicaciones móviles inalámbricas y con una amplia gama de aplicaciones, tales como las aplicaciones médicas, en emergencia y socorro, militares, de geoposicionamiento y ubicación, en la industria de la logística, entre otros. Parte esencial de estas aplicaciones de telecomunicaciones es llevada a cabo por las antenas vestibles (wearable antennas). En este artículo se presenta el diseño de una antena patch vestible, utilizando materiales y accesorios de prendas de vestir. Esta antena fue diseñada para trabajar en la frecuencia de 4.15 GHz, frecuencia utilizada por las bandas de operación de sistemas satelitales (Banda C) y que también están siendo estudiadas para ser implementadas en tecnologías 5G. El patch radiante fue diseñado con un botón metálico que es utilizado como accesorio en los pantalones jeans, y el substrato dieléctrico simulado fue del mismo material textil de jean con una permitividad relativa de 1.6 y espesor de 1.56 mm. Este trabajo presenta resultados de patrón de radiación, ganancia, coeficiente de reflexión y eficiencia bajo análisis numérico con software especializado. Se destacan los buenos resultados de la ganancia, siendo ésta de 8 dBi, y con respecto a la eficiencia, se obtuvo un valor de 76.88 % para esta antena patch vestible propuesta.
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