{"id":16543,"date":"2018-03-09T09:04:12","date_gmt":"2018-03-09T09:04:12","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-y-simulacion-del-interfaz-radio-del-sistema-tetra-a-nivel-de-enlace\/"},"modified":"2018-03-09T09:04:12","modified_gmt":"2018-03-09T09:04:12","slug":"estudio-y-simulacion-del-interfaz-radio-del-sistema-tetra-a-nivel-de-enlace","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-tecnologicas\/estudio-y-simulacion-del-interfaz-radio-del-sistema-tetra-a-nivel-de-enlace\/","title":{"rendered":"Estudio y simulaci\u00f3n del interfaz radio del sistema tetra a nivel de enlace"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Rodr\u00edguez Asc\u00e1riz Jos\u00e9 Manuel <\/strong><\/h2>\n<p>El trabajo desarrollado en esta tesis se centra en el reciente sistema de comunicaciones m\u00f3viles tetra (terrestrial trunked radio). M\u00e1s concretamente, se aborda la parte correspondiente al enlace radio entre una estaci\u00f3n de base y una estaci\u00f3n m\u00f3vil en el modo de operaci\u00f3n v+d (voz y datos). Se estudia la problem\u00e1tica inherente al canal de radio m\u00f3vil (propagaci\u00f3n multitrayecto, desplazamiento doppler, etc.) En el marco de las especificaciones tetra y todo el procesado de se\u00f1al llevado a cabo en los niveles f\u00edsico y subnivel mac (medium access control) del nivel de enlace seg\u00fan el est\u00e1ndar tetra.  a continuaci\u00f3n se propone un modelo de simulaci\u00f3n del enlace radio del sistema tetra (en modo de operaci\u00f3n v+d) entre una estaci\u00f3n m\u00f3vil y una estaci\u00f3n de base incluyendo hasta el subnivel mac.  el modelo de simulaci\u00f3n propuesto es implementado \u00edntegramente por software, utilizando una elevada precisi\u00f3n en los algoritmos de procesado de se\u00f1al de forma que se pueda obtener una aproximaci\u00f3n lo m\u00e1s cercana posible al sistema real. En la implementaci\u00f3n se recurre al modelo complejo paso bajo equivalente del sistema paso banda constituido por el enlace radio tetra que se sit\u00faa en la banda de uhf.  haciendo uso del simulador implementado se obtiene las caracter\u00edsticas de todos los canales l\u00f3gicos (tr\u00e1fico y control) definidos en el nivel mac en el est\u00e1ndar tetra, para todos los posibles escenarios de propagaci\u00f3n (entorno  rural, urbano y monta\u00f1oso). Tambi\u00e9n se monitorizan y obtienen las caracter\u00edsticas de las diferentes se\u00f1ales presentes en las diferentes etapas de la simulaci\u00f3n del sistema.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio y simulaci\u00f3n del interfaz radio del sistema tetra a nivel de enlace<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio y simulaci\u00f3n del interfaz radio del sistema tetra a nivel de enlace <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Rodr\u00edguez Asc\u00e1riz Jos\u00e9 Manuel <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 22\/04\/2002<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li> Montero Del Pino Manuel<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: guillermo Herranz acero <\/li>\n<li>Fernando P\u00e9rez  font\u00e1n (vocal)<\/li>\n<li>Jos\u00e9 Mar\u00eda Hernando rabanos (vocal)<\/li>\n<li>angel Bravo santos (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Rodr\u00edguez Asc\u00e1riz Jos\u00e9 Manuel El trabajo desarrollado en esta tesis se centra en el reciente sistema de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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