{"id":83337,"date":"2000-11-02T00:00:00","date_gmt":"2000-11-02T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/optical-frenquency-monitor-for-management-of-optical-transport-networks\/"},"modified":"2000-11-02T00:00:00","modified_gmt":"2000-11-02T00:00:00","slug":"optical-frenquency-monitor-for-management-of-optical-transport-networks","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-tecnologicas\/optical-frenquency-monitor-for-management-of-optical-transport-networks\/","title":{"rendered":"Optical frenquency monitor for management of optical transport networks"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Abdelhafid Amrani <\/strong><\/h2>\n<p>Mientras el tr\u00e1fico internacional de comunicaciones de voz esta aumentando de manera modesta, el tr\u00e1fico en internet esta creciendo de manera exponencial. para satisfacer la necesidad creciente de m\u00e1s ancho de banda, el uso de redes \u00f3pticas transparentes con multiplexaci\u00f3n en frecuencia presentan la mejor esperanza ya que permiten aumentar dr\u00e1sticamente la capacidad de las redes de telecomunicaciones de hoy en d\u00eda.  sin embargo, las redes \u00f3pticas transparentes necesitan el desarrollo de nuevas estrategias para su gesti\u00f3n. En efecto en este tipo de redes, los nodos \u00f3pticos desconocen los atributos de la informaci\u00f3n de las se\u00f1ales \u00f3pticas. Por lo tanto, problemas de gesti\u00f3n de fallos, de prestaciones y de configuraci\u00f3n, aparecen en redes \u00f3pticas transparentes. Adem\u00e1s, la inestabilidad en frecuencia de las portadoras \u00f3pticas acent\u00faan el problema del \u00abcrosstalk\u00bb que se acumula con el uso de componentes \u00abtodo-\u00f3pticos\u00bb.  este trabajo propone una nueva t\u00e9cnica para controlar y gestionar las frecuencias de los canales \u00f3pticos. El sistema porpuesto (que llamamos ofm: optical frequency monitor) es conveniente para redes \u00f3pticas transparentes y presenta una interfaz directo con una se\u00f1al de frecuencia de referencia, para estabilizar las portadoras \u00f3pticas. Adem\u00e1s, el sistema puede detectar fallos directamente en la capa \u00f3ptica de gesti\u00f3n, sin tner que recurrir a las capas el\u00e9ctricas superiores. Tambi\u00e9n utilizando el ofm, proponemos y describimos un proceso de mantenimiento \u00fatil para redes \u00f3pticas. Considerando la literatura especializada en estos temas, hemos notado que, hasta ahora, casi ninguna atenci\u00f3n fue dada para integrar un sistema de control de frecuencias dentro de un equipo global para vigilar diferentes fallos que pueden ocurrir en una red \u00f3ptica transparente. Esta situaci\u00f3n nos ha motivado tambi\u00e9n para dise\u00f1ar un sistema (que llamamos eoss: enhanced optical signal supervisor) que incluye adem\u00e1s de un<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Optical frenquency monitor for management of optical transport networks<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Optical frenquency monitor for management of optical transport networks <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Abdelhafid Amrani <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de catalunya<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 11\/02\/2000<\/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>Gabriel Junyent Giralt<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Mar\u00eda jos\u00e9 Soneira ferrando <\/li>\n<li>Jos\u00e9 Campany francoy (vocal)<\/li>\n<li>Miguel angel Muriel fernandez (vocal)<\/li>\n<li>Manuel Lopez-amo sainz (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Abdelhafid Amrani Mientras el tr\u00e1fico internacional de comunicaciones de voz esta aumentando de manera modesta, el tr\u00e1fico [&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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