{"id":7281,"date":"2012-06-27T13:03:04","date_gmt":"2012-06-27T12:03:04","guid":{"rendered":"http:\/\/catai.net\/blog\/?p=7281"},"modified":"2012-06-27T13:03:04","modified_gmt":"2012-06-27T12:03:04","slug":"transmision-inalambrica-7-blurays-en-un-segundo","status":"publish","type":"post","link":"https:\/\/catai.net\/blog\/2012\/06\/transmision-inalambrica-7-blurays-en-un-segundo\/","title":{"rendered":"Transmisi\u00f3n inal\u00e1mbrica: 7 BluRays en un segundo"},"content":{"rendered":"<p>Investigadores de la <a href=\"http:\/\/www.usc.edu\/\" target=\"_blank\">SoCal<\/a> (University of Southern California), el\u00a0<a href=\"http:\/\/www.jpl.nasa.gov\/\" target=\"_blank\">JPL de la NASA<\/a> (Jet Propulsion Laboratory) y la\u00a0<a href=\"http:\/\/www.tau.ac.il\/spanish\/\" target=\"_blank\">Universidad de Tel Aviv<\/a>\u00a0han desarrollado un m\u00e9todo de transmisi\u00f3n que puede alcanzar velocidades de 2.5 terabits\/s. Es decir, enviar m\u00e1s de 300 gigabytes \u2014 la informaci\u00f3n de m\u00e1s de 60 DVDs o 7 BluRays\u2014, de manera inal\u00e1mbrica, en un segundo.<\/p>\n<figure id=\"attachment_7284\" aria-describedby=\"caption-attachment-7284\" style=\"width: 214px\" class=\"wp-caption alignright\"><a href=\"https:\/\/catai.net\/blog\/wp-content\/uploads\/2012\/06\/spiral-data.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-7284\" title=\"spiral-data\" src=\"https:\/\/catai.net\/blog\/wp-content\/uploads\/2012\/06\/spiral-data.jpg\" alt=\"8 se\u00f1ales retorcidas creando una espiral\" width=\"214\" height=\"171\" \/><\/a><figcaption id=\"caption-attachment-7284\" class=\"wp-caption-text\">8 se\u00f1ales retorcidas creando una espiral<\/figcaption><\/figure>\n<p>Para conseguir tal hito, los cient\u00edficos han utilizado el concepto de Momento Orbital Angular de luz (OAM) para multiplexar (combinar varias se\u00f1ales en una) 8 se\u00f1ales de 300 Gb\/s en dos grupos de 4.<\/p>\n<p>Explicado en otras palabras, lo que se hace es retorcer el rayo de luz alrededor de un eje en la direcci\u00f3n de transmisi\u00f3n, creando una espiral donde el valor de se\u00f1al en el propio eje es cero, lo cual es conocido como &#8220;v\u00f3rtice \u00f3ptico&#8221;. Haciendo esto se habilita la posibilidad de usar el OAM para transmitir varias se\u00f1ales en una.<\/p>\n<p>Si comparamos la eficiencia espectral, esto eso, cuan eficiente es la transmisi\u00f3n comparando bits enviados por el ancho de banda utilizado, tenemos que se consigue <strong>95,7 bits<\/strong> <strong>por Hz<\/strong>, mientras que LTE consigue <strong>16.32 bits\/Hz<\/strong>; WIFI 802.11n consigue <strong>2.4 bits\/Hz<\/strong>. y la televisi\u00f3n digital (DVB-T) s\u00f3lo <strong>0.55 bits\/Hz.<\/strong><\/p>\n<p>Hasta hace poco tiempo la multiplexaci\u00f3n por OAM era una teor\u00eda hasta que en marzo de este a\u00f1o <a title=\"Enlace\" href=\"http:\/\/www.extremetech.com\/extreme\/120803-vortex-radio-waves-could-boost-wireless-capacity-infinitely\" target=\"_blank\">fue confirmada<\/a> por el Instituto Sueco de F\u00edsica Espacial.<\/p>\n<p><a title=\"Enlace\" href=\"http:\/\/www.extremetech.com\/extreme\/131640-infinite-capacity-wireless-vortex-beams-carry-2-5-terabits-per-second\" target=\"_blank\">M\u00e1s informaci\u00f3n en este enlace<\/a>.<\/p>\n<p><a title=\"Articulo completo\" href=\"http:\/\/www.nature.com\/nphoton\/journal\/vaop\/ncurrent\/full\/nphoton.2012.138.html\" target=\"_blank\">Art\u00edculo en Nature<\/a>.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Investigadores de la SoCal (University of Southern California), el\u00a0JPL de la NASA (Jet Propulsion Laboratory) y la\u00a0Universidad de Tel Aviv\u00a0han desarrollado un m\u00e9todo de transmisi\u00f3n que puede alcanzar velocidades de 2.5 terabits\/s. Es decir, enviar m\u00e1s de 300 gigabytes \u2014 la informaci\u00f3n de m\u00e1s de 60 DVDs o 7 BluRays\u2014, de manera inal\u00e1mbrica, en un [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"give_campaign_id":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1,35],"tags":[],"class_list":["post-7281","post","type-post","status-publish","format-standard","hentry","category-general","category-idi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Transmisi\u00f3n inal\u00e1mbrica: 7 BluRays en un segundo | Telemedicina<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/catai.net\/blog\/2012\/06\/transmision-inalambrica-7-blurays-en-un-segundo\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Transmisi\u00f3n inal\u00e1mbrica: 7 BluRays en un segundo | Telemedicina\" \/>\n<meta property=\"og:description\" content=\"Investigadores de la SoCal (University of Southern California), el\u00a0JPL de la NASA (Jet Propulsion Laboratory) y la\u00a0Universidad de Tel Aviv\u00a0han desarrollado un m\u00e9todo de transmisi\u00f3n que puede alcanzar velocidades de 2.5 terabits\/s. 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