{"id":39175,"date":"2019-10-31T22:28:16","date_gmt":"2019-10-31T19:28:16","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-otkrytogo-4g-steka-srslte-19-09\/"},"modified":"2019-10-31T22:28:16","modified_gmt":"2019-10-31T19:28:16","slug":"vypusk-otkrytogo-4g-steka-srslte-19-09","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/vypusk-otkrytogo-4g-steka-srslte-19-09","title":{"rendered":"Lanzamiento del stack 4G de c\u00f3digo abierto srsLTE 19.09","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/srsLTE\/srsLTE\/releases\/tag\/release_19_09\">Se realiz\u00f3<\/a><\/noindex> lanzamiento del proyecto <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/srsLTE\/\">srsLTE 19.09<\/a><\/noindex>, desarrollando una pila abierta para el despliegue de componentes de redes celulares LTE\/4G sin necesidad de hardware especial, utilizando solo transmisores y receptores programables universales, cuya forma de se\u00f1al y modulaci\u00f3n se definen por software (SDR, Software Defined Radio). C\u00f3digo del proyecto <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/srsLTE\/srsLTE\">se entrega<\/a><\/noindex> bajo la licencia AGPLv3.<\/p>\n<p>SrsLTE <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=48923\">incluye<\/a><\/noindex> la implementaci\u00f3n de LTE UE (Equipo del Usuario, componentes del cliente para conectar al abonado a la red LTE), la estaci\u00f3n base LTE (eNodeB, nodo E-UTRAN B), as\u00ed como los elementos de la red de n\u00facleo LTE (MME \u2014 Entidad de Gesti\u00f3n de Movilidad para la interacci\u00f3n con las estaciones base, HSS \u2014 Servidor de Suscriptores en el Hogar para almacenar la base de abonados e informaci\u00f3n sobre los servicios asociados a los abonados, SGW \u2014 Puerta de Enlace de Servicio para el procesamiento y enrutamiento de paquetes hacia las estaciones base, PGW \u2014 Puerta de Enlace de Red de Paquetes para conectar al abonado a redes externas. <\/p>\n<p>En la nueva versi\u00f3n:<\/p>\n<ul>\n<li class=\"l\"> Para los niveles MAC, RLC y PDCP de LTE, se ha implementado un soporte inicial para la tecnolog\u00eda de acceso radio <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/5G_NR\">NR<\/a><\/noindex> (New Radio), dise\u00f1ada para redes m\u00f3viles 5G;\n<li class=\"l\"> En la implementaci\u00f3n del est\u00e1ndar <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/NB_IoT\">NB-IoT<\/a><\/noindex> (Narrowband Internet of Things), utilizado para conectar dispositivos aut\u00f3nomos de internet de las cosas a la red m\u00f3vil, se a\u00f1adi\u00f3 c\u00f3digo para sincronizaci\u00f3n;\n<li class=\"l\"> Se agreg\u00f3 el soporte para algoritmos criptogr\u00e1ficos  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.semanticscholar.org\/paper\/The-New-LTE-Cryptographic-Algorithms-EEA3-and-EIA3-Orhanou-Elhajji\/601127d28c86cc45377ad3902a35ff1de7016e6c\">EIA3 y EEA3<\/a><\/noindex>, basados en el cifrado de flujo ZUC;\n<li class=\"l\"> En srsENB (implementaci\u00f3n de estaci\u00f3n base) se ha a\u00f1adido soporte para la tecnolog\u00eda <noindex><a rel=\"nofollow\" href=\"https:\/\/medium.com\/long-term-evolution\/lte-to-3g-circuit-switched-fallback-csfb-74dc5a322d53\">CSFB<\/a><\/noindex> (Circuit Switched FallBack), que permite recurrir a 3G durante una llamada de voz si la red LTE solo soporta el modo de transmisi\u00f3n de datos;\n<li class=\"l\"> Se a\u00f1adi\u00f3 una capa para ejecutar pruebas TTCN-3 para verificar la conformidad est\u00e1ndar de los componentes utilizados para conectar a los suscriptores a la red LTE;\n<li class=\"l\"> Se ha a\u00f1adido un nuevo modelo de simulaci\u00f3n de comunicaci\u00f3n en trenes de alta velocidad al simulador de canales;\n<li class=\"l\"> Se eliminaron los modos de operaci\u00f3n bloqueantes en las capas RRC y NAS.\n<\/ul>\n<p>Principales caracter\u00edsticas:\n<\/p>\n<ul>\n<li class=\"l\"> El sistema puede trabajar con cualquier receptor programable compatible con los controladores Ettus UHD (Universal Hardware Driver) y bladeRF, capaces de operar en un ancho de banda de 30.72 MHz. El funcionamiento de srsLTE ha sido probado con las placas USRP B210, USRP B205mini, USRP X300, limeSDR y bladeRF;\n<\/li>\n<li class=\"l\"> Decodificador optimizado de alta velocidad, utilizando instrucciones Intel SSE4.1\/AVX2 para lograr un rendimiento superior a 100 Mbps en hardware est\u00e1ndar. Implementaci\u00f3n est\u00e1ndar del decodificador en lenguaje C, que proporciona un rendimiento de 25 Mbps;\n<\/li>\n<li class=\"l\"> Compatibilidad total con la versi\u00f3n 8 del est\u00e1ndar LTE y soporte parcial para algunas funciones de la versi\u00f3n 9;\n<\/li>\n<li class=\"l\"> Disponibilidad de configuraci\u00f3n para operar en modo de divisi\u00f3n de frecuencia de canales (FDD);\n<\/li>\n<li class=\"l\"> Bandas de ancho de banda probadas: 1.4, 3, 5, 10, 15 y 20 MHz;\n<\/li>\n<li class=\"l\"> Soporte para modos de transmisi\u00f3n 1 (antena \u00fanica), 2 (diversidad de transmisi\u00f3n), 3 (CCD) y 4 (multiplexi\u00f3n espacial de bucle cerrado);\n<\/li>\n<li class=\"l\"> Ecualizador con soporte para codificaci\u00f3n de frecuencia ZF y MMSE;\n<\/li>\n<li class=\"l\"> Soporte para la creaci\u00f3n de servicios de entrega de contenido multimedia en los modos broadcast y multicast;\n<\/li>\n<li class=\"l\"> Posibilidad de mantener registros detallados vinculados a niveles y volcados de depuraci\u00f3n;\n<\/li>\n<li class=\"l\"> Sistema de captura de paquetes a nivel MAC, compatible con el analizador de red Wireshark;\n<\/li>\n<li class=\"l\"> Disponibilidad de m\u00e9tricas con datos de trazado en modo l\u00ednea de comandos;\n<\/li>\n<li class=\"l\"> Archivos de configuraci\u00f3n detallados;\n<\/li>\n<li class=\"l\"> Implementaci\u00f3n de niveles LTE MAC, RLC, PDCP, RRC, NAS, S1AP y GW.\n<\/li>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fuente: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51720\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 srsLTE 19.09, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u0439 \u0441\u0442\u0435\u043a \u0434\u043b\u044f \u0440\u0430\u0437\u0432\u0451\u0440\u0442\u044b\u0432\u0430\u043d\u0438\u044f \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043e\u0432 \u0441\u043e\u0442\u043e\u0432\u044b\u0445 \u0441\u0435\u0442\u0435\u0439 LTE\/4G \u0431\u0435\u0437 \u043d\u0430\u043b\u0438\u0447\u0438\u044f \u0441\u043f\u0435\u0446\u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0430\u043b\u044c\u043d\u044b\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u0443\u0435\u043c\u044b\u0435 \u043f\u0440\u0438\u0435\u043c\u043e\u043f\u0435\u0440\u0435\u0434\u0430\u0442\u0447\u0438\u043a\u0438, \u0444\u043e\u0440\u043c\u0430 \u0441\u0438\u0433\u043d\u0430\u043b\u0430 \u0438 \u043c\u043e\u0434\u0443\u043b\u044f\u0446\u0438\u044f \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0437\u0430\u0434\u0430\u0451\u0442\u0441\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e (SDR, Software Defined Radio). \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 AGPLv3. SrsLTE \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e LTE UE (User Equipment, \u043a\u043b\u0438\u0435\u043d\u0442\u0441\u043a\u0438\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u044b \u0434\u043b\u044f \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0430\u0431\u043e\u043d\u0435\u043d\u0442\u0430 \u043a \u0441\u0435\u0442\u0438 LTE), \u0431\u0430\u0437\u043e\u0432\u043e\u0439 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-39175","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" 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