{"id":112015,"date":"2023-12-06T03:10:29","date_gmt":"2023-12-06T01:10:29","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vyshel-srsran-4g-23-11-opensource-realizacziya-steka-4g-lte"},"modified":"2023-12-06T03:10:29","modified_gmt":"2023-12-06T01:10:29","slug":"vyshel-srsran-4g-23-11-opensource-realizacziya-steka-4g-lte","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vyshel-srsran-4g-23-11-opensource-realizacziya-steka-4g-lte","title":{"rendered":"Lan\u00e7ado o srsRAN 4G 23.11 \u2014 Implementa\u00e7\u00e3o OpenSource do stack 4G\/LTE","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>O projeto software radio systems Radio Access Network ou srsRAN visa a implementa\u00e7\u00e3o dos stacks 4G\/LTE e 5G. Anteriormente, o projeto era conhecido como srsLTE.<\/p>\n<p>As principais mudan\u00e7as em rela\u00e7\u00e3o \u00e0 vers\u00e3o anterior: <\/p>\n<ul>\n<li> Corrigidos erros do srsUE relacionados \u00e0 largura de 5, 10, 15 e 20 MHz. <\/li>\n<li> Adicionado um novo algoritmo para c\u00e1lculo de frequ\u00eancia. <\/li>\n<li> Atualizado o cmake. <\/li>\n<li> Algumas corre\u00e7\u00f5es de bugs melhorando a estabilidade e o desempenho.<\/li>\n<\/ul>\n<p>Principais m\u00f3dulos do srsRAN 4G:<\/p>\n<ul>\n<li> srsENB (software radio systems eNodeB) \u2014 implementa\u00e7\u00e3o do Evolved UMTS (Sistema Universal de Telecomunica\u00e7\u00f5es M\u00f3veis) Terrestrial Radio Access Network NodeB ou E-UTRAN NodeB ou simplesmente eNodeB (eNB). Na ess\u00eancia, \u00e9 a implementa\u00e7\u00e3o de software da esta\u00e7\u00e3o base 4G\/LTE; <\/li>\n<li> srsUE (software radio systems User Equipment) \u2014 implementa\u00e7\u00e3o do modem 4G\/LTE, que pode se conectar \u00e0 esta\u00e7\u00e3o base eNB; <noindex><\/li>\n<li> srsEPC \u2014 implementa\u00e7\u00e3o do n\u00facleo da rede, que inclui MME (Entidade de Gerenciamento de Mobilidade), HSS (Servidor de Assinantes Residenciais), SGW (Gateway de Servi\u00e7o) e PGW (Gateway de Rede de Dados de Pacote).<\/li>\n<\/ul>\n<p><noindex><\/p>\n<p><a rel=\"nofollow\" href=\"https:\/\/docs.srsran.com\/projects\/4g\/en\/latest\/feature_list.html\">Principais funcionalidades:<\/a><\/p>\n<p><\/noindex><\/p>\n<ul>\n<li> implementa\u00e7\u00e3o do stack tanto como esta\u00e7\u00e3o base quanto como modem de software;<\/noindex> <\/li>\n<li> possibilidade de trabalhar com cart\u00f5es SIM tanto de software quanto de hardware (via PC\/SC) para srsUE; <\/li>\n<li> suporte a bandas de 1.4, 3, 5, 10, 15 e 20 MHz; <\/li>\n<li> suporte a AES; <\/li>\n<li> otimiza\u00e7\u00e3o para SSE4.1\/AVX2; <\/li>\n<li> suporte a LTE Release 10; <\/li>\n<li> suporte a Intra-ENB e Inter-ENB para eNodeB.<\/li>\n<\/ul>\n<p><noindex><\/p>\n<p>Vale ressaltar que o srsRAN desenvolve tamb\u00e9m <a rel=\"nofollow\" href=\"https:\/\/github.com\/srsran\/srsRAN_Project\">suporte ao O-RAN 5G<\/a>. <\/p>\n<p><\/noindex><\/p>\n<p>Principais limita\u00e7\u00f5es<\/p>\n<ul>\n<li> N\u00e3o h\u00e1 suporte para VoLTE. (a funcionalidade VoLTE pode ser implementada atrav\u00e9s de um IMS de terceiros, como o Kamailio, que pode ser encontrado em kamailio.org com o artigo <a rel=\"nofollow\" href=\"https:\/\/open5gs.org\/open5gs\/docs\/tutorial\/02-VoLTE-setup\">https:\/\/open5gs.org\/open5gs\/docs\/tutorial\/02-VoLTE-setup<\/a> e assim funciona o VoLTE <a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/watch?v=gBX-ZX_d1uY\">https:\/\/www.youtube.com\/watch?v=gBX-ZX_d1uY<\/a>)  <\/li>\n<li> Para 5G, apenas o suporte ao gNodeB (next generation NodeB) como CU e DU\/RU \u2014 ou seja, a esta\u00e7\u00e3o base, enquanto o modem de software n\u00e3o foi implementado. <\/li>\n<li> Apenas FR1 \u00e9 suportado. <\/li>\n<li> N\u00e3o h\u00e1 suporte para 2G e 3G. <\/li>\n<\/ul>\n<p>Ao contr\u00e1rio do Osmocom CNI, o srsRAN \u00e9 focado na cria\u00e7\u00e3o de um stack 4G e 5G para a transmiss\u00e3o de tr\u00e1fego IP. Enquanto isso, o Osmocom CNI visa a implementa\u00e7\u00e3o de 2G e 3G, que s\u00e3o voltados para a transmiss\u00e3o de SMS, USSD e voz. \u00c9 por isso que o Osmocom CNI pode transmitir tr\u00e1fego de voz n\u00e3o apenas para IP-PBX (PABX IP) tipo Asterisk, mas tamb\u00e9m, por exemplo, para E1 atrav\u00e9s de <a rel=\"nofollow\" href=\"https:\/\/sysmocom.de\/products\/lab\/icE1usb\/index.html\">icE1usb<\/a>. <\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/opensource\/17443128\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u043e\u0435\u043a\u0442 software radio systems Radio Access Network \u0438\u043b\u0438 srsRAN \u043d\u0430\u0446\u0435\u043b\u0435\u043d \u043d\u0430 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0441\u0442\u0435\u043a\u043e\u0432 4G\/LTE \u0438 5G. \u0420\u0430\u043d\u0435\u0435 \u043f\u0440\u043e\u0435\u043a\u0442 \u0438\u0437\u0432\u0435\u0441\u0442\u0435\u043d \u0431\u044b\u043b \u043a\u0430\u043a srsLTE. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043f\u043e \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044e \u0441 \u043f\u0440\u043e\u0448\u043b\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0435\u0439: \u0418\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b \u043e\u0448\u0438\u0431\u043a\u0438 srsUE \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441 \u0448\u0438\u0440\u0438\u043d\u043e\u0439 \u0432 5, 10, 15 \u0438 20 \u041c\u0413\u0446. \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d \u043d\u043e\u0432\u044b\u0439 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c \u0434\u043b\u044f \u0440\u0430\u0441\u0447\u0451\u0442\u0430 \u0447\u0430\u0441\u0442\u043e\u0442\u044b. \u041e\u0431\u043d\u043e\u0432\u043b\u0451\u043d cmake. \u041d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043e\u0448\u0438\u0431\u043e\u043a \u0443\u043b\u0443\u0447\u0448\u0430\u044e\u0449\u0438\u0435 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0441\u0442\u044c [&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-112015","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u043e\u0435\u043a\u0442 software radio systems Radio Access Network \u0438\u043b\u0438 srsRAN \u043d\u0430\u0446\u0435\u043b\u0435\u043d \u043d\u0430 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e 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