{"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\/it\/blog\/novosti-interneta\/vypusk-otkrytogo-4g-steka-srslte-19-09","title":{"rendered":"Rilascio del stack 4G open source 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\">Si \u00e8 svolto<\/a><\/noindex> rilascio del progetto <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/srsLTE\/\">srsLTE 19.09<\/a><\/noindex>, sviluppando uno stack aperto per il dispiegamento di componenti di reti cellulari LTE\/4G senza necessit\u00e0 di attrezzature speciali, utilizzando solo ricevitori e trasmettitori programmabili universali, la forma del segnale e la modulazione delle quali sono definite a livello software (SDR, Software Defined Radio). Codice del progetto <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/srsLTE\/srsLTE\">\u00e8 distribuito<\/a><\/noindex> sotto licenza AGPLv3.<\/p>\n<p>SrsLTE <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=48923\">include<\/a><\/noindex> implementazione di LTE UE (User Equipment, componenti client per la connessione degli abbonati alla rete LTE), stazione base LTE (eNodeB, E-UTRAN Node B), nonch\u00e9 elementi della rete di supporto LTE (MME \u2014 Mobility Management Entity per l'interazione con le stazioni base, HSS \u2014 Home Subscriber Server per l'archiviazione del database degli abbonati e delle informazioni sui servizi associati agli abbonati, SGW \u2014 Serving Gateway per l'elaborazione e il routing dei pacchetti per le stazioni base, PGW \u2014 Packet Data Network Gateway per il collegamento dell'abbonato a reti esterne. <\/p>\n<p>Nella nuova versione:<\/p>\n<ul>\n<li class=\"l\"> Per i livelli LTE MAC, RLC e PDCP \u00e8 stata implementata il supporto iniziale per la tecnologia di accesso radio <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/5G_NR\">NR<\/a><\/noindex> (New Radio), sviluppata per reti mobili 5G;\n<li class=\"l\"> Nell'implementazione dello standard <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/NB_IoT\">NB-IoT<\/a><\/noindex> (Narrowband Internet of Things), utilizzato per connettere dispositivi autonomi di internet delle cose a una rete mobile, \u00e8 stato aggiunto codice per la sincronizzazione;\n<li class=\"l\"> Aggiunta il supporto per gli algoritmi crittografici  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.semanticscholar.org\/paper\/The-New-LTE-Cryptographic-Algorithms-EEA3-and-EIA3-Orhanou-Elhajji\/601127d28c86cc45377ad3902a35ff1de7016e6c\">EIA3 e EEA3<\/a><\/noindex>, basati sul cifrario a flusso ZUC;\n<li class=\"l\"> Nel srsENB (realizzazione della stazione base) \u00e8 stato introdotto il supporto per la tecnologia <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), che consente di passare a 3G durante una chiamata vocale se la rete LTE supporta solo la modalit\u00e0 di trasmissione dei dati;\n<li class=\"l\"> Aggiunto un livello per l'esecuzione di test TTCN-3 per verificare la conformit\u00e0 agli standard dei componenti utilizzati per connettere l'utente alla rete LTE;\n<li class=\"l\"> Nella simulazione dei canali \u00e8 stata aggiunta una nuova modalit\u00e0 di simulazione delle comunicazioni nei treni ad alta velocit\u00e0;\n<li class=\"l\"> Eliminati i modi di funzionamento bloccanti nei livelli RRC e NAS.\n<\/ul>\n<p>Funzionalit\u00e0 principali:\n<\/p>\n<ul>\n<li class=\"l\"> Il sistema pu\u00f2 funzionare con qualsiasi trasmettitore-ricevitore programmabile supportato da driver Ettus UHD (Universal Hardware Driver) e bladeRF, in grado di operare con una larghezza di banda di 30.72 MHz. Il funzionamento di srsLTE \u00e8 stato testato con schede USRP B210, USRP B205mini, USRP X300, limeSDR e bladeRF;\n<\/li>\n<li class=\"l\"> Decodificatore ad alta velocit\u00e0 ottimizzato, che utilizza le istruzioni Intel SSE4.1\/AVX2 per raggiungere prestazioni superiori a 100 Mbit\/s su hardware comune. Implementazione standard del decodificatore in linguaggio C, che fornisce prestazioni di 25 Mbit\/s;\n<\/li>\n<li class=\"l\"> Completamente compatibile con la versione 8 dello standard LTE e supporto parziale di alcune funzionalit\u00e0 della versione 9;\n<\/li>\n<li class=\"l\"> Disponibilit\u00e0 di una configurazione per operare in modalit\u00e0 di divisione delle frequenze (FDD);\n<\/li>\n<li class=\"l\"> Bande di frequenza testate: 1.4, 3, 5, 10, 15 e 20 MHz;\n<\/li>\n<li class=\"l\"> Supporto per le modalit\u00e0 di trasmissione 1 (antenna singola), 2 (diversit\u00e0 di trasmissione), 3 (CCD) e 4 (moltiplexing spaziale a ciclo chiuso);\n<\/li>\n<li class=\"l\"> Equalizzatore con supporto per la codifica delle frequenze ZF e MMSE;\n<\/li>\n<li class=\"l\"> Supporto per la creazione di servizi per la consegna di contenuti multimediali in modalit\u00e0 broadcast e multicast;\n<\/li>\n<li class=\"l\"> Possibilit\u00e0 di tenere registri dettagliati con collegamenti ai livelli e dump di debug;\n<\/li>\n<li class=\"l\"> Sistema di cattura dei pacchetti a livello MAC, compatibile con l'analizzatore di rete Wireshark;\n<\/li>\n<li class=\"l\"> Disponibilit\u00e0 di metriche con dati di tracciamento in modalit\u00e0 riga di comando;\n<\/li>\n<li class=\"l\"> File di configurazione dettagliati;\n<\/li>\n<li class=\"l\"> Implementazione dei livelli LTE MAC, RLC, PDCP, RRC, NAS, S1AP e GW.\n<\/li>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <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-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/vypusk-otkrytogo-4g-steka-srslte-19-09\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"it_IT\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0412\u044b\u043f\u0443\u0441\u043a \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0433\u043e 4G-\u0441\u0442\u0435\u043a\u0430 srsLTE 19.09 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\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. 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Il codice del progetto \u00e8 fornito sotto licenza AGPLv3. 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