{"id":33603,"date":"2019-10-31T21:53:42","date_gmt":"2019-10-31T18:53:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-otkrytogo-4g-steka-srslte-19-03\/"},"modified":"2019-10-31T21:53:42","modified_gmt":"2019-10-31T18:53:42","slug":"vypusk-otkrytogo-4g-steka-srslte-19-03","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/vypusk-otkrytogo-4g-steka-srslte-19-03","title":{"rendered":"Rilascio della pila open source 4G srsLTE 19.03","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/srsLTE\/srsLTE\/releases\/tag\/release_19_03\">Si \u00e8 svolto<\/a><\/noindex> rilascio del progetto <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/srsLTE\/\">srsLTE 19.03<\/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\"> Ripristinata la libreria con l'implementazione del livello fisico della pila (<noindex>PHY<\/noindex>);\n<li class=\"l\"> In srsUE (LTE UE, User Equipment, componenti sul lato utente necessari per collegare l'utente alla rete LTE) \u00e8 stata aggiunta la supporto per il formato <noindex><a rel=\"nofollow\" href=\"http:\/\/www.gtigroup.org\/faqs\/lte\/2013-11-04\/18.html\">TDD<\/a><\/noindex>  (Time Division Duplex), oltre al formato di distribuzione delle frequenze pi\u00f9 comune e precedentemente supportato FDD (Frequency Division Duplex);\n<li class=\"l\"> In srsUE \u00e8 stata aggiunta la supporto per la tecnica di aggregazione dei canali (<noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Carrier_aggregation\">Carrier Aggregation<\/a><\/noindex>) per aumentare la capacit\u00e0 verso l'utente finale;\n<li class=\"l\"> In srsENB (implementazione della stazione base) e srsEPC (componenti della rete di supporto) \u00e8 stata aggiunta la supporto per messaggi di <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Cellular_network#Broadcast_messages_and_paging\">Paging<\/a><\/noindex>, solitamente utilizzati per stabilire un canale di comunicazione diretto tra l'utente e la stazione base;\n<li class=\"l\"> In srsENB \u00e8 stata aggiunta la supporto per la crittografia del traffico dell'utente (User-plane encryption). La supporto per il traffico di segnalazione (NAS-plane encryption) \u00e8 stata implementata in precedenza;\n<li class=\"l\"> \u00c8 stato implementato un simulatore di canali per i canali 3GPP EPA, EVA e ETU;\n<li class=\"l\"> Basato su ZeroMQ, \u00e8 stato realizzato un driver RF virtuale che fornisce la trasmissione di segnali I\/Q sopra IPC\/rete.\n<\/ul>\n<\/p>\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=50680\">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 19.03, \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-33603","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 19.03, \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-19-03\" \/>\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 19.03 | 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 19.03, \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 distribuito con licenza AGPLv3. 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