{"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\/cs\/blog\/news\/vyshel-srsran-4g-23-11-opensource-realizacziya-steka-4g-lte","title":{"rendered":"Bylo vyd\u00e1no srsRAN 4G 23.11 \u2014 OpenSource implementace 4G\/LTE stacku","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Projekt software radio systems Radio Access Network nebo srsRAN se zam\u011b\u0159uje na implementaci stack\u016f 4G\/LTE a 5G. D\u0159\u00edve byl projekt zn\u00e1m jako srsLTE.<\/p>\n<p>Hlavn\u00ed zm\u011bny oproti p\u0159edchoz\u00ed verzi: <\/p>\n<ul>\n<li> Opraveny chyby srsUE souvisej\u00edc\u00ed s \u0161\u00ed\u0159kou 5, 10, 15 a 20 MHz. <\/li>\n<li> P\u0159id\u00e1n nov\u00fd algoritmus pro v\u00fdpo\u010det frekvence. <\/li>\n<li> Aktualizov\u00e1n cmake. <\/li>\n<li> N\u011bkter\u00e1 opraven\u00ed chyb zlep\u0161uj\u00ed stabilitu a v\u00fdkon.<\/li>\n<\/ul>\n<p>Hlavn\u00ed moduly srsRAN 4G:<\/p>\n<ul>\n<li> srsENB (software radio systems eNodeB) \u2013 implementace Evolved UMTS (Universal Mobile Telecommunications System) Terrestrial Radio Access Network NodeB nebo E-UTRAN NodeB nebo jednodu\u0161e eNodeB (eNB). V podstat\u011b se jedn\u00e1 o softwarovou implementaci z\u00e1kladnov\u00e9 stanice 4G\/LTE; <\/li>\n<li> srsUE (software radio systems User Equipment) \u2013 implementace modemu 4G\/LTE, kter\u00fd se m\u016f\u017ee p\u0159ipojit k z\u00e1kladnov\u00e9 stanici eNB; <noindex><\/li>\n<li> srsEPC \u2013 implementace j\u00e1dra s\u00edt\u011b, kter\u00e9 zahrnuje MME (Mobility Management Entity), HSS (Home Subscriber Server), SGW (Serving Gateway) a PGW (PDN (Packet Data Network) Gateway).<\/li>\n<\/ul>\n<p><noindex><\/p>\n<p><a rel=\"nofollow\" href=\"https:\/\/docs.srsran.com\/projects\/4g\/en\/latest\/feature_list.html\">Hlavn\u00ed funkce:<\/a><\/p>\n<p><\/noindex><\/p>\n<ul>\n<li> implementace stacku jak z\u00e1kladnov\u00e9 stanice, tak softwarov\u00e9ho modemu;<\/noindex> <\/li>\n<li> mo\u017enost pr\u00e1ce jak se softwarov\u00fdmi, tak hardwarov\u00fdmi SIM kartami (p\u0159es PC\/SC) pro srsUE; <\/li>\n<li> podpora \u0161\u00ed\u0159ek p\u00e1sma 1.4, 3, 5, 10, 15 a 20 MHz; <\/li>\n<li> podpora AES; <\/li>\n<li> optimalizace pro SSE4.1\/AVX2; <\/li>\n<li> podpora LTE Release 10; <\/li>\n<li> podpora Intra-ENB a Inter-ENB pro eNodeB.<\/li>\n<\/ul>\n<p><noindex><\/p>\n<p>Je t\u0159eba poznamenat, \u017ee srsRAN vyv\u00edj\u00ed a <a rel=\"nofollow\" href=\"https:\/\/github.com\/srsran\/srsRAN_Project\">podporuje O-RAN 5G<\/a>. <\/p>\n<p><\/noindex><\/p>\n<p>Hlavn\u00ed omezen\u00ed<\/p>\n<ul>\n<li> \u017d\u00e1dn\u00e1 podpora VoLTE. (pracovn\u00ed VoLTE lze realizovat pomoc\u00ed t\u0159et\u00edho IMS, nap\u0159\u00edklad Kamailio, kter\u00fd je k dispozici na adrese kamailio.org podle \u010dl\u00e1nku <a rel=\"nofollow\" href=\"https:\/\/open5gs.org\/open5gs\/docs\/tutorial\/02-VoLTE-setup\">https:\/\/open5gs.org\/open5gs\/docs\/tutorial\/02-VoLTE-setup<\/a> a tady je, jak VoLTE funguje <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> Pro 5G je implementov\u00e1na pouze podpora gNodeB (generace uzel n\u00e1sleduj\u00edc\u00ed) jak CU, tak DU\/RU \u2013 tedy z\u00e1kladnov\u00e1 stanice, zat\u00edmco softwarov\u00fd modem nen\u00ed realizov\u00e1n. <\/li>\n<li> Podporov\u00e1no je pouze FR1. <\/li>\n<li> \u017d\u00e1dn\u00e1 podpora 2G a 3G. <\/li>\n<\/ul>\n<p>Na rozd\u00edl od Osmocom CNI, srsRAN se zam\u011b\u0159uje na vytvo\u0159en\u00ed stacku 4G a 5G pro p\u0159enos IP provozu. Z\u00e1rove\u0148 se Osmocom CNI zam\u011b\u0159uje na implementaci 2G a 3G, kter\u00e9 se orientuj\u00ed na p\u0159enosy SMS, USSD a hlasu. Pr\u00e1v\u011b proto m\u016f\u017ee Osmocom CNI p\u0159en\u00e1\u0161et hlasov\u00fd provoz nejen na IP-PBX (IP-ATC) typu Asterisk, ale tak\u00e9 nap\u0159\u00edklad na E1 pomoc\u00ed <a rel=\"nofollow\" href=\"https:\/\/sysmocom.de\/products\/lab\/icE1usb\/index.html\">icE1usb<\/a>. <\/p>\n<p>Zdroj: <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 \u0441\u0442\u0435\u043a\u043e\u0432 4G\/LTE \u0438 5G.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta 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