{"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\/da\/blog\/news\/vyshel-srsran-4g-23-11-opensource-realizacziya-steka-4g-lte","title":{"rendered":"srsRAN 4G 23.11 er udgivet \u2014 OpenSource-implementering af 4G\/LTE-stakken","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Software radio systems Radio Access Network eller srsRAN-projektet sigter mod implementeringen af 4G\/LTE og 5G stacks. Projektet var tidligere kendt som srsLTE.<\/p>\n<p>De v\u00e6sentligste \u00e6ndringer sammenlignet med den tidligere version: <\/p>\n<ul>\n<li> Rettelser af fejl i srsUE relateret til bredderne 5, 10, 15 og 20 MHz. <\/li>\n<li> En ny algoritme til beregning af frekvensen er tilf\u00f8jet. <\/li>\n<li> CMake er opdateret. <\/li>\n<li> Nogle fejlrettelser, der forbedrer stabiliteten og ydeevnen, er blevet implementeret.<\/li>\n<\/ul>\n<p>Hovedmodulerne i srsRAN 4G:<\/p>\n<ul>\n<li> srsENB (software radio systems eNodeB) \u2013 implementeringen af Evolved UMTS (Universal Mobile Telecommunications System) Terrestrial Radio Access Network NodeB eller E-UTRAN NodeB, eller blot eNodeB (eNB). Det er i realiteten en softwareimplementering af en 4G\/LTE basestation; <\/li>\n<li> srsUE (software radio systems User Equipment) \u2013 implementeringen af en 4G\/LTE modem, der kan oprette forbindelse til eNB basestationen; <noindex><\/li>\n<li> srsEPC \u2013 implementeringen af netv\u00e6rkskernen, som omfatter MME (Mobility Management Entity), HSS (Home Subscriber Server), SGW (Serving Gateway) og 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\">Hovedfunktioner:<\/a><\/p>\n<p><\/noindex><\/p>\n<ul>\n<li> implementeringen af b\u00e5de en basestation og en softwaremodem;<\/noindex> <\/li>\n<li> mulighed for at arbejde med b\u00e5de software og hardware SIM-kort (via PC\/SC) for srsUE; <\/li>\n<li> underst\u00f8ttelse af b\u00e5ndbredder p\u00e5 1.4, 3, 5, 10, 15 og 20 MHz; <\/li>\n<li> underst\u00f8ttelse af AES; <\/li>\n<li> optimering til SSE4.1\/AVX2; <\/li>\n<li> underst\u00f8ttelse af LTE Release 10; <\/li>\n<li> underst\u00f8ttelse af Intra-ENB og Inter-ENB for eNodeB.<\/li>\n<\/ul>\n<p><noindex><\/p>\n<p>Det skal bem\u00e6rkes, at srsRAN ogs\u00e5 udvikler <a rel=\"nofollow\" href=\"https:\/\/github.com\/srsran\/srsRAN_Project\">O-RAN 5G underst\u00f8ttelse<\/a>. <\/p>\n<p><\/noindex><\/p>\n<p>De vigtigste begr\u00e6nsninger<\/p>\n<ul>\n<li> Ingen st\u00f8tte til VoLTE. (VoLTE-funktionen kan implementeres ved hj\u00e6lp af tredjeparts IMS, fx Kamailio, som findes p\u00e5 kamailio.org ved hj\u00e6lp af artiklen <a rel=\"nofollow\" href=\"https:\/\/open5gs.org\/open5gs\/docs\/tutorial\/02-VoLTE-setup\">https:\/\/open5gs.org\/open5gs\/docs\/tutorial\/02-VoLTE-setup<\/a> og s\u00e5dan fungerer 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> For 5G er der kun implementeret st\u00f8tte til gNodeB (next generation NodeB) b\u00e5de som CU og DU\/RU \u2013 det vil sige basestationen, men soft-modemet er ikke implementeret. <\/li>\n<li> Kun FR1 underst\u00f8ttes. <\/li>\n<li> Ingen st\u00f8tte til 2G og 3G. <\/li>\n<\/ul>\n<p>I mods\u00e6tning til Osmocom CNI er srsRAN rettet mod oprettelsen af et 4G og 5G stack til transmission af IP-trafik. Samtidig er Osmocom CNI fokuseret p\u00e5 implementeringen af 2G og 3G, som er rettet mod transmission af SMS, USSD og stemme. Derfor kan Osmocom CNI transmittere taletrafik ikke kun til IP-PBX (IP-ATC) som Asterisk, men ogs\u00e5 for eksempel til E1 ved hj\u00e6lp af <a rel=\"nofollow\" href=\"https:\/\/sysmocom.de\/products\/lab\/icE1usb\/index.html\">icE1usb<\/a>. <\/p>\n<p>Kilde: <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 name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link 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