{"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\/sv\/blog\/news\/vyshel-srsran-4g-23-11-opensource-realizacziya-steka-4g-lte","title":{"rendered":"srsRAN 4G 23.11 har sl\u00e4ppts \u2013 en OpenSource-implementering av 4G\/LTE-stacket.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Projektet software radio systems Radio Access Network eller srsRAN syftar till att implementera stackar f\u00f6r 4G\/LTE och 5G. Tidigare var projektet k\u00e4nt som srsLTE.<\/p>\n<p>Huvudsakliga f\u00f6r\u00e4ndringar j\u00e4mf\u00f6rt med den tidigare versionen: <\/p>\n<ul>\n<li> Felen i srsUE relaterade till 5, 10, 15 och 20 MHz har \u00e5tg\u00e4rdats. <\/li>\n<li> En ny algoritm f\u00f6r frekvensber\u00e4kning har lagts till. <\/li>\n<li> CMake har uppdaterats. <\/li>\n<li> Vissa buggfixar som f\u00f6rb\u00e4ttrar stabilitet och prestanda har gjorts.<\/li>\n<\/ul>\n<p>Huvudmoduler i srsRAN 4G:<\/p>\n<ul>\n<li> srsENB (software radio systems eNodeB) \u2014 implementering av Evolved UMTS (Universal Mobile Telecommunications System) Terrestrial Radio Access Network NodeB eller E-UTRAN NodeB eller helt enkelt eNodeB (eNB). I grunden \u00e4r detta en programvaruimplementation av en 4G\/LTE basstation; <\/li>\n<li> srsUE (software radio systems User Equipment) \u2014 implementering av en 4G\/LTE modem som kan ansluta till en eNB basstation; <noindex><\/li>\n<li> srsEPC \u2014 implementering av n\u00e4tverksk\u00e4rnan som inkluderar MME (Mobility Management Entity), HSS (Home Subscriber Server), SGW (Serving Gateway) och 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\">Key features:<\/a><\/p>\n<p><\/noindex><\/p>\n<ul>\n<li> implementering av stacken b\u00e5de som en basstation och som en programvarumodem;<\/noindex> <\/li>\n<li> m\u00f6jlighet att arbeta med b\u00e5de programvaru- och h\u00e5rdvaru-SIM-kort (genom PC\/SC) f\u00f6r srsUE; <\/li>\n<li> st\u00f6d f\u00f6r bandbredder p\u00e5 1.4, 3, 5, 10, 15 och 20 MHz; <\/li>\n<li> st\u00f6d f\u00f6r AES; <\/li>\n<li> optimering f\u00f6r SSE4.1\/AVX2; <\/li>\n<li> st\u00f6d f\u00f6r LTE Release 10; <\/li>\n<li> st\u00f6d f\u00f6r Intra-ENB och Inter-ENB f\u00f6r eNodeB.<\/li>\n<\/ul>\n<p><noindex><\/p>\n<p>Det \u00e4r v\u00e4rt att notera att srsRAN \u00e4ven utvecklar <a rel=\"nofollow\" href=\"https:\/\/github.com\/srsran\/srsRAN_Project\">st\u00f6d f\u00f6r O-RAN 5G.<\/a>. <\/p>\n<p><\/noindex><\/p>\n<p>Huvudsakliga begr\u00e4nsningar<\/p>\n<ul>\n<li> Ingen st\u00f6d f\u00f6r VoLTE. (VoLTE-funktionalitet kan realiseras genom en tredjeparts IMS, till exempel Kamailio, som finns p\u00e5 kamailio.org med hj\u00e4lp av artikeln <a rel=\"nofollow\" href=\"https:\/\/open5gs.org\/open5gs\/docs\/tutorial\/02-VoLTE-setup\">https:\/\/open5gs.org\/open5gs\/docs\/tutorial\/02-VoLTE-setup<\/a> och s\u00e5 h\u00e4r fungerar 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> F\u00f6r 5G har endast st\u00f6d f\u00f6r gNodeB (next generation NodeB) b\u00e5de som CU och DU\/RU \u2014 det vill s\u00e4ga basstationen, men mjukmodemet \u00e4r inte implementerat. <\/li>\n<li> Endast FR1 st\u00f6ds. <\/li>\n<li> Ingen st\u00f6d f\u00f6r 2G och 3G. <\/li>\n<\/ul>\n<p>Till skillnad fr\u00e5n Osmocom CNI, syftar srsRAN till att skapa en 4G och 5G stack f\u00f6r \u00f6verf\u00f6ring av IP-trafik. Samtidigt syftar Osmocom CNI till att implementera 2G och 3G som \u00e4r inriktade p\u00e5 att \u00f6verf\u00f6ra SMS, USSD och r\u00f6st. Det \u00e4r d\u00e4rf\u00f6r Osmocom CNI kan \u00f6verf\u00f6ra r\u00f6sttrafik inte bara till IP-PBX (IP-ATC) av typen Asterisk utan \u00e4ven exempelvis till E1 med hj\u00e4lp av <a rel=\"nofollow\" href=\"https:\/\/sysmocom.de\/products\/lab\/icE1usb\/index.html\">icE1usb.<\/a>. <\/p>\n<p>K\u00e4lla: <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 5.0.4 - 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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