{"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\/hu\/blog\/news\/vyshel-srsran-4g-23-11-opensource-realizacziya-steka-4g-lte","title":{"rendered":"Megjelent az srsRAN 4G 23.11 \u2014 Az OpenSource 4G\/LTE stack megval\u00f3s\u00edt\u00e1sa","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A software radio systems Radio Access Network vagy srsRAN projekt c\u00e9lja a 4G\/LTE \u00e9s 5G stackek megval\u00f3s\u00edt\u00e1sa. A projektet kor\u00e1bban srsLTE n\u00e9ven ismert\u00e9k.<\/p>\n<p>F\u0151bb v\u00e1ltoz\u00e1sok az el\u0151z\u0151 verzi\u00f3hoz k\u00e9pest: <\/p>\n<ul>\n<li> Kijav\u00edtott\u00e1k az srsUE hib\u00e1it, amelyek a 5, 10, 15 \u00e9s 20 MHz s\u00e1vsz\u00e9less\u00e9ghez kapcsol\u00f3dtak. <\/li>\n<li> \u00daj algoritmus ker\u00fclt hozz\u00e1ad\u00e1sra a frekvencia kisz\u00e1m\u00edt\u00e1s\u00e1hoz. <\/li>\n<li> Friss\u00fclt a cmake. <\/li>\n<li> N\u00e9h\u00e1ny hiba jav\u00edt\u00e1sa jav\u00edtja a stabilit\u00e1st \u00e9s a teljes\u00edtm\u00e9nyt.<\/li>\n<\/ul>\n<p>srsRAN 4G f\u0151 moduljai:<\/p>\n<ul>\n<li> srsENB (software radio systems eNodeB) \u2013 az Evolved UMTS (Universal Mobile Telecommunications System) Terrestrial Radio Access Network NodeB vagy E-UTRAN NodeB, vagy egyszer\u0171en csak eNodeB (eNB) megval\u00f3s\u00edt\u00e1sa. L\u00e9nyeg\u00e9ben ez a 4G\/LTE b\u00e1zis\u00e1llom\u00e1s szoftveres megval\u00f3s\u00edt\u00e1sa. <\/li>\n<li> srsUE (software radio systems User Equipment) \u2013 a 4G\/LTE modem megval\u00f3s\u00edt\u00e1sa, amely k\u00e9pes kapcsol\u00f3dni az eNB b\u00e1zis\u00e1llom\u00e1shoz. <noindex><\/li>\n<li> srsEPC \u2013 a h\u00e1l\u00f3zat magj\u00e1nak megval\u00f3s\u00edt\u00e1sa, amely tartalmazza az MME (Mobility Management Entity), HSS (Home Subscriber Server), SGW (Serving Gateway) \u00e9s PGW (PDN (Packet Data Network) Gateway) elemeket.<\/li>\n<\/ul>\n<p><noindex><\/p>\n<p><a rel=\"nofollow\" href=\"https:\/\/docs.srsran.com\/projects\/4g\/en\/latest\/feature_list.html\">F\u0151bb funkci\u00f3k:<\/a><\/p>\n<p><\/noindex><\/p>\n<ul>\n<li> b\u00e1zis\u00e1llom\u00e1s \u00e9s szoftver modem stack megval\u00f3s\u00edt\u00e1sa;<\/noindex> <\/li>\n<li> t\u00e1mogatott szoftveres \u00e9s hardveres SIM-k\u00e1rty\u00e1k haszn\u00e1lata (PC\/SC-n kereszt\u00fcl) az srsUE-hez; <\/li>\n<li> t\u00e1mogatott s\u00e1vsz\u00e9less\u00e9gek 1.4, 3, 5, 10, 15 \u00e9s 20 MHz; <\/li>\n<li> AES t\u00e1mogat\u00e1s; <\/li>\n<li> optimaliz\u00e1l\u00e1s SSE4.1\/AVX2-re; <\/li>\n<li> LTE Release 10 t\u00e1mogat\u00e1s; <\/li>\n<li> Intra-ENB \u00e9s Inter-ENB t\u00e1mogat\u00e1s eNodeB-hez.<\/li>\n<\/ul>\n<p><noindex><\/p>\n<p>Fontos megjegyezni, hogy az srsRAN fejleszti \u00e9s <a rel=\"nofollow\" href=\"https:\/\/github.com\/srsran\/srsRAN_Project\">t\u00e1mogatja az O-RAN 5G-t.<\/a>. <\/p>\n<p><\/noindex><\/p>\n<p>F\u0151bb korl\u00e1toz\u00e1sok<\/p>\n<ul>\n<li> Nincs VoLTE t\u00e1mogat\u00e1s. (A VoLTE m\u0171k\u00f6d\u00e9se megval\u00f3s\u00edthat\u00f3 harmadik f\u00e9l IMS seg\u00edts\u00e9g\u00e9vel, p\u00e9ld\u00e1ul a kamailio.org c\u00edmr\u0151l el\u00e9rhet\u0151 Kamailio seg\u00edts\u00e9g\u00e9vel, a cikk alapj\u00e1n <a rel=\"nofollow\" href=\"https:\/\/open5gs.org\/open5gs\/docs\/tutorial\/02-VoLTE-setup\">https:\/\/open5gs.org\/open5gs\/docs\/tutorial\/02-VoLTE-setup<\/a> \u00e9s \u00edgy m\u0171k\u00f6dik a 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> 5G eset\u00e9ben csak a gNodeB (next generation NodeB) CU \u00e9s DU\/RU t\u00e1mogat\u00e1sa val\u00f3sult meg - ez a b\u00e1zis\u00e1llom\u00e1s, de a szoftver modem nem val\u00f3sult meg. <\/li>\n<li> Csak FR1 t\u00e1mogatott. <\/li>\n<li> Nincs 2G \u00e9s 3G t\u00e1mogat\u00e1s. <\/li>\n<\/ul>\n<p>Az Osmocom CNI-vel ellent\u00e9tben az srsRAN c\u00e9lja egy 4G \u00e9s 5G stack l\u00e9trehoz\u00e1sa az IP-forgalom \u00e1tvitel\u00e9hez. Ugyanakkor az Osmocom CNI a 2G \u00e9s 3G megval\u00f3s\u00edt\u00e1s\u00e1ra \u00f6sszpontos\u00edt, amelyek az SMS, USSD \u00e9s hang\u00e1tvitelre \u00f6sszpontos\u00edtanak. Ez\u00e9rt az Osmocom CNI k\u00e9pes hangforgalmat \u00e1tkonvert\u00e1lni nemcsak IP-PBX (IP-ATC) rendszeren, mint p\u00e9ld\u00e1ul az Asterisk, hanem p\u00e9ld\u00e1ul E1-en kereszt\u00fcl is a <a rel=\"nofollow\" href=\"https:\/\/sysmocom.de\/products\/lab\/icE1usb\/index.html\">icE1usb seg\u00edts\u00e9g\u00e9vel.<\/a>. <\/p>\n<p>Forr\u00e1s: <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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