{"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\/hu\/blog\/news\/vypusk-otkrytogo-4g-steka-srslte-19-03","title":{"rendered":"A ny\u00edlt 4G-s stack srsLTE 19.03 kiad\u00e1sa","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\">Megval\u00f3sult<\/a><\/noindex> a projekt kiad\u00e1s\u00e1t <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/srsLTE\/\">srsLTE 19.03<\/a><\/noindex>, egy ny\u00edlt stack fejleszt\u00e9s\u00e9hez, amely lehet\u0151v\u00e9 teszi LTE\/4G mobilh\u00e1l\u00f3zati komponensek telep\u00edt\u00e9s\u00e9t speci\u00e1lis berendez\u00e9sek n\u00e9lk\u00fcl, csup\u00e1n \u00e1ltal\u00e1nos programozhat\u00f3 ad\u00f3-vev\u0151egys\u00e9geket haszn\u00e1lva, melynek jele \u00e9s modul\u00e1ci\u00f3ja programozhat\u00f3 m\u00f3don van meghat\u00e1rozva (SDR, Software Defined Radio). A projekt k\u00f3dja <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/srsLTE\/srsLTE\">sz\u00e1ll\u00edtva van<\/a><\/noindex> AGPLv3 licenc alatt \u00e1ll.<\/p>\n<p>SrsLTE <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=48923\">tartalmaz<\/a><\/noindex> az LTE UE (Felhaszn\u00e1l\u00f3i Eszk\u00f6z, az el\u0151fizet\u0151k LTE h\u00e1l\u00f3zathoz val\u00f3 csatlakoz\u00e1s\u00e1hoz sz\u00fcks\u00e9ges klienskomponensek), LTE alap\u00e1llom\u00e1s (eNodeB, E-UTRAN Node B), valamint az LTE gerinch\u00e1l\u00f3zat elemei (MME \u2014 Mobilit\u00e1skezel\u0151 Egys\u00e9g, amely az alap\u00e1llom\u00e1sokkal val\u00f3 kommunik\u00e1ci\u00f3t biztos\u00edtja, HSS \u2014 Hazai El\u0151fizet\u0151i Szerver, amely az el\u0151fizet\u0151k adatb\u00e1zis\u00e1t \u00e9s az el\u0151fizet\u0151kh\u00f6z kapcsol\u00f3d\u00f3 szolg\u00e1ltat\u00e1sokat t\u00e1rolja, SGW \u2014 Szolg\u00e1ltat\u00f3 \u00c1tj\u00e1r\u00f3, amely az alap\u00e1llom\u00e1sok sz\u00e1m\u00e1ra csomagok feldolgoz\u00e1s\u00e1t \u00e9s ir\u00e1ny\u00edt\u00e1s\u00e1t v\u00e9gzi, PGW \u2014 Csomagadat-h\u00e1l\u00f3zati \u00c1tj\u00e1r\u00f3, amely az el\u0151fizet\u0151k k\u00fcls\u0151 h\u00e1l\u00f3zatokhoz val\u00f3 csatlakoz\u00e1s\u00e1t biztos\u00edtja. <\/p>\n<p>Az \u00faj verzi\u00f3ban:<\/p>\n<ul>\n<li class=\"l\"> A fizikai r\u00e9teg megval\u00f3s\u00edt\u00e1s\u00e1hoz k\u00e9sz\u00fclt k\u00f6nyvt\u00e1r \u00fajra\u00edr\u00e1sa (<noindex>PHY<\/noindex>);\n<li class=\"l\"> Az srsUE (LTE UE, felhaszn\u00e1l\u00f3i berendez\u00e9s, a felhaszn\u00e1l\u00f3 h\u00e1l\u00f3zathoz val\u00f3 csatlakoz\u00e1s\u00e1hoz sz\u00fcks\u00e9ges komponensek) t\u00e1mogatja a <noindex><a rel=\"nofollow\" href=\"http:\/\/www.gtigroup.org\/faqs\/lte\/2013-11-04\/18.html\">TDD<\/a><\/noindex>  (Id\u0151oszt\u00e1sos duplex) form\u00e1tumot, a kor\u00e1bban t\u00e1mogatott \u00e9s elterjedtebb frekvencias\u00e1v\u00fa eloszt\u00e1si form\u00e1tum, az FDD (Frekvenciaoszt\u00e1sos duplex) mellett;\n<li class=\"l\"> Az srsUE t\u00e1mogatja a frekvenciatartom\u00e1nyok \u00f6sszevon\u00e1s\u00e1nak technik\u00e1j\u00e1t (<noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Carrier_aggregation\">Carrier Aggregation<\/a><\/noindex>) a v\u00e9gfelhaszn\u00e1l\u00f3hoz val\u00f3 s\u00e1vsz\u00e9less\u00e9g n\u00f6vel\u00e9s\u00e9re;\n<li class=\"l\"> Az srsENB (b\u00e1zis\u00e1llom\u00e1s megval\u00f3s\u00edt\u00e1sa) \u00e9s az srsEPC (t\u00e1mogat\u00f3 h\u00e1l\u00f3zati komponensek) t\u00e1mogatja a sz\u00e9lesk\u00f6r\u0171 <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Cellular_network#Broadcast_messages_and_paging\">Paging-\u00fczeneteket<\/a><\/noindex>, amelyeket \u00e1ltal\u00e1ban arra haszn\u00e1lnak, hogy k\u00f6zvetlen kommunik\u00e1ci\u00f3s csatorn\u00e1t \u00e1llap\u00edtsanak meg a felhaszn\u00e1l\u00f3 \u00e9s a b\u00e1zis\u00e1llom\u00e1s k\u00f6z\u00f6tt;\n<li class=\"l\"> Az srsENB t\u00e1mogatja a felhaszn\u00e1l\u00f3i forgalom titkos\u00edt\u00e1s\u00e1t (User-plane encryption). A jelz\u00e9si forgalom (NAS-plane encryption) titkos\u00edt\u00e1s\u00e1t kor\u00e1bban megval\u00f3s\u00edtott\u00e1k;\n<li class=\"l\"> Csatornaszimul\u00e1tor ker\u00fclt megval\u00f3s\u00edt\u00e1sra a 3GPP EPA, EVA \u00e9s ETU csatorn\u00e1khoz;\n<li class=\"l\"> A ZeroMQ alapjain egy virtu\u00e1lis RF-illeszt\u0151 j\u00f6tt l\u00e9tre, amely I\/Q jelek tov\u00e1bb\u00edt\u00e1s\u00e1t biztos\u00edt IPC\/h\u00e1l\u00f3zaton.\n<\/ul>\n<\/p>\n<p>F\u0151bb funkci\u00f3k:\n<\/p>\n<ul>\n<li class=\"l\"> A rendszer b\u00e1rmilyen programozhat\u00f3 ad\u00f3-vev\u0151egys\u00e9ggel m\u0171k\u00f6dhet, amelyet az Ettus UHD (Universal Hardware Driver) \u00e9s bladeRF meghajt\u00f3ik t\u00e1mogatnak, \u00e9s amelyek k\u00e9pesek 30,72 MHz s\u00e1vsz\u00e9less\u00e9ggel m\u0171k\u00f6dni. Az srsLTE m\u0171k\u00f6d\u00e9s\u00e9t USRP B210, USRP B205mini, USRP X300, limeSDR \u00e9s bladeRF t\u00e1bl\u00e1kon tesztelt\u00e9k;\n<\/li>\n<li class=\"l\"> Magas sebess\u00e9g\u0171, optimaliz\u00e1lt dek\u00f3der, amely Intel SSE4.1\/AVX2 utas\u00edt\u00e1sokat haszn\u00e1l, hogy norm\u00e1l hardveren t\u00f6bb mint 100 Mbit\/s sebess\u00e9get \u00e9rjen el. A dek\u00f3der szabv\u00e1nyos megval\u00f3s\u00edt\u00e1sa C nyelven biztos\u00edtja a 25 Mbit\/s szint\u0171 teljes\u00edtm\u00e9nyt.\n<\/li>\n<li class=\"l\"> Teljes kompatibilit\u00e1s a LTE 8-as verzi\u00f3j\u00e1val \u00e9s r\u00e9szleges t\u00e1mogat\u00e1s n\u00e9h\u00e1ny lehet\u0151s\u00e9ggel a 9-es verzi\u00f3b\u00f3l;\n<\/li>\n<li class=\"l\"> Konfigur\u00e1ci\u00f3 el\u00e9rhet\u0151s\u00e9ge a frekvencia-megoszt\u00e1sos \u00fczemm\u00f3dhoz (FDD);\n<\/li>\n<li class=\"l\"> Tesztelt s\u00e1vsz\u00e9less\u00e9gek: 1.4, 3, 5, 10, 15 \u00e9s 20 MHz;\n<\/li>\n<li class=\"l\"> T\u00e1mogat\u00e1s a 1 (egyes antenna), 2 (\u00e1tviteli sokf\u00e9les\u00e9g), 3 (CCD) \u00e9s 4 (z\u00e1rt hurk\u00fa t\u00e9rbeli multiplexel\u00e9s) \u00e1tviteli m\u00f3dok sz\u00e1m\u00e1ra;\n<\/li>\n<li class=\"l\"> Equalizer ZF \u00e9s MMSE frekvenciak\u00f3dol\u00e1ssal;\n<\/li>\n<li class=\"l\"> T\u00e1mogat\u00e1s ny\u00fajt\u00e1sa multim\u00e9di\u00e1s tartalom broadcast \u00e9s multicast \u00fczemm\u00f3dban val\u00f3 k\u00e9zbes\u00edt\u00e9s\u00e9hez;\n<\/li>\n<li class=\"l\"> R\u00e9szletes napl\u00f3z\u00e1s lehet\u0151s\u00e9ge szintekhez \u00e9s hibakeres\u00e9si dumpokkal;\n<\/li>\n<li class=\"l\"> MAC szint\u0171 csomagok megfog\u00e1si rendszere, amely kompatibilis a Wireshark h\u00e1l\u00f3zati elemz\u0151vel;\n<\/li>\n<li class=\"l\"> El\u00e9rhet\u0151 metrik\u00e1k parancssoros nyomk\u00f6vet\u00e9ssel;\n<\/li>\n<li class=\"l\"> R\u00e9szletes konfigur\u00e1ci\u00f3s f\u00e1jlok;\n<\/li>\n<li class=\"l\"> Az LTE MAC, RLC, PDCP, RRC, NAS, S1AP \u00e9s GW szintek megval\u00f3s\u00edt\u00e1sa.\n<\/li>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Forr\u00e1s: <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-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" 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