{"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\/et\/blog\/news\/vypusk-otkrytogo-4g-steka-srslte-19-03","title":{"rendered":"Ava 4G-stack srsLTE 19.03","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\">Toimus<\/a><\/noindex> projekti v\u00e4ljalaskmine <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/srsLTE\/\">srsLTE 19.03<\/a><\/noindex>, arendades avatud virna, et juurutada LTE\/4G mobiiliv\u00f5rgustiku komponente ilma spetsiaalse varustuseta, kasutades ainult universaalseid programmeeritavaid saatmise-vastuv\u00f5tmisseadmeid, mille signaalivorm ja modulaator on programmeeritavad (SDR, Software Defined Radio). Projekti kood <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/srsLTE\/srsLTE\">toimetatakse<\/a><\/noindex> on AGPLv3 litsentsi all.<\/p>\n<p>SrsLTE <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=48923\">RFC 9218: Ulatuslik Prioriteetimise Skeem HTTP jaoks<\/a><\/noindex> LTE UE (User Equipment, kliendikomponendid abonendi \u00fchendamiseks LTE-v\u00f5rku), LTE baasjaam (eNodeB, E-UTRAN Node B) ning LTE peav\u00f5rgu elemendid (MME \u2014 liikuvuse haldamise element, et suhelda baasjaamadega, HSS \u2014 kodu tellija server abonentide andmebaasi ja abonentidega seotud teenuste teabe salvestamiseks, SGW \u2014 teenuse v\u00e4rav pakettide t\u00f6\u00f6tlemiseks ja marsruutimiseks baasjaamadele ning PGW \u2014 pakettandmete v\u00f5rgu v\u00e4rav, et \u00fchendada abonent v\u00e4listesse v\u00f5rkudesse. <\/p>\n<p>Uues versioonis:<\/p>\n<ul>\n<li class=\"l\"> \u00dcmber t\u00f6\u00f6tatud teek f\u00fc\u00fcsilise taseme virna rakendamiseks (<noindex>PHY<\/noindex>);\n<li class=\"l\"> srsUE-s (LTE UE, User Equipment, kasutaja poole komponent, mis on vajalik tellija \u00fchendamiseks LTE-v\u00f5rguga) on lisatud toetust vormingule <noindex><a rel=\"nofollow\" href=\"http:\/\/www.gtigroup.org\/faqs\/lte\/2013-11-04\/18.html\">TDD<\/a><\/noindex>  (Time Division Duplex) lisaks varasemalt toetatud ja laialdasemalt levinud sageduskanali jaotamise vormingule FDD (Frequency Division Duplex);\n<li class=\"l\"> srsUE-s on lisatud toetus sageduskanalite \u00fchendamise tehnikale (<noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Carrier_aggregation\">Carrier Aggregation<\/a><\/noindex>) l\u00f5ppkasutajale edastusv\u00f5ime suurendamiseks;\n<li class=\"l\"> srsENB-s (baasjaama rakendus) ja srsEPC-s (p\u00f5hiv\u00f5rgu komponendid) on lisatud toetust levitve <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Cellular_network#Broadcast_messages_and_paging\">Paging-s\u00f5numitele<\/a><\/noindex>, mis tavaliselt kasutatakse tellijas \u00f5hukanalite seadistamiseks baasjaama;\n<li class=\"l\"> srsENB-s on lisatud toetust tellija liikluse kr\u00fcptimisele (User-plane encryption). Signalisatsiooni liikluse (NAS-plane encryption) toetust rakendati varem;\n<li class=\"l\"> Kanalite simulatsioon 3GPP kanalite EPA, EVA ja ETU jaoks on rakendatud;\n<li class=\"l\"> ZeroMQ baasil on loodud virtuaalne RF-draiver, mis tagab I\/Q signaalide edastamise IPC\/v\u00f5rgu kaudu.\n<\/ul>\n<\/p>\n<p>P\u00f5hifunktsioonid:\n<\/p>\n<ul>\n<li class=\"l\"> S\u00fcsteem suudab t\u00f6\u00f6tada mis tahes programmeeritavate saatmise-vastuv\u00f5tmisseadmetega, mida toetavad Ettus UHD (Universal Hardware Driver) ja bladeRF draiverid ning mis suudavad t\u00f6\u00f6tada 30.72 MHz ribalaiusega. srsLTE t\u00f6\u00f6 on testitud USRP B210, USRP B205mini, USRP X300, limeSDR ja bladeRF kaartidega;\n<\/li>\n<li class=\"l\"> K\u00f5rge kiirus ja optimeeritud dekooder, mis kasutab Intel SSE4.1\/AVX2 k\u00e4ske, et saavutada \u00fcle 100 Mbit\/s tavalistes seadmetes. Standardne C-keeles dekooder, mis tagab 25 Mbit\/s j\u00f5udluse;\n<\/li>\n<li class=\"l\"> T\u00e4ielik \u00fchilduvus LTE 8. versiooniga ja osaline toetus 9. versiooni m\u00f5nedele funktsioonidele;\n<\/li>\n<li class=\"l\"> Konfiguratsiooni olemasolu kanali sagedusjaotuse (FDD) re\u017eiimis;\n<\/li>\n<li class=\"l\"> Testitud l\u00e4bilaskvused: 1.4, 3, 5, 10, 15 ja 20 MHz;\n<\/li>\n<li class=\"l\"> Toetab edastusre\u017eiime 1 (\u00fche antenniga), 2 (edastusdiversiteet), 3 (CCD) ja 4 (suletud silmuse ruumiline kodeerimine);\n<\/li>\n<li class=\"l\"> Ekvalaiser toe ZF ja MMSE sageduskoodimisel;\n<\/li>\n<li class=\"l\"> Toetab teenuste loomist multimeedia sisu edastamiseks broadcasting ja multicast re\u017eiimides;\n<\/li>\n<li class=\"l\"> Detailsete logide pidamise v\u00f5imalus koos tasemete ja t\u00f5rkedumpide seostamisega;\n<\/li>\n<li class=\"l\"> MAC-taset pakettide salvestamise s\u00fcsteem, mis on \u00fchilduv v\u00f5rguanal\u00fcsaatoriga Wireshark;\n<\/li>\n<li class=\"l\"> Saadaval on meetrikad j\u00e4lgimise andmetega k\u00e4surea re\u017eiimis;\n<\/li>\n<li class=\"l\"> Detailitud konfiguratsioonifailid;\n<\/li>\n<li class=\"l\"> LTE MAC, RLC, PDCP, RRC, NAS, S1AP ja GW tasemete teostamine.\n<\/li>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Allikas: <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 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" 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