tokollo ea morero , e hlahisang stack e bulehileng bakeng sa ho kenya likarolo tsa marang-rang a LTE / 4G a marang-rang ntle le lisebelisoa tse khethehileng, ho sebelisa li-transceivers tse hlophisitsoeng feela tsa bokahohle, sebopeho sa pontšo le modulation ea tsona tse behiloeng ke software (SDR, Software Defined Radio). Khoutu ea morero e nang le laesense tlasa AGPLv3.
SrsLTE ts'ebetsong ea LTE UE (Lisebelisoa tsa Basebelisi, likarolo tsa bareki bakeng sa ho hokahanya motho ea ngolisitseng marang-rang a LTE), setsi sa motheo sa LTE (eNodeB, E-UTRAN Node B), hammoho le likarolo tsa marang-rang a mantlha a LTE (MME - Mobility Management Entity for interaction). e nang le liteishene tsa motheo, HSS - Home Subscriber Server bakeng sa ho boloka polokelo ea ba ngolisitseng le tlhahisoleseding e mabapi le litšebeletso tse amanang le ba ngolisitseng, SGW - Serving Gateway bakeng sa ho sebetsa le ho tsamaisa lipakete bakeng sa liteishene tsa motheo, PGW - Packet Data Network Gateway bakeng sa ho hokahanya motho ea ngolisitseng marang-rang a kantle.
Khatisong e ncha:
- Tšehetso ea pele ea theknoloji ea phihlello ea seea-le-moea bakeng sa likarolo tsa LTE MAC, RLC le PDCP (New Radio), e etselitsoeng marang-rang a 5G a mehala;
- Ho phethahatsa maemo (Narrowband Internet of Things), e sebelisetsoang ho hokahanya lisebelisoa tse ikemetseng tsa Inthanete ea Lintho ho marang-rang a selefouno, khoutu ea ho lumellana e kentsoe;
- Tšehetso e ekelitsoeng bakeng sa li-algorithms tsa cryptographic , e thehiloeng ho ZUC stream cipher;
- srsENB (ts'ebetso ea setsi sa motheo) joale e tšehetsa theknoloji (Circuit Switched FallBack), e u lumellang hore u khutlele ho 3G ha u etsa mohala oa lentsoe haeba marang-rang a LTE a tšehetsa mokhoa oa ho fetisa data feela;
- Ho kenyelelitsoe lera ho tsamaisa liteko tsa TTCN-3 ho netefatsa ho latela maemo a likarolo tse sebelisoang ho hokahanya mo ngolisitseng marang-rang a LTE;
- Moetso o mocha oa ho etsisa lipuisano ka literene tse lebelo le holimo o kentsoe mochining oa likanale;
- Likarolo tsa RRC le NAS li lokolotsoe ho thibela mekhoa ea ts'ebetso.
Lintlha tsa bohlokoa:
- Sistimi ena e ka sebetsa le li-transceiver life kapa life tse lokiselitsoeng tse tšehelitsoeng ke Ettus UHD (Universal Hardware Driver) le bakhanni ba bladeRF mme ba khona ho sebetsa ho 30.72 MHz bandwidth. Ts'ebetso ea srsLTE e lekoa ka USRP B210, USRP B205mini, USRP X300, limeSDR le liboto tsa bladeRF;
- Decoder e ntlafalitsoeng ea lebelo le holimo e sebelisa litaelo tsa Intel SSE4.1/AVX2 ho fihlela ts'ebetso e fetang 100 Mbps ho hardware ea thepa. Ts'ebetsong e tloaelehileng ea "decoder" ka puo ea C, e fanang ka ts'ebetso boemong ba 25 Mbit / s;
- Ho lumellana ka botlalo le mofuta oa 8 oa maemo a LTE le tšehetso e sa fellang bakeng sa likarolo tse ling ho tsoa ho mofuta oa 9;
- Ho fumaneha ha tlhophiso bakeng sa ts'ebetso ka mokhoa oa karohano ea maqhubu (FDD);
- Li-bandwidth tse lekiloeng: 1.4, 3, 5, 10, 15 le 20 MHz;
- E ts'ehetsa mekhoa ea phetisetso ea 1 (antenna e le 'ngoe), 2 (ho fetisa mefuta-futa), 3 (CCD) le 4 (e koetsoeng-loop spatial multiplexing);
- Equalizer e nang le ts'ehetso ea ho etsa likhoutu khafetsa ZF le MMSE;
- Ts'ehetso ea ho theha lits'ebeletso tsa ho fana ka litaba tsa multimedia ka mekhoa ea phatlalatso le ea multicast;
- Bokhoni ba ho boloka lits'oants'o tse qaqileng mabapi le maemo le lithōle tsa debugging;
- Sistimi ea ho hapa lipakete tsa boemo ba MAC, e tsamaellanang le analyzer ea marang-rang ea Wireshark;
- Ho fumaneha ha metrics ka trace data ka mokhoa oa taelo ea taelo;
- Lifaele tse qaqileng tsa tlhophiso;
- Ho kenngwa tshebetsong ha LTE MAC, RLC, PDCP, RRC, NAS, S1AP le GW layers.
Source: opennet.ru