{"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\/fr\/blog\/news\/vypusk-otkrytogo-4g-steka-srslte-19-03","title":{"rendered":"Sortie de la pile 4G open 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\">A eu lieu<\/a><\/noindex> version du projet <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/srsLTE\/\">srsLTE 19.03<\/a><\/noindex>, d\u00e9veloppant une pile ouverte pour le d\u00e9ploiement de composants de r\u00e9seaux cellulaires LTE\/4G sans \u00e9quipement sp\u00e9cial, utilisant uniquement des \u00e9metteurs-r\u00e9cepteurs programmables universels, dont la forme du signal et la modulation sont d\u00e9finies par logiciel (SDR, Software Defined Radio). Code du projet <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/srsLTE\/srsLTE\">est fourni<\/a><\/noindex> sont sous licence AGPLv3.<\/p>\n<p>SrsLTE <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=48923\">inclut<\/a><\/noindex> la mise en \u0153uvre de l'UE LTE (User Equipment, composants clients pour connecter les abonn\u00e9s au r\u00e9seau LTE), de la station de base LTE (eNodeB, E-UTRAN Node B), ainsi que des \u00e9l\u00e9ments du r\u00e9seau central LTE (MME \u2014 Mobility Management Entity pour l'interaction avec les stations de base, HSS \u2014 Home Subscriber Server pour le stockage de la base de donn\u00e9es des abonn\u00e9s et des informations sur les services associ\u00e9s aux abonn\u00e9s, SGW \u2014 Serving Gateway pour le traitement et le routage des paquets pour les stations de base, PGW \u2014 Packet Data Network Gateway pour connecter l'abonn\u00e9 aux r\u00e9seaux externes. <\/p>\n<p>Dans la nouvelle version :<\/p>\n<ul>\n<li class=\"l\"> La biblioth\u00e8que pour la mise en \u0153uvre de la couche physique de la pile (<noindex>PHY<\/noindex>);\n<li class=\"l\"> Dans srsUE (LTE UE, \u00e9quipement utilisateur, composants c\u00f4t\u00e9 utilisateur n\u00e9cessaires pour connecter l'abonn\u00e9 au r\u00e9seau LTE) le support du format <noindex><a rel=\"nofollow\" href=\"http:\/\/www.gtigroup.org\/faqs\/lte\/2013-11-04\/18.html\">TDD<\/a><\/noindex>  (Time Division Duplex) a \u00e9t\u00e9 ajout\u00e9 en plus du format de r\u00e9partition de fr\u00e9quences dans le canal FDD (Frequency Division Duplex) pr\u00e9c\u00e9demment support\u00e9 et plus courant;\n<li class=\"l\"> Dans srsUE, le support de la technique d'agr\u00e9gation de canaux de fr\u00e9quence (<noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Carrier_aggregation\">Carrier Aggregation<\/a><\/noindex>) a \u00e9t\u00e9 ajout\u00e9 pour augmenter la capacit\u00e9 jusqu'\u00e0 l'utilisateur final;\n<li class=\"l\"> Dans srsENB (mise en \u0153uvre de la station de base) et srsEPC (composants du r\u00e9seau principal) le support des messages de diffusion <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Cellular_network#Broadcast_messages_and_paging\">Paging<\/a><\/noindex>, g\u00e9n\u00e9ralement utilis\u00e9s pour \u00e9tablir un canal de communication direct entre l'abonn\u00e9 et la station de base;\n<li class=\"l\"> Dans srsENB, le support du cryptage du trafic de l'abonn\u00e9 (cryptage de plan utilisateur) a \u00e9t\u00e9 ajout\u00e9. Le support du trafic de signalisation (cryptage de plan NAS) avait \u00e9t\u00e9 mis en \u0153uvre auparavant;\n<li class=\"l\"> Un simulateur de canaux pour les canaux 3GPP EPA, EVA et ETU a \u00e9t\u00e9 r\u00e9alis\u00e9;\n<li class=\"l\"> Un pilote RF virtuel bas\u00e9 sur ZeroMQ a \u00e9t\u00e9 mis en \u0153uvre, permettant la transmission de signaux I\/Q sur IPC\/r\u00e9seau.\n<\/ul>\n<\/p>\n<p>Fonctionnalit\u00e9s principales :\n<\/p>\n<ul>\n<li class=\"l\"> Le syst\u00e8me peut fonctionner avec tous les \u00e9metteurs-r\u00e9cepteurs programmables pris en charge par les pilotes Ettus UHD (Universal Hardware Driver) et bladeRF, capables de fonctionner avec une largeur de bande de 30,72 MHz. Le fonctionnement de srsLTE a \u00e9t\u00e9 test\u00e9 avec des cartes USRP B210, USRP B205mini, USRP X300, limeSDR et bladeRF;\n<\/li>\n<li class=\"l\"> D\u00e9codeur optimis\u00e9 \u00e0 haute vitesse utilisant les instructions Intel SSE4.1\/AVX2 pour atteindre une performance de plus de 100 Mbit\/s sur du mat\u00e9riel standard. Impl\u00e9mentation standard du d\u00e9codeur en langage C, garantissant une performance de 25 Mbit\/s.\n<\/li>\n<li class=\"l\"> Compatibilit\u00e9 totale avec la version 8 de la norme LTE et prise en charge partielle de certaines fonctionnalit\u00e9s de la version 9.\n<\/li>\n<li class=\"l\"> Configuration disponible pour le fonctionnement en mode de s\u00e9paration de fr\u00e9quence des canaux (FDD).\n<\/li>\n<li class=\"l\"> Bandes de fr\u00e9quence test\u00e9es : 1.4, 3, 5, 10, 15 et 20 MHz.\n<\/li>\n<li class=\"l\"> Prise en charge des modes de transmission 1 (antenne unique), 2 (diversit\u00e9 de transmission), 3 (CCD) et 4 (multiplexage spatial en boucle ferm\u00e9e).\n<\/li>\n<li class=\"l\"> \u00c9galiseur supportant le codage fr\u00e9quentiel ZF et MMSE.\n<\/li>\n<li class=\"l\"> Support pour la cr\u00e9ation de services de diffusion de contenu multim\u00e9dia en mode broadcast et multicast.\n<\/li>\n<li class=\"l\"> Possibilit\u00e9 de tenir des logs d\u00e9taill\u00e9s avec attache aux niveaux et dumps de d\u00e9bogage.\n<\/li>\n<li class=\"l\"> Syst\u00e8me de capture de paquets au niveau MAC, compatible avec l'analyseur r\u00e9seau Wireshark.\n<\/li>\n<li class=\"l\"> Disponibilit\u00e9 de m\u00e9triques avec des donn\u00e9es de tra\u00e7age en mode ligne de commande.\n<\/li>\n<li class=\"l\"> Fichiers de configuration d\u00e9taill\u00e9s.\n<\/li>\n<li class=\"l\"> Impl\u00e9mentation des niveaux LTE MAC, RLC, PDCP, RRC, NAS, S1AP et GW.\n<\/li>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Source : <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 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" 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