{"id":41997,"date":"2020-07-07T14:51:48","date_gmt":"2020-07-07T12:51:48","guid":{"rendered":"https:\/\/www.iemn.fr\/?p=41997"},"modified":"2020-07-08T09:27:07","modified_gmt":"2020-07-08T07:27:07","slug":"emulation-des-communications-radio-dans-les-transports-ferroviaires","status":"publish","type":"post","link":"https:\/\/www.iemn.fr\/en\/newsletter\/emulation-des-communications-radio-dans-les-transports-ferroviaires.html","title":{"rendered":"Emulation des communications radio dans les transports ferroviaires"},"content":{"rendered":"<div id='layer_slider_1'  class='avia-layerslider main_color avia-shadow  avia-builder-el-0  el_before_av_one_full  avia-builder-el-first  container_wrap sidebar_right'  style='height: 261px;'  ><div id=\"layerslider_27_127td4y4ygnsm\" data-ls-slug=\"homepageslider\" class=\"ls-wp-container fitvidsignore ls-selectable\" style=\"width:1140px;height:260px;margin:0 auto;margin-bottom: 0px;\"><div class=\"ls-slide\" 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l'IEMN<\/ls-layer><\/div><\/div><\/div><div id='after_layer_slider_1'  class='main_color av_default_container_wrap container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-41997'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-u9305p-dbf828112a5f93f87778f563ad3655a2\">\n.flex_column.av-u9305p-dbf828112a5f93f87778f563ad3655a2{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-u9305p-dbf828112a5f93f87778f563ad3655a2 av_one_full  avia-builder-el-1  el_after_av_layerslider  avia-builder-el-no-sibling  first flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-kcbxl3qd-24a5e574402e8611c553fb38b57f3d72'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><blockquote>\n<h5>EMULATION DES TECHNOLOGIES D\u2019ACCES RADIO POUR LES COMMUNICATIONS FERROVIAIRES<\/h5>\n<p>EMULRADIO4RAIL vise \u00e0 fournir une plate-forme innovante pour les tests et la validation de diff\u00e9rentes technologies d\u2019acc\u00e8s radio (Wi-Fi, GSM-R, LTE, LTE-A, 5G et satellites). Il combine des simulations du r\u00e9seau c\u0153ur et l\u2019\u00e9mulation de diverses technologies d\u2019acc\u00e8s radio gr\u00e2ce au couplage de simulateurs d\u2019\u00e9v\u00e9nements discrets tels que RIVERBED Modeler (anciennement OPNET Modeler), d\u2019\u00e9mulateur r\u00e9seau bas\u00e9 sur OAI[i] et divers \u00e9mulateurs de canaux radio.<br \/>\nEMULRADIO4RAIL combinera des tests \u00ab dans la boucle \u00bb (System In The Loop) incluant du mat\u00e9riel (Hardware In The Loop) afin de pouvoir coupler le v\u00e9ritable \u00e9quipement d\u2019acc\u00e8s radio (ou des prototypes), les \u00e9mulateurs radio (des syst\u00e8mes physiques repr\u00e9sentant les v\u00e9ritables conditions de communication) et les simulateurs capables d\u2019imiter le r\u00e9seau ferroviaire et les d\u00e9placements des trains.<\/p>\n<\/blockquote>\n<p><a href=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2020\/07\/image9-copie.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-42000\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2020\/07\/image9-copie-300x149.png\" alt=\"\" width=\"385\" height=\"210\" \/><\/a>L\u2019IEMN d\u00e9veloppe l\u2019un des deux \u00e9mulateurs de canaux consid\u00e9r\u00e9s dans ce projet. Il utilise un g\u00e9n\u00e9rateur de bande de base commercial et un \u00e9mulateur de canal PXB N5106A de Keysight Technologies. Le PXB est un \u00e9mulateur en bande de base, et pour pouvoir travailler avec des signaux radiofr\u00e9quence (RF), le PXB a besoin d\u2019un d\u00e9modulateur RF (par exemple PXA) \u00e0 son entr\u00e9e et d\u2019un modulateur RF (par exemple PSG, ESG, MXG) \u00e0 sa sortie. Sa largeur de bande d\u2019entr\u00e9e et de sortie peut aller jusqu\u2019\u00e0 160 MHz et peut simuler un grand type de canaux pr\u00e9d\u00e9finis (GSM, 802.16, WLAN, etc.) ou personnalis\u00e9s, y compris les communications LTE pour les trains \u00e0 grande vitesse (vitesse des v\u00e9hicules jusqu\u2019\u00e0 864 km\/h). Il supporte les syst\u00e8mes MIMO[ii] (jusqu\u2019\u00e0 4\u00d74) et prend en compte la corr\u00e9lation des antennes. Diff\u00e9rents sc\u00e9narios de communication et d\u2019environnement sont \u00e9tudi\u00e9s, couvrant les modes d\u00e9grad\u00e9s, les pannes, les sc\u00e9narios de surcharge du r\u00e9seau, les interf\u00e9rences et autres perturbations qui se produisent dans l\u2019environnement ferroviaire ou qui peuvent \u00eatre attendues \u00e0 l\u2019avenir. Un accent particulier sera propos\u00e9 sur les interf\u00e9rences, en tenant compte des interf\u00e9rences intentionnelles.<a href=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2020\/07\/image10-copie.png\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-42002 alignright\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2020\/07\/image10-copie-300x151.png\" alt=\"\" width=\"300\" height=\"151\" srcset=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2020\/07\/image10-copie-300x151.png 300w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2020\/07\/image10-copie-705x355.png 705w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2020\/07\/image10-copie.png 756w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Le projet EMULRADIO4RAIL entre dans la cadre de l\u2019appel H2020-S2RJU-OC-2018 du programme europ\u00e9en pour la recherche et le d\u00e9veloppement. Il fournit des moyens innovants d&rsquo;am\u00e9liorer les strat\u00e9gies de tests de R&amp;D et devrait permettre de r\u00e9duire consid\u00e9rablement la complexit\u00e9 et les co\u00fbts des tests et de la validation des prototypes\u00a0; l\u2019environnement ferroviaire est difficile pour les communications radio et la connectivit\u00e9 permanente \u00e0 tr\u00e8s haute vitesse un d\u00e9fi de la 5G. EMULRADIO4RAIL permettra la mise au point de solutions efficaces \u00e0 moindre co\u00fbt.<\/p>\n<hr \/>\n<p><em>Berbineau, M., Moreno, J., Kharbech, S., Yan, Y., Vizzari, A., Torrego, R., Soler, J., Clavier, L., Kassi, R., Mazzenga, F., Giuliano, R., I\u00f1aki, V., Gransart, C., Deniau, V., Cocheril, Y., &amp; Svensson, K. \u201cEmulation of various radio access technologies for zero on site testing in the railway domain \u2013 The Emulradio4rail platforms.\u201d In Proceedings of 8th Transport Research Arena TRA 2020<\/em><\/p>\n<p><em>Moreno, J., Kharbech, S., Clavier, L., Kassi, R., Torrego, Arriola, I\u00f1aki, V., Berbineau, M., Soler, J., Yan, Y., \u201cEmulation of end-to-end communications systems in railway scenarios: physical layer results, 14<sup>th<\/sup> European Conference in Antennas and Propagation, EUCAP 2020<\/em><\/p>\n<p>[i] Open Air Interface. Propose des logiciels et du mat\u00e9riel open source pour \u00e9muler le r\u00e9seau c\u0153ur, le r\u00e9seau d\u2019acc\u00e8s et l\u2019\u00e9quipement utilisateur des r\u00e9seaux cellulaires 3GPP, incluant la 4G et la 5G.<br \/>\n[ii] Multiple-input multiple-output.<\/p>\n<\/div><\/section><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[297],"tags":[],"class_list":["post-41997","post","type-post","status-publish","format-standard","hentry","category-newsletter"],"_links":{"self":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/posts\/41997","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/comments?post=41997"}],"version-history":[{"count":0,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/posts\/41997\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/media?parent=41997"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/categories?post=41997"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/tags?post=41997"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}