{"id":63046,"date":"2020-03-04T18:00:03","date_gmt":"2020-03-04T18:00:03","guid":{"rendered":"https:\/\/\/solution-de-test-complete-pour-repondre-aux-exigences-de-la-norme-ieee-802-11ax\/"},"modified":"2020-03-04T18:00:03","modified_gmt":"2020-03-04T18:00:03","slug":"solution-de-test-complete-pour-repondre-aux-exigences-de-la-norme-ieee-802-11ax","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/solution-de-test-complete-pour-repondre-aux-exigences-de-la-norme-ieee-802-11ax\/","title":{"rendered":"Solution de test compl\u00e8te pour r\u00e9pondre aux exigences de la norme IEEE 802.11ax"},"content":{"rendered":"<p>Plusieurs utilisateurs peuvent ainsi partager simultan\u00e9ment la largeur de bande disponible. Cette technologie \u00e9largit consid\u00e9rablement la port\u00e9e des tests de certification des dispositifs Wi-Fi 6 et oblige les d\u00e9veloppeurs de syst\u00e8mes de communication WLAN \u00e0 relever de nouveaux d\u00e9fis.<\/p>\n<p><strong>Solution de test compacte pour les modes mono et multi-utilisateurs<\/strong><br \/>\nLe testeur de connectivit\u00e9 sans fil R&amp;S CMW270 associ\u00e9 \u00e0 l&rsquo;option de test de signalisation WLAN 11ax rendent d\u00e9sormais possible les tests de pr\u00e9correction OFDMA conform\u00e9ment aux sp\u00e9cifications Wi-Fi CERTIFIED 6 d\u00e9finies par la Wi-Fi Alliance. Gr\u00e2ce \u00e0 la pile protocole WLAN d\u00e9velopp\u00e9e par Rohde &amp; Schwarz et aux interfaces de r\u00e9glages d\u00e9di\u00e9es, les utilisateurs peuvent r\u00e9aliser tr\u00e8s rapidement ces tests complexes avec un seul instrument.<br \/>\nLes tests en conditions r\u00e9alistes, portent sur l&rsquo;exploitation de l\u2019OFDMA en mode classique mono-utilisateur et multi-utilisateurs aussi bien en mode station qu\u2019en mode points d&rsquo;acc\u00e8s WLAN en mono et multi-antennes (SISO\/MIMO). La solution analyse la sensibilit\u00e9 du r\u00e9cepteur, mesure les caract\u00e9ristiques RF de l&rsquo;\u00e9metteur telles que la puissance, le spectre et la modulation. Elle d\u00e9termine \u00e9galement les d\u00e9bits de donn\u00e9es atteignables en \u00e9mission et en r\u00e9ception.<\/p>\n<p><strong>Mesures de transmission \u00e0 d\u00e9bits de donn\u00e9es MCS fixes<\/strong><br \/>\nRohde &amp; Schwarz fait \u00e9voluer en permanence ses solutions de test et y int\u00e8gre de nouvelles fonctionnalit\u00e9s innovantes, comme la possibilit\u00e9 de limiter les mesures de transmission des dispositifs WLAN conform\u00e9ment \u00e0 la norme IEEE 802.11ac\/ax aux d\u00e9bits de donn\u00e9es du sch\u00e9ma de codage de modulation (MCS) d\u00e9fini par l&rsquo;utilisateur. Ce qui constitue une puissante fonctionnalit\u00e9 pour les tests de certification ainsi que pour le d\u00e9veloppement et le test de la qualit\u00e9 des \u00e9metteurs WLAN.&nbsp;Le testeur R&amp;S CMW270 est adapt\u00e9 aux tests selon les normes IEEE 802.11a\/b\/g\/n\/ac\/ax WLAN. Il permet par exemple \u00e9galement le test, simultan\u00e9ment et de fa\u00e7on exhaustive, des appareils Bluetooth.<\/p>\n<p>\n<a href=\"http:\/\/www.rohde-schwarz.com\/_250903\">www.rohde-schwarz.com\/_25090<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La plus importante innovation de la technologie de transmission WLAN selon la norme IEEE 802.11ax (Wi-Fi 6) est son exploitation de la technique de multiplexage et de codage des donn\u00e9es OFDMA (orthogonal frequency-division multiple access). Cette technologie d&rsquo;acc\u00e8s multiple par r\u00e9partition orthogonale de la fr\u00e9quence est une variante multi-utilisateurs du sch\u00e9ma de multiplexage orthogonal utilis\u00e9 auparavant dans les r\u00e9seaux locaux sans fil. <\/p>\n","protected":false},"author":9,"featured_media":63047,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1141],"class_list":["post-63046","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Solution de test compl\u00e8te pour r\u00e9pondre aux exigences de la n...<\/title>\n<meta name=\"description\" content=\"La plus importante innovation de la technologie de transmission WLAN selon la norme IEEE 802.11ax (Wi-Fi 6) est son exploitation de la technique de...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/63046\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Solution de test compl\u00e8te pour r\u00e9pondre aux exigences de la norme IEEE 802.11ax\" \/>\n<meta property=\"og:description\" content=\"La plus importante innovation de la technologie de transmission WLAN selon la norme IEEE 802.11ax (Wi-Fi 6) est son exploitation de la technique de multiplexage et de codage des donn\u00e9es OFDMA (orthogonal frequency-division multiple access). Cette technologie d&#039;acc\u00e8s multiple par r\u00e9partition orthogonale de la fr\u00e9quence est une variante multi-utilisateurs du sch\u00e9ma de multiplexage orthogonal utilis\u00e9 auparavant dans les r\u00e9seaux locaux sans fil.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/63046\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2020-03-04T18:00:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/eci8468_rohde_schwarz.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"945\" \/>\n\t<meta property=\"og:image:height\" content=\"531\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Alain Dieul\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" 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