{"id":449789,"date":"2024-04-29T10:15:37","date_gmt":"2024-04-29T08:15:37","guid":{"rendered":"https:\/\/www.ecinews.fr\/?p=449789"},"modified":"2024-04-29T00:53:50","modified_gmt":"2024-04-28T22:53:50","slug":"modules-de-simulation-de-connexions-mimo","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/modules-de-simulation-de-connexions-mimo\/","title":{"rendered":"Modules de simulation de connexions MIMO"},"content":{"rendered":"<h3><strong>Anritsu Corporation \u00e9largie sa gamme de modules Butler Matrix pour la simulation de connexions MIMO avec la nouvelle Matrice de Butler 4&#215;4 (0,6 GHz \u00e0 7,125 GHz) MA8114A.<\/strong><\/h3>\n<p>Le MA8114A est une voie de transmission Butler Matrix avec 4 ports d&rsquo;entr\u00e9e et 4 ports de sortie qui supporte la bande 6 GHz (5,925 GHz \u00e0 7,125 GHz), qui n&rsquo;est pas prise en charge par l&rsquo;Azimuth STACSIM-WB (Static Channel Simulator) (ACC-339) existant) utilis\u00e9 pour \u00e9valuer le d\u00e9bit MIMO 4&#215;4 des stations de base LTE\/5G et des appareils Wi-Fi. Le MA8114A aide les utilisateurs \u00e0 cr\u00e9er un environnement d&rsquo;\u00e9valuation 5G\/W-Fi stable pour tester efficacement les d\u00e9bits.<\/p>\n<p><strong>Contexte du d\u00e9veloppement<\/strong><\/p>\n<p>Les fournisseurs de stations de base LTE\/5G et d&rsquo;appareils Wi-Fi utilisent l&rsquo;environnement de test Over The Air pour \u00e9valuer le d\u00e9bit maximal avec du 4&#215;4 MIMO pour leurs produits. Cela implique de mesurer les performances radio Tx\/Rx des appareils sans fil \u00e0 l\u2019aide d\u2019une chambre an\u00e9cho\u00efque ou OTA con\u00e7ue pour bloquer les ondes radio externes. \u00c9tant donn\u00e9 que l&rsquo;environnement de transmission varie en fonction de la distance par rapport \u00e0 l&rsquo;\u00e9quipement utilisateur (UE), l&rsquo;inconv\u00e9nient de cette approche est la faible reproductibilit\u00e9 des r\u00e9sultats de mesure. Bien que la reproductibilit\u00e9 puisse \u00eatre am\u00e9lior\u00e9e en connectant les deux appareils \u00e0 l&rsquo;aide d&rsquo;un c\u00e2ble RF, un simple coupleur ne peut pas simuler l&rsquo;environnement de transmission MIMO. Le MA8114A r\u00e9sout ce probl\u00e8me en garantissant des mesures hautement reproductibles.<\/p>\n<p>La fr\u00e9quence limite sup\u00e9rieure pour NR FR1 a \u00e9t\u00e9 \u00e9tendue \u00e0 partir de la version 17 de la 3GPP, et la bande 6 GHz a \u00e9t\u00e9 ajout\u00e9e au Wi-Fi 6E\/7. Le MA8114A prend en charge la gamme de fr\u00e9quences allant jusqu&rsquo;\u00e0 7,125 GHz en pr\u00e9paration pour les pays lan\u00e7ant des services sur de nouvelles bandes de fr\u00e9quences.<\/p>\n<p>La gamme de produits du module Butler Matrix comprend \u00e9galement le Butler Matrix 8&#215;8 (0,6 GHz \u00e0 7,125 GHz) MA8118A avec 8 ports d&rsquo;entr\u00e9e et 8 ports de sortie, qui supporte \u00e9galement la plage de fr\u00e9quences allant jusqu&rsquo;\u00e0 7,125 GHz. Le MA8118A peut \u00eatre utilis\u00e9 non seulement pour l&rsquo;\u00e9valuation du d\u00e9bit 8&#215;8 MIMO, mais \u00e9galement pour permettre des tests efficaces d&rsquo;appareils dot\u00e9s de plusieurs ports RF.<\/p>\n<p><a href=\"http:\/\/www.anritsu.com\/\">www.anritsu.com<\/a><\/p>\n<p><a href=\"https:\/\/news.google.com\/publications\/CAAqBwgKMJbcwQswuPfYAw?hl=fr&amp;gl=BE&amp;ceid=BE:fr\">Suivre ECInews sur Google news<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Anritsu Corporation \u00e9largie sa gamme de modules Butler Matrix pour la simulation de connexions MIMO avec la nouvelle Matrice de Butler 4&#215;4 (0,6 GHz \u00e0 7,125 GHz) MA8114A. Le MA8114A est une voie de transmission Butler Matrix avec 4 ports d&rsquo;entr\u00e9e et 4 ports de sortie qui supporte la bande 6 GHz (5,925 GHz \u00e0 [&hellip;]<\/p>\n","protected":false},"author":39,"featured_media":449797,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[1587],"domains":[47],"ppma_author":[6113],"class_list":["post-449789","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-instrumentation","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Modules de simulation de connexions MIMO ...<\/title>\n<meta name=\"description\" content=\"Anritsu Corporation \u00e9largie sa gamme de modules Butler Matrix pour la simulation de connexions MIMO avec la nouvelle Matrice de Butler 4x4 (0,6 GHz \u00e0 7,125...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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