{"id":154916,"date":"2021-12-02T17:03:30","date_gmt":"2021-12-02T17:03:30","guid":{"rendered":"https:\/\/\/solution-de-test-compacte-integrant-plusieurs-reflecteurs-catr\/"},"modified":"2021-12-02T17:03:30","modified_gmt":"2021-12-02T17:03:30","slug":"solution-de-test-compacte-integrant-plusieurs-reflecteurs-catr","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/solution-de-test-compacte-integrant-plusieurs-reflecteurs-catr\/","title":{"rendered":"Solution de test compacte int\u00e9grant plusieurs r\u00e9flecteurs CATR"},"content":{"rendered":"<p>Gr\u00e2ce aux deux enceintes lat\u00e9rales qui y sont associ\u00e9es, la solution R&amp;S ATS1800M offre de plus amples capacit\u00e9s de test. Elle permet en effet de r\u00e9aliser, avec un seul et m\u00eame syst\u00e8me, l\u2019ensemble des tests de conformit\u00e9 d&rsquo;un appareil de communication 5G NR mmWave selon les exigences du 3GPP. Elle permet notamment d\u2019effectuer des tests relatifs \u00e0 la gestion des ressources radio (RRM) avec plusieurs angles d&rsquo;incidence (AoA pour Angle of Arrival).<br \/>\nL\u2019enceinte de test R&amp;S ATS1800M 5G NR mmWave est \u00e9quip\u00e9e de quatre r\u00e9flecteurs CATR.<\/p>\n<p>La soci\u00e9t\u00e9 Rohde &amp; Schwarz a \u00e9t\u00e9 pionni\u00e8re en mati\u00e8re de tests OTA en dotant sa solution R&amp;S ATS1800C d&rsquo;une technologie novatrice. Le r\u00e9flecteur CATR plaqu\u00e9 or, situ\u00e9 dans la chambre de test, permet en effet de cr\u00e9er une importante zone tranquille (QZ pour Quiet zone), ou zone de mesure utilisable, dans une enceinte pr\u00e9sentant une compacit\u00e9 sans \u00e9quivalent sur le march\u00e9. La solution R&amp;S ATS1800C offre un tr\u00e8s haut niveau de flexibilit\u00e9 permettant la mise en \u0153uvre d\u2019une vari\u00e9t\u00e9 de m\u00e9thodes de test telles que les essais thermiques et hors bande (OOB). En lui associant la nouvelle enceinte lat\u00e9rale, la solution R&amp;S ATS1800C prend d\u00e9sormais \u00e9galement en charge les tests RRM avec deux angles d&rsquo;incidence (AoA).<\/p>\n<p>Alors que le syst\u00e8me R&amp;S ATS1800C n\u2019est \u00e9quip\u00e9 que d\u2019un seul r\u00e9flecteur CATR, la solution R&amp;S ATS1800M en int\u00e8gre quatre dont chacun d\u2019entre eux offre une zone tranquille d\u2019une \u00e9tendue encore in\u00e9gal\u00e9e de 30 cm. Comme les quatre zones tranquilles se chevauchent et forment \u00e0 leur intersection une zone tranquille combin\u00e9e de 30 cm, une large zone tranquille entoure le dispositif sous test (DUT) dans toutes les directions. Cette configuration permet d&rsquo;examiner l&rsquo;appareil sous test lorsqu&rsquo;il est expos\u00e9 \u00e0 des signaux qui lui parviennent simultan\u00e9ment avec diff\u00e9rents angles d\u2019incidence, comme c\u2019est le cas au sein d\u2019un v\u00e9ritable r\u00e9seau de communication. Cette importante zone tranquille permet de r\u00e9duire consid\u00e9rablement l&rsquo;incertitude de mesure par rapport aux solutions concurrentes. L&rsquo;objet sous test peut \u00e9galement \u00eatre test\u00e9 sans savoir o\u00f9 se situent les antennes qu\u2019il int\u00e8gre (\u00ab\u00a0test de type bo\u00eete noire\u00a0\u00bb). Ce qui en fait une solution parfaitement adapt\u00e9e pour les fournisseurs de services.\u2028<\/p>\n<p>Les tests RRM visent \u00e0 utiliser les ressources RF restreintes le plus efficacement possible et \u00e0 \u00e9viter les interf\u00e9rences entre les canaux. La sp\u00e9cification du 3GPP concernant le test RRM d\u00e9finit cinq paires d&rsquo;angles distinctes, pr\u00e9sentant des \u00e9carts angulaires relatifs entre les signaux de la station de base de 30\u00b0, 60\u00b0, 90\u00b0, 120\u00b0 et 150\u00b0. La solution R&amp;S ATS1800M peut r\u00e9pondre \u00e0 cette exigence avec seulement trois r\u00e9flecteurs suppl\u00e9mentaires. La chambre lat\u00e9rale peut \u00eatre int\u00e9gr\u00e9e aux syst\u00e8mes R&amp;S ATS1800C existants. Cette proc\u00e9dure d\u2019extension est cependant r\u00e9versible.<\/p>\n<p><a href=\"http:\/\/www.rohde-schwarz.com\/product\/ats1800c\" target=\"_blank\" rel=\"noopener\">www.rohde-schwarz.com\/product\/ats1800c<\/a><br \/>\n&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Destin\u00e9e aux tests RRM des appareils 5G NR op\u00e9rant aux fr\u00e9quences situ\u00e9es dans le domaine des ondes millim\u00e9triques, l\u2019enceinte de test R&amp;S ATS1800C int\u00e8gre un r\u00e9flecteur CATR (compact antenna test range). Elle a \u00e9t\u00e9 con\u00e7ue par Rohde &amp; Schwarz pour les tests OTA (over-the-air) des \u00e9quipements de communication 5G NR op\u00e9rant \u00e0 des fr\u00e9quences se situant dans le domaine des ondes millim\u00e9triques (5G NR mmWave). <\/p>\n","protected":false},"author":9,"featured_media":154917,"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-154916","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Solution de test compacte int\u00e9grant plusieurs r\u00e9flecteurs CATR ...<\/title>\n<meta name=\"description\" content=\"Destin\u00e9e aux tests RRM des appareils 5G NR op\u00e9rant aux fr\u00e9quences situ\u00e9es dans le domaine des ondes millim\u00e9triques, l\u2019enceinte de test R&amp;S...\" \/>\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\/154916\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Solution de test compacte int\u00e9grant plusieurs r\u00e9flecteurs CATR\" \/>\n<meta property=\"og:description\" content=\"Destin\u00e9e aux tests RRM des appareils 5G NR op\u00e9rant aux fr\u00e9quences situ\u00e9es dans le domaine des ondes millim\u00e9triques, l\u2019enceinte de test R&amp;S ATS1800C int\u00e8gre un r\u00e9flecteur CATR (compact antenna test range). Elle a \u00e9t\u00e9 con\u00e7ue par Rohde &amp; Schwarz pour les tests OTA (over-the-air) des \u00e9quipements de communication 5G NR op\u00e9rant \u00e0 des fr\u00e9quences se situant dans le domaine des ondes millim\u00e9triques (5G NR mmWave).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/154916\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2021-12-02T17:03:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/eci9904_rohde_schwarz.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"945\" \/>\n\t<meta property=\"og:image:height\" content=\"945\" \/>\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 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