{"id":210451,"date":"2016-05-24T19:00:00","date_gmt":"2016-05-24T19:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/lineariseur-mimo-pour-le-deploiement-de-reseaux-plus-verts\/"},"modified":"2016-05-24T19:00:00","modified_gmt":"2016-05-24T19:00:00","slug":"lineariseur-mimo-pour-le-deploiement-de-reseaux-plus-verts","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/lineariseur-mimo-pour-le-deploiement-de-reseaux-plus-verts\/","title":{"rendered":"Lin\u00e9ariseur MIMO pour le d\u00e9ploiement de r\u00e9seaux plus \u00ab\u00a0verts\u00a0\u00bb"},"content":{"rendered":"<p>Ce lin\u00e9ariseur permet aux amplificateurs de consommer jusqu&rsquo;\u00e0 70% de moins par rapport \u00e0 un fonctionnement en \u00ab\u00a0back-off\u00a0\u00bb (en retrait par rapport au niveau de saturation de l&rsquo;amplificateur). En outre, il peut r\u00e9duire les co\u00fbts de nomenclature (BOM) jusqu&rsquo;\u00e0 50%, et il est jusqu&rsquo;\u00e0 8&nbsp;fois plus petit que la plupart des solutions DPD (Digital Pre-Distorsion) actuellement pr\u00e9sentes sur le march\u00e9.<\/p>\n<p>Occupant moins de 6,45&nbsp;cm\u00b2 sur une carte, ce dispositif am\u00e9liore consid\u00e9rablement le rendement de l&rsquo;amplificateur tout en consommant moins de 1,5 W quand les deux canaux sont op\u00e9rationnels. Les fabricants peuvent ainsi disposer d&rsquo;avantages comp\u00e9titifs significatifs et les op\u00e9rateurs r\u00e9pondre \u00e0 leur besoin de r\u00e9duction des co\u00fbts de d\u00e9ploiement et d&rsquo;exploitation. &nbsp;<\/p>\n<p>Avec la croissance exponentielle du trafic de donn\u00e9es cellulaires, l&rsquo;industrie des t\u00e9l\u00e9coms est en train de migrer de r\u00e9seaux ax\u00e9s sur la voix vers des r\u00e9seaux h\u00e9t\u00e9rog\u00e8nes offrant une couverture et une capacit\u00e9 am\u00e9lior\u00e9es. Ce lin\u00e9ariseur constitue une formidable alternative par rapport \u00e0 l&rsquo;approche inefficace consistant \u00e0 faire fonctionner des amplificateurs en mode \u00ab\u00a0back-off\u00a0\u00bb, et il est aussi pr\u00e9f\u00e9rable aux solutions DPD, puisqu&rsquo;il ne n\u00e9cessite aucun d\u00e9veloppement de logiciel ou d&rsquo;algorithme complexe. Il dispose d&rsquo;un pr\u00e9ampli int\u00e9gr\u00e9 et d&rsquo;une alimentation 1.8 V simple, et fonctionne de mani\u00e8re optimum avec un large \u00e9ventail d&rsquo;architectures, de technologies, et de puissance d&rsquo;amplificateurs. En outre, il r\u00e9pond aux exigences r\u00e9glementaires strictes en termes d&rsquo;\u00e9mission spectrale et d&rsquo;amplitude du vecteur d&rsquo;erreur (EVM).<\/p>\n<p>Ce circuit convient aux syst\u00e8mes 2G, 3G, et 4G, y compris TD-LTE et FD-LTE. Il est \u00e9galement bien adapt\u00e9 pour les applications d&rsquo;infrastructure cellulaire, comme les petites ou les macro-stations de base cellulaires, les syst\u00e8mes d&rsquo;antenne distribu\u00e9es DAS et d&rsquo;antennes actives AAS, les t\u00eates radio distantes, et autres syst\u00e8mes multi-entr\u00e9es multi-sorties MIMO.<\/p>\n<hr \/>\n<p>\u00ab\u00a0Le SC2200, bas\u00e9 sur la technologie RFPAL \u00e9prouv\u00e9e et d\u00e9ploy\u00e9e dans des millions de stations de base, est d\u00e9j\u00e0 utilis\u00e9 dans des syst\u00e8mes 5G pr\u00e9liminaires utilisant de grands r\u00e9seaux d&rsquo;antennes MIMO, \u00a0\u00bb d\u00e9clare Elina Todorov, Directeur de division chez Maxim Integrated. \u00ab\u00a0Le SC2200 offre un niveau d&rsquo;int\u00e9gration et de fonctionnalit\u00e9 sup\u00e9rieur aux g\u00e9n\u00e9rations pr\u00e9c\u00e9dentes, qui permet aux fournisseurs de stations de base de r\u00e9duire consid\u00e9rablement les co\u00fbts syst\u00e8me.\u00a0\u00bb<\/p>\n<p>Encapsul\u00e9 en bo\u00eetier QFN SAWN de 11 x 11 mm, ce RFPAL est sp\u00e9cifi\u00e9 sur la plage de temp\u00e9ratures allant de -40 \u00b0C \u00e0 +100 \u00b0C. Il est accompagn\u00e9 par les trois kits SC2200-EVK900\/1900\/2400 qui fournissent le mat\u00e9riel et les interfaces graphiques utilisateur (GUI) n\u00e9cessaires \u00e0 son \u00e9valuation en fonction de la gamme de fr\u00e9quence utilis\u00e9e.<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les concepteurs peuvent d\u00e9sormais \u00e9laborer des frontaux RF plus petits, moins co\u00fbteux et consommant moins gr\u00e2ce \u00e0 l\u2019amplificateur lin\u00e9ariseur RF double-canal RFPAL SC2200 de Maxim Integrated Products.<\/p>\n","protected":false},"author":9,"featured_media":210452,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[916],"domains":[47],"ppma_author":[1141],"class_list":["post-210451","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-rf-transmission-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Lin\u00e9ariseur MIMO pour le d\u00e9ploiement de r\u00e9seaux plus &quot;verts&quot; ...<\/title>\n<meta name=\"description\" content=\"Les concepteurs peuvent d\u00e9sormais \u00e9laborer des frontaux RF plus petits, moins co\u00fbteux et consommant moins gr\u00e2ce \u00e0 l\u2019amplificateur lin\u00e9ariseur RF...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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