{"id":83894,"date":"2019-06-18T16:00:44","date_gmt":"2019-06-18T16:00:44","guid":{"rendered":"https:\/\/\/analog-devices-permet-aux-operateurs-mobiles-daugmenter-la-capacite-dappels-et-le-debit-de-donnees\/"},"modified":"2019-06-18T16:00:44","modified_gmt":"2019-06-18T16:00:44","slug":"analog-devices-permet-aux-operateurs-mobiles-daugmenter-la-capacite-dappels-et-le-debit-de-donnees","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/analog-devices-permet-aux-operateurs-mobiles-daugmenter-la-capacite-dappels-et-le-debit-de-donnees\/","title":{"rendered":"Analog Devices permet aux op\u00e9rateurs mobiles d\u2019augmenter la capacit\u00e9 d\u2019appels et le d\u00e9bit de donn\u00e9es"},"content":{"rendered":"

Avec la nouvelle plateforme AD9081\/2 MxFE d\u2019ADI, les fabricants peuvent installer des radios multibandes dans un encombrement identique aux radios monobande, triplant ainsi la capacit\u00e9 d\u2019appel actuellement offerte par les stations de base 4G LTE. Avec une bande passante de 1,2 GHz, la nouvelle plateforme MxFE permet \u00e9galement aux op\u00e9rateurs sans fil, qui ajoutent de nouvelles antennes \u00e0 leurs tours de t\u00e9l\u00e9phonie cellulaire, de r\u00e9pondre aux exigences accrues de densit\u00e9 radio et de d\u00e9bit de donn\u00e9es qui caract\u00e9risent la nouvelle norme 5G \u00e0 ondes millim\u00e9triques.<\/p>\n

En d\u00e9pla\u00e7ant davantage les fonctions de filtrage et de translation de fr\u00e9quence du domaine analogique vers le domaine num\u00e9rique, l\u2019AD9081\/2 permet aux concepteurs de personnaliser facilement leurs radios par configuration logicielle. La nouvelle plateforme MxFE multivoies convient \u00e0 d\u2019autres applications large bande comme les \u00e9quipements de test et mesure 5G, le streaming vid\u00e9osur liaisons c\u00e2bl\u00e9es \u00e0 haut d\u00e9bit, les syst\u00e8mes radar \u00e0 commande de phase multi-antennes, ainsi que les r\u00e9seaux satellitaires en orbite terrestre basse (LEO).<\/p>\n

\u00ab Compte tenu du nombre d\u2019antennes qu\u2019elles doivent prendre en charge, les tours de t\u00e9l\u00e9phonie cellulaire approchent le niveau de saturation, tandis que nos clients souhaitent des radios multibandes plus l\u00e9g\u00e8res adapt\u00e9es au format des radios actuelles \u00bb, souligne Kimo Tam, general manager du groupe High-Speed, Mixed Signal d\u2019Analog Devices. \u00ab Ils exigent \u00e9galement des plateformes RF d\u00e9finies par logiciel qui allient la configurabilit\u00e9 et l\u2019\u00e9volutivit\u00e9 n\u00e9cessaires pour utiliser une seule et m\u00eame plateforme couvrant plusieurs zones g\u00e9ographiques et dans diff\u00e9rents cas d\u2019utilisation.<\/p>\n

Les circuits MxFE AD9081 et AD9082 embarquent respectivement huit et six convertisseurs de donn\u00e9es RF fabriqu\u00e9s en technologie CMOS 28 nm. Les deux mod\u00e8les fonctionnent dans la bande de fr\u00e9quence instantan\u00e9e la plus large du march\u00e9 (jusqu\u2019\u00e0 2,4 GHz), ce qui simplifie la conception au niveau mat\u00e9riel en r\u00e9duisant le nombre d\u2019\u00e9tages de translation de fr\u00e9quence et en assouplissant les exigences de filtrage. Un tel niveau d\u2019int\u00e9gration r\u00e9pond aux contraintes d\u2019encombrement des concepteurs d\u2019appareils sans fil en r\u00e9duisant le nombre de composants \u00e9lectroniques utilis\u00e9s et en abaissant de 60 % la surface occup\u00e9e sur les cartes \u00e9lectroniques par rapport aux autres solutions.<\/p>\n

La plateforme MxFE traite une partie importante du spectre RF et embarque des fonctions de traitement du signal num\u00e9rique (DSP) pour permettre \u00e0 l\u2019utilisateur de configurer les filtres programmables et les blocs de conversion num\u00e9rique montante et descendante conform\u00e9ment aux besoins sp\u00e9cifiques \u00e0 la bande de fr\u00e9quence radio. Cette approche permet de diviser la consommation d\u2019\u00e9nergie par 10 par rapport \u00e0 des architectures qui g\u00e8rent les op\u00e9rations de conversion et de filtrage RF sur un circuit logique programmable (FPGA), tout en lib\u00e9rant depr\u00e9cieuses ressources de traitement au niveau du processeur ou en permettant aux concepteurs d\u2019utiliser un FPGA de plus faible co\u00fbt.<\/p>\n

www.analog.com<\/a><\/p>\n

analog.com\/en\/products\/ad9081.html#product-overview<\/a>analog.com\/en\/products\/ad9082.html#product-overview<\/a><\/p>\n

analog.com\/en\/products\/mixed-signal-frontends.html<\/a><\/p>\n

analog.com\/en\/applications\/technology\/rf-converters.html<\/a>  <\/p>\n","protected":false},"excerpt":{"rendered":"

Analog Devices, Inc. annonce une plateforme de conversion de donn\u00e9es RF \u00e0 signaux mixtes qui assure un traitement de signaux analogiques et num\u00e9riques de haute performance pour une gamme d\u2019\u00e9quipements sans fil tels que les radios 4G LTE et 5G \u00e0 ondes millim\u00e9triques.<\/p>\n","protected":false},"author":9,"featured_media":83895,"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-83894","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"Analog Devices permet aux op\u00e9rateurs mobiles d\u2019augmenter la ...<\/title>\n<meta name=\"description\" content=\"Analog Devices, Inc. annonce une plateforme de conversion de donn\u00e9es RF \u00e0 signaux mixtes qui assure un 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