{"id":3288,"date":"2019-07-12T14:54:32","date_gmt":"2019-07-12T13:54:32","guid":{"rendered":"http:\/\/blog.mhzshop.com\/?p=3288"},"modified":"2019-07-12T14:54:32","modified_gmt":"2019-07-12T13:54:32","slug":"eh-papa-cest-quoi-ces-nouveaux-noms-de-wi-fi","status":"publish","type":"post","link":"https:\/\/www.mhzshop.com\/blog\/nouveautes\/eh-papa-cest-quoi-ces-nouveaux-noms-de-wi-fi-3288","title":{"rendered":"Eh papa, c\u2019est quoi ces nouveaux noms de Wi-Fi ?"},"content":{"rendered":"<p>On avait parl\u00e9 au d\u00e9but de l\u2019ann\u00e9e 2018 dans ce blog, des nouvelles normes Wi-Fi qui allaient arriver sur le march\u00e9. L\u2019Alliance Wi-Fi vient de cr\u00e9er un nouveau syst\u00e8me d\u2019identification des diff\u00e9rentes g\u00e9n\u00e9rations de Wi-Fi :<\/p>\n<p>&#8211; Wi-Fi4 pour les \u00e9quipements qui supportent la norme 802.11n<br \/>\n&#8211; Wi-Fi5 pour les \u00e9quipements qui supportent la norme 802.11ac<br \/>\n&#8211; Wi-Fi6 pour les \u00e9quipements qui supportent la norme 802.11ax<\/p>\n<p>La norme Wi-Fi 6 (802.11ax) s\u2019articule autour de ces principaux \u00e9l\u00e9ments d\u2019am\u00e9lioration:<\/p>\n<p>&#8211; OFDMA UL\/DL (orthogonal frequency-division multiple access Uplink\/Downlink)<br \/>\n&#8211; MU-MIMO UL \/ DL (Multi-User &#8211; Multiple-Input, Multiple-Output Uplink\/Downlink)<br \/>\n&#8211; QAM (modulation d&rsquo;amplitude en quadrature)<br \/>\n&#8211; OFDM (orthogonal frequency-division multiplexing)<br \/>\n&#8211; OBSS &#8211; BSS coloring (traitement des interf\u00e9rences)<br \/>\n&#8211; TWT (target wake time, am\u00e9lioration des phases de sommeil des \u00e9quipements, \u00e9conomie d\u2019\u00e9nergie)<br \/>\n&#8211; WPA3 (Wi-Fi Protected Access 3, protocole pour la protection des communications)<br \/>\n&#8211; nouvelles trames Ethernet<\/p>\n<p>Pourquoi le Wi-Fi6 est-il si bien?<\/p>\n<p>Le Wi-Fi a parcouru un long chemin depuis l\u2019\u00e9poque du 802.11b. La nouvelle g\u00e9n\u00e9ration, le Wi-Fi6, offre la technologie sans fil \u00e0 haute efficacit\u00e9 (HEW, High Efficiency Wireless). Le WiFi6 introduit de meilleures m\u00e9thodes de contr\u00f4le de puissance pour \u00e9viter les interf\u00e9rences avec les r\u00e9seaux voisins, il y a de plus des am\u00e9liorations de consommation d&rsquo;\u00e9nergie et des protocoles de s\u00e9curit\u00e9, tels que TWT (Target Wake Time) et WPA3 (Wi-Fi Protected Access 3). Cela permet dans les zones denses des d\u00e9bits quatre fois plus \u00e9lev\u00e9s qu\u2019avec la norme 11ac : les utilisateurs constateront une am\u00e9lioration de la puissance, de la couverture et des performances. Les appareils Wi-Fi6 consomment moins de batterie, c\u2019est par exemple un choix id\u00e9al pour les immeubles dits intelligents.<\/p>\n<p>L\u2019Alliance Wi-Fi explique:<\/p>\n<p>\u00ab Les appareils Wi-Fi Certified 6 apportent des performances am\u00e9lior\u00e9es aux utilisateurs dans des environnements exigeants, de l&rsquo;IdO (intelligence des objets) \u00e0 l\u2019immeuble intelligent, en passant par les entreprises qui font des d\u00e9ploiements \u00e0 grande \u00e9chelle. Les applications de r\u00e9alit\u00e9 virtuelle et\/ou augment\u00e9e telles que l&rsquo;e-Learning, la t\u00e9l\u00e9r\u00e9union, le t\u00e9l\u00e9contr\u00f4le et le monitoring de soins de sant\u00e9 deviennent plus accessibles avec la technologie Wi-Fi Certified 6. Elle offre \u00e9galement aux op\u00e9rateurs de Wi-Fi publics davantage de fonctionnalit\u00e9s pour prendre en charge les nouveaux usage de connectivit\u00e9 dans les environnements de vente au d\u00e9tail, les stades et les hubs de transport, y compris un nombre croissant d&rsquo;applications et de services bas\u00e9s sur la localisation et des applications \u00e0 bande passante intensive. \u00bb<\/p>\n<p>Les fabricants (Cisco, Huawei, Engenius, Netgear etc) ont d\u00e9j\u00e0 mis sur le march\u00e9 quelques \u00e9quipements.<\/p>\n<p>En r\u00e9sum\u00e9, la prochaine g\u00e9n\u00e9ration de WiFi 11ax n\u2019est plus seulement une question de vitesse, mais \u00e9galement de connexions sans fil plus solides, plus stables et plus efficaces.<\/p>\n<div id=\"sconnect-is-installed\" style=\"display: none;\"><\/div>\n<div id=\"sconnect-is-installed\" style=\"display: none;\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>On avait parl\u00e9 au d\u00e9but de l\u2019ann\u00e9e 2018 dans ce blog, des nouvelles normes Wi-Fi qui allaient arriver sur le march\u00e9. L\u2019Alliance Wi-Fi vient de cr\u00e9er un nouveau syst\u00e8me d\u2019identification des diff\u00e9rentes g\u00e9n\u00e9rations de Wi-Fi : &#8211; Wi-Fi4 pour les \u00e9quipements qui supportent la norme 802.11n &#8211; Wi-Fi5 pour les [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false},"categories":[6],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.6.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Eh papa, c\u2019est quoi ces nouveaux noms de Wi-Fi ? - Blog<\/title>\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.mhzshop.com\/blog\/nouveautes\/eh-papa-cest-quoi-ces-nouveaux-noms-de-wi-fi-3288\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Eh papa, c\u2019est quoi ces nouveaux noms de Wi-Fi ? - Blog\" \/>\n<meta property=\"og:description\" content=\"On avait parl\u00e9 au d\u00e9but de l\u2019ann\u00e9e 2018 dans ce blog, des nouvelles normes Wi-Fi qui allaient arriver sur le march\u00e9. 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