{"id":3230,"date":"2018-11-14T11:49:07","date_gmt":"2018-11-14T10:49:07","guid":{"rendered":"http:\/\/blog.mhzshop.com\/?p=3230"},"modified":"2018-11-14T11:49:07","modified_gmt":"2018-11-14T10:49:07","slug":"le-lifi-futur-remplacant-du-wifi","status":"publish","type":"post","link":"https:\/\/www.mhzshop.com\/blog\/nouveautes\/le-lifi-futur-remplacant-du-wifi-3230","title":{"rendered":"Le LiFi, futur rempla\u00e7ant du WiFi ?"},"content":{"rendered":"<p><em>Le WiFi verrait aujourd\u2019hui ses jours compt\u00e9s\u00a0? La raison: l\u2019arriv\u00e9e sur le march\u00e9 du LiFi, contraction de Light Fidelity. Cette technologie de communication innovante transmet l\u2019information par LED.<\/em><\/p>\n<h3>Le LiFi, ou l\u2019acc\u00e8s \u00e0 Internet par la lumi\u00e8re<\/h3>\n<p>Les exp\u00e9riences de communications Li-Fi avec des LEDs <strong>ont d\u00e9but\u00e9 il y quelques ann\u00e9es avec l<\/strong>\u2019id\u00e9e d\u2019utiliser la lumi\u00e8re comme vecteur de transmissions de donn\u00e9es.<\/p>\n<p>Concr\u00e8tement c\u2019<strong>est une technologie de communication par LEDs<\/strong> qui module la lumi\u00e8re \u00e0 haute fr\u00e9quence. Les donn\u00e9es cod\u00e9es sous forme de signal \u00e9lectrique sont donc converties en signal lumineux. La lumi\u00e8re \u00e9mise est ensuite retransform\u00e9e en signal \u00e9lectrique par un r\u00e9cepteur. L\u2019\u00e9change bi-directionnel de donn\u00e9es entre une LED sp\u00e9cifique et un ordinateur, tablette ou smartphone est \u00e9tabli, ouvrant les vannes d&rsquo;Internet \u00e0 son utilisateur, en haut d\u00e9bit mais uniquement dans le c\u00f4ne de lumi\u00e8re produite. Au-del\u00e0 de cette projection de lumi\u00e8re, plus d\u2019acc\u00e8s possible.<\/p>\n<h3>Avantages par rapport au WiFi\u00a0?<\/h3>\n<p><strong>Piratage de connexion, protection des donn\u00e9es sensibles, perte de signal, ainsi que la crainte de certains devant l\u2019\u00e9mission d\u2019ondes \u00e9lectromagn\u00e9tiques, <\/strong>le WiFi a pu trouver des d\u00e9tracteurs. Le LiFi se pr\u00e9sente comme alternative int\u00e9ressante en s\u00e9curisant un maximum les \u00e9changes d\u2019informations (la lumi\u00e8re ne traverse pas les murs) et en \u00e9liminant les ondes radio.<\/p>\n<p>C\u00f4t\u00e9 t\u00e9l\u00e9phonie, un fabricant a annonc\u00e9 au\u00a0dernier MWC \u00e0 Barcelone l&rsquo;<strong>extension de cette technologie au Smartphone<\/strong><strong>.<\/strong><\/p>\n<p><strong>La port\u00e9e du LiFi restant limit\u00e9e, la solution devient compl\u00e9mentaire au WiFi, sans toutefois la substituer. Le WiFi a donc encore quelques ann\u00e9es devant lui\u00a0!<\/strong><\/p>\n<p><strong><em>Sources\u00a0: <a href=\"http:\/\/www.tactis.fr\/nos-actualites\/lifi-internet-par-lampe-led-revolution-ou-utopie\/\">http:\/\/www.tactis.fr\/nos-actualites\/lifi-internet-par-lampe-led-revolution-ou-utopie\/<\/a><\/em><\/strong><\/p>\n<p><strong><em>Autres actualit\u00e9s, fabricants<\/em><\/strong><\/p>\n<div id=\"sconnect-is-installed\" style=\"display: none;\">2.5.0.0<\/div>\n<div id=\"sconnect-is-installed\" style=\"display: none;\">2.5.0.0<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Le WiFi verrait aujourd\u2019hui ses jours compt\u00e9s\u00a0? La raison: l\u2019arriv\u00e9e sur le march\u00e9 du LiFi, contraction de Light Fidelity. Cette technologie de communication innovante transmet l\u2019information par LED. Le LiFi, ou l\u2019acc\u00e8s \u00e0 Internet par la lumi\u00e8re Les exp\u00e9riences de communications Li-Fi avec des LEDs ont d\u00e9but\u00e9 il y quelques [&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>Le LiFi, futur rempla\u00e7ant du WiFi ? - 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\/le-lifi-futur-remplacant-du-wifi-3230\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le LiFi, futur rempla\u00e7ant du WiFi ? - Blog\" \/>\n<meta property=\"og:description\" content=\"Le WiFi verrait aujourd\u2019hui ses jours compt\u00e9s\u00a0? 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