{"id":4961,"date":"2005-06-06T12:27:58","date_gmt":"2005-06-06T10:27:58","guid":{"rendered":"https:\/\/destinationcyber.com\/?p=4961"},"modified":"2005-06-06T12:27:58","modified_gmt":"2005-06-06T10:27:58","slug":"samsung-devoile-un-ordinateur-portable-wi-fi-a-100-mbit-s","status":"publish","type":"post","link":"https:\/\/destinationcyber.com\/?p=4961","title":{"rendered":"Samsung d\u00e9voile un ordinateur portable Wi-Fi \u00e0 100 Mbit\/s"},"content":{"rendered":"<p class=\"post_excerpt\">La technologie MIMO, qui consiste \u00e0 dupliquer le signal de donn\u00e9es, permet au portable de Samsung de r\u00e9aliser des transmissions sans fil \u00e0 100 Mbit\/s et avec une port\u00e9e de 270 m.<\/p>\n<p><figure id=\"attachment_4957\" aria-describedby=\"caption-attachment-4957\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\" aligncenter size-full wp-image-4957\" src=\"https:\/\/destinationcyber.com\/wp-content\/uploads\/2005\/06\/jpg_8931483271547815.jpg\" alt=\"Samsung X20\" title=\"Samsung X20\" class=\"caption\" align=\"center\" width=\"300\" height=\"289\" \/><figcaption id=\"caption-attachment-4957\" class=\"wp-caption-text\">Samsung X20<\/figcaption><\/figure><br \/>\nLe constructeur Samsung vient de lancer un ordinateur portable utilisant plusieurs \u00e9metteurs radio afin d&rsquo;am\u00e9liorer la vitesse de transmission des donn\u00e9es sur un r\u00e9seau sans fil. En utilisant une technologie appel\u00e9e Multiple Input Multiple Output (MIMO), non seulement la vitesse de transmission est doubl\u00e9e, passant de 54 \u00e0 100 Mbit\/s, mais la port\u00e9e maximale du signal passe \u00e9galement de 90 m actuellement \u00e0 270 m environ.<\/p>\n<p>La technologie MIMO utilise les standards existants 802.11b et 802.11g mais fait un meilleur usage du spectre radio disponible en envoyant plusieurs signaux de donn\u00e9es sur un unique canal radio. Samsung utilise un chipset sans fil fabriqu\u00e9 par une start-up, <img loading=\"lazy\" decoding=\"async\" class=\" alignleft size-full wp-image-4958\" src=\"https:\/\/destinationcyber.com\/wp-content\/uploads\/2005\/06\/jpg_4068_tm.jpg\" alt=\"4068_tm.jpg\" align=\"left\" width=\"95\" height=\"76\" \/>Airgo Networks, et qui offre une alternative au chipset sans fil Centrino d&rsquo;Intel, actuellement utilis\u00e9 dans la plupart des ordinateurs portables.<br \/>\n<figure id=\"attachment_4959\" aria-describedby=\"caption-attachment-4959\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\" aligncenter size-full wp-image-4959\" src=\"https:\/\/destinationcyber.com\/wp-content\/uploads\/2005\/06\/jpg_4068_large.jpg\" alt=\"Chipset MIMO \" title=\"Chipset MIMO \" class=\"caption\" align=\"center\" width=\"300\" height=\"395\" srcset=\"https:\/\/destinationcyber.com\/wp-content\/uploads\/2005\/06\/jpg_4068_large.jpg 300w, https:\/\/destinationcyber.com\/wp-content\/uploads\/2005\/06\/jpg_4068_large-228x300.jpg 228w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-4959\" class=\"wp-caption-text\">Chipset MIMO<\/figcaption><\/figure><\/p>\n<p><strong>Routeurs et cartes r\u00e9seau ad hoc<\/strong><\/p>\n<p>Le Centrino est \u00e9quip\u00e9 d&rsquo;un seul \u00e9metteur radio, contre deux pour le X20 de Samsung. <figure id=\"attachment_4960\" aria-describedby=\"caption-attachment-4960\" style=\"width: 500px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\" alignright size-full wp-image-4960\" src=\"https:\/\/destinationcyber.com\/wp-content\/uploads\/2005\/06\/jpg_4068_super.jpg\" alt=\"X20 de Samsung\" title=\"X20 de Samsung\" class=\"caption\" align=\"right\" width=\"500\" height=\"359\" srcset=\"https:\/\/destinationcyber.com\/wp-content\/uploads\/2005\/06\/jpg_4068_super.jpg 500w, https:\/\/destinationcyber.com\/wp-content\/uploads\/2005\/06\/jpg_4068_super-300x215.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><figcaption id=\"caption-attachment-4960\" class=\"wp-caption-text\">X20 de Samsung<\/figcaption><\/figure>Ce dernier est le premier constructeur au monde \u00e0 int\u00e9grer MIMO au sein des portables, selon Airgo. Des fabricants d&rsquo;\u00e9quipements pour r\u00e9seau sans fil, notamment Netgear, Linksys et Belkin, commercialisent d\u00e9j\u00e0 des routeurs et cartes r\u00e9seau \u00e9quip\u00e9s de cette technologie.<\/p>\n<p>Celle-ci est susceptible d&rsquo;\u00eatre int\u00e9gr\u00e9e au futur standard 802.11n, actuellement en d\u00e9veloppement. Les ordinateurs portables de Samsung seront distribu\u00e9s dans certaines r\u00e9gions d&rsquo;Europe et d&rsquo;Asie.<\/p>\n<p>[source &#8211; vnunet.fr]&nbsp;Tom Sanders (VNUnet.com)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La technologie MIMO, qui consiste \u00e0 dupliquer le signal de donn\u00e9es, permet au portable de Samsung de r\u00e9aliser des transmissions sans fil \u00e0 100 Mbit\/s et avec une port\u00e9e de 270 m.<\/p>\n","protected":false},"author":1,"featured_media":4957,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_citadela_custom_class":"","footnotes":""},"categories":[14],"tags":[],"class_list":["post-4961","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-matos"],"_links":{"self":[{"href":"https:\/\/destinationcyber.com\/index.php?rest_route=\/wp\/v2\/posts\/4961","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/destinationcyber.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/destinationcyber.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/destinationcyber.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/destinationcyber.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4961"}],"version-history":[{"count":0,"href":"https:\/\/destinationcyber.com\/index.php?rest_route=\/wp\/v2\/posts\/4961\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/destinationcyber.com\/index.php?rest_route=\/wp\/v2\/media\/4957"}],"wp:attachment":[{"href":"https:\/\/destinationcyber.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4961"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/destinationcyber.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4961"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/destinationcyber.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4961"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}