{"id":54163,"date":"2019-12-19T00:00:00","date_gmt":"2019-12-18T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/chto-takoe-zona-frenelya-i-ccq-client-connection-quality-ili-fundamentalnye-faktory-kachestvennogo-besprovodnogo-mosta"},"modified":"2020-02-18T14:02:08","modified_gmt":"2020-02-18T11:02:08","slug":"chto-takoe-zona-frenelya-i-ccq-client-connection-quality-ili-fundamentalnye-faktory-kachestvennogo-besprovodnogo-mosta","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/administrirovanie\/chto-takoe-zona-frenelya-i-ccq-client-connection-quality-ili-fundamentalnye-faktory-kachestvennogo-besprovodnogo-mosta","title":{"rendered":"Qu'est-ce que la zone de Fresnel et CCQ (Client Connection Quality) ou les facteurs fondamentaux d'un pont sans fil de qualit\u00e9.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<h3>Contenu<\/h3>\n<p>\n<noindex><a rel=\"nofollow\" href=\"#1\">CCQ \u2014 qu'est-ce que c'est ?<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"#2\">Trois facteurs principaux influen\u00e7ant la qualit\u00e9 du CCQ.<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"#3\">Zone de Fresnel \u2014 qu'est-ce que c'est ?<\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" href=\"#4\">Comment calculer la zone de Fresnel ?<\/a><\/noindex><\/p>\n<p>Dans cet article, je souhaite parler des facteurs fondamentaux pour construire un pont sans fil de qualit\u00e9, car beaucoup de \u00ab constructeurs de r\u00e9seau \u00bb pensent qu'il suffit d'acheter du mat\u00e9riel r\u00e9seau de qualit\u00e9, de l'installer et d'obtenir 100 % de rendement \u2014 ce qui, au final, ne r\u00e9ussit pas \u00e0 tout le monde.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\n<noindex><a rel=\"nofollow\" name=\"1\"><\/a><\/noindex><\/p>\n<h2>CCQ \u2014 qu'est-ce que c'est ?<\/h2>\n<p>\nLe CCQ (Client Connection Quality) se traduit de l'anglais par \u00ab qualit\u00e9 de connexion client \u00bb \u2014 ce qui indique en gros le pourcentage du d\u00e9bit th\u00e9orique possible par rapport au d\u00e9bit r\u00e9el actuel du canal, en d'autres termes, le pourcentage de d\u00e9bit atteint par rapport \u00e0 celui qui est maximal sur un \u00e9quipement sp\u00e9cifique.<\/p>\n<p>Par exemple, si vous utilisez un \u00e9quipement avec un d\u00e9bit maximal possible de 200 Mbit\/s, mais que dans les faits, sur le canal actuel, vous n'avez que 100 Mbit\/s \u2014 dans ce cas, le CCQ est de 50 %<\/p>\n<p>Dans l'\u00e9quipement r\u00e9seau <noindex><a rel=\"nofollow\" href=\"http:\/\/lanmarket.ua\/brends\/mikrotik\/\">Mikrotik<\/a><\/noindex> et <noindex><a rel=\"nofollow\" href=\"http:\/\/lanmarket.ua\/brends\/ubiquiti-networks\/\">Ubiquiti<\/a><\/noindex> il y a deux indicateurs s\u00e9par\u00e9s<br \/>\nTx. CCQ (Transmit CCQ) \u2014 vitesse de transmission des donn\u00e9es.<br \/>\nRx. CCQ (Receive CCQ) \u2014 vitesse de r\u00e9ception des donn\u00e9es.<\/p>\n<p><img decoding=\"async\" alt=\"Qu&#039;est-ce que la zone de Fresnel et CCQ (Client Connection Quality) ou les facteurs fondamentaux d&#039;un pont sans fil de qualit\u00e9.\" src=\"\/wp-content\/uploads\/2019\/12\/9910fcca9d355316644e7402c1075c0b.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<noindex><a rel=\"nofollow\" name=\"2\"><\/a><\/noindex><\/p>\n<h2>Trois facteurs principaux influen\u00e7ant la qualit\u00e9 du CCQ<\/h2>\n<p>\n<b>1. L'ajustement des deux antennes.<\/b> En ce qui concerne un pont sans fil \u00ab point \u00e0 point \u00bb, il est clair que les antennes doivent s'orienter l'une vers l'autre aussi pr\u00e9cis\u00e9ment que possible, \u00ab yeux dans les yeux \u00bb.<\/p>\n<p>Pour un pont Wi-Fi \u00ab point \u00e0 multipoint \u00bb \u2014 il faut d\u00e8s le d\u00e9part concevoir toute l'architecture depuis l'antenne sectorielle du fournisseur jusqu'aux antennes client, de mani\u00e8re \u00e0 ce qu'elles se croisent le plus pr\u00e9cis\u00e9ment possible.<\/p>\n<p><b>2. La pr\u00e9sence de bruit dans le canal.<\/b> Avant de choisir la fr\u00e9quence du pont Wi-Fi, il est essentiel de v\u00e9rifier chaque fr\u00e9quence pour identifier la pr\u00e9sence de bruit, en fonction de cette \u00e9valuation, optez pour la fr\u00e9quence la moins encombr\u00e9e.<br \/>\n<noindex><a rel=\"nofollow\" name=\"3\"><\/a><\/noindex><br \/>\n<b>3. Zone de Fresnel.<\/b><\/p>\n<h2>Zone de Fresnel \u2014 qu'est-ce que c'est ?<\/h2>\n<p>\nLa zone de Fresnel est le volume du canal radio entre deux antennes.<\/p>\n<p><img decoding=\"async\" alt=\"Qu&#039;est-ce que la zone de Fresnel et CCQ (Client Connection Quality) ou les facteurs fondamentaux d&#039;un pont sans fil de qualit\u00e9.\" src=\"\/wp-content\/uploads\/2019\/12\/dd9bd5cbb5f07626a66c6dd940cfee79.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nLe volume maximal du canal se trouve au point central entre les deux antennes. <\/p>\n<p>Pour un signal de qualit\u00e9 maximale, il est n\u00e9cessaire de choisir la zone la plus d\u00e9gag\u00e9e, tant des obstacles physiques que des interf\u00e9rences radio (comme mentionn\u00e9 au deuxi\u00e8me point).<br \/>\n<noindex><a rel=\"nofollow\" name=\"4\"><\/a><\/noindex><\/p>\n<h2>Comment calculer la zone de Fresnel ?<\/h2>\n<p>\n<b>Formule de calcul de la zone de Fresnel au point central :<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Qu&#039;est-ce que la zone de Fresnel et CCQ (Client Connection Quality) ou les facteurs fondamentaux d&#039;un pont sans fil de qualit\u00e9.\" src=\"\/wp-content\/uploads\/2019\/12\/d497f3b91ee4c4309c6aade984ac2538.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nD \u2014 distance (km)<br \/>\nf \u2014 fr\u00e9quence (GHz)<\/p>\n<p><b>Formule de calcul de la zone de Fresnel \u00e0 n'importe quel point, par exemple \u00e0 l'emplacement d'un obstacle :<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Qu&#039;est-ce que la zone de Fresnel et CCQ (Client Connection Quality) ou les facteurs fondamentaux d&#039;un pont sans fil de qualit\u00e9.\" src=\"\/wp-content\/uploads\/2019\/12\/711b65dcf74ea991eebe937777d3c460.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nf \u2014 fr\u00e9quence (GHz)<br \/>\nD1 \u2014 distance jusqu'au point de calcul souhait\u00e9, depuis la premi\u00e8re antenne (km)<br \/>\nD2 \u2014 distance jusqu'au point de calcul souhait\u00e9, depuis la deuxi\u00e8me antenne (km)<\/p>\n<p>En analysant soigneusement ces trois facteurs, vous obtiendrez un pont sans fil stable, avec la vitesse de transmission de donn\u00e9es maximale possible.<br \/>\n<br \/>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/480964\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435 CCQ \u2014 \u0447\u0442\u043e \u044d\u0442\u043e? \u0422\u0440\u0438 \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0445 \u0444\u0430\u043a\u0442\u043e\u0440\u0430 \u0432\u043b\u0438\u044f\u044e\u0449\u0438\u0435 \u043d\u0430 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u043e CCQ. \u0417\u043e\u043d\u0430 \u0424\u0440\u0435\u043d\u0435\u043b\u044f \u2014 \u0447\u0442\u043e \u044d\u0442\u043e? \u041a\u0430\u043a \u0440\u0430\u0441\u0441\u0447\u0438\u0442\u0430\u0442\u044c \u0437\u043e\u043d\u0443 \u0424\u0440\u0435\u043d\u0435\u043b\u044f? \u0412 \u0434\u0430\u043d\u043d\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u0445\u043e\u0447\u0443 \u043f\u043e\u0433\u043e\u0432\u043e\u0440\u0438\u0442\u044c \u043e \u0444\u0443\u043d\u0434\u0430\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u044b\u0445 \u0444\u0430\u043a\u0442\u043e\u0440\u0430\u0445 \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0433\u043e \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u043e\u0433\u043e \u043c\u043e\u0441\u0442\u0430, \u0442\u0430\u043a \u043a\u0430\u043a \u043c\u043d\u043e\u0433\u0438\u0435 \u00ab\u0441\u0435\u0442\u0435-\u0441\u0442\u0440\u043e\u0438\u0442\u0435\u043b\u0438\u00bb \u0441\u0447\u0438\u0442\u0430\u044e\u0442, \u0447\u0442\u043e \u0432\u043f\u043e\u043b\u043d\u0435 \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0431\u0443\u0434\u0435\u0442 \u043a\u0443\u043f\u0438\u0442\u044c \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0435 \u0441\u0435\u0442\u0435\u0432\u043e\u0435 \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u0435, \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u044c \u0438 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c 100% \u043e\u0442\u0434\u0430\u0447\u0443 \u043e\u0442 \u043d\u0438\u0445 \u2014 \u0447\u0442\u043e [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-54163","post","type-post","status-publish","format-standard","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435 CCQ \u2014 \u0447\u0442\u043e \u044d\u0442\u043e? 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