{"id":4593,"date":"2014-03-30T13:29:28","date_gmt":"2014-03-30T13:29:28","guid":{"rendered":"https:\/\/plumconsulting.co.uk\/?p=4593"},"modified":"2019-04-11T14:14:48","modified_gmt":"2019-04-11T14:14:48","slug":"etudes-dinterference-dans-la-bande-des-23-ghz","status":"publish","type":"post","link":"https:\/\/plumconsulting.co.uk\/fr\/etudes-dinterference-dans-la-bande-des-23-ghz\/","title":{"rendered":"\u00c9tudes d\u2019interf\u00e9rence dans la bande des 2,3 GHz"},"content":{"rendered":"<p>Le minist\u00e8re britannique de la D\u00e9fense (MOD) examine les incidences de la lib\u00e9ration de spectre \u00e0 destination des bandes de 2,3\u00a0GHz. Il s\u2019agit non seulement de reprogrammer l\u2019usage des fr\u00e9quences des syst\u00e8mes actuels et futurs utilis\u00e9s par le MOD, mais aussi de tenir compte du risque de d\u2019interf\u00e9rence caus\u00e9 \u00e0 et par ces syst\u00e8mes par rapport \u00e0 l\u2019utilisation pr\u00e9vue du spectre lib\u00e9r\u00e9, \u00e0 savoir le LTE. Les pr\u00e9sentes \u00e9tudes ont fourni des renseignements utiles en la mati\u00e8re. Une partie de l\u2019analyse a port\u00e9 sur le brouillage dans le m\u00eame canal, par rapport \u00e0 quelques sites qui pourraient continuer \u00e0 fonctionner dans la bande. Toutefois, la plupart des analyses ont port\u00e9 sur les op\u00e9rations dans le canal adjacent, en se concentrant sur les divers m\u00e9canismes d\u2019interf\u00e9rence qui peuvent se produire et les mesures d\u2019att\u00e9nuation susceptibles d\u2019\u00eatre mises en place.<\/p>\n<p>En particulier, des mod\u00e9lisations ont \u00e9t\u00e9 entreprises pour examiner l\u2019impact des \u00e9metteurs des stations de base LTE et des terminaux d\u2019utilisateur sur les r\u00e9seaux sans fil WLAN et les liaisons vid\u00e9o sans fil (WVL) fonctionnant dans la bande 2,3\u00a0GHz.<\/p>\n<p>La premi\u00e8re \u00e9tude a port\u00e9 sur l\u2019impact d\u2019interf\u00e9rences dans les bandes adjacentes caus\u00e9s par les stations de base LTE et les terminaux utilisateurs fonctionnant dans la bande 2\u00a0340-2\u00a0390\u00a0MHz sur les r\u00e9cepteurs WLAN fonctionnant dans la bande 2\u00a0400-2\u00a0483,5\u00a0MHz. Les r\u00e9sultats des mesures du rapport de protection dans diff\u00e9rentes bandes de garde ont \u00e9t\u00e9 incorpor\u00e9s dans la mod\u00e9lisation, qui comprenait des sc\u00e9narios statistiques statiques simples et d\u00e9taill\u00e9s simul\u00e9s \u00e0 l\u2019aide de l\u2019outil d\u2019analyse d\u2019interf\u00e9rence SEAMCAT de la CEPT.<\/p>\n<p>La deuxi\u00e8me \u00e9tude a analys\u00e9 les implications de l\u2019interf\u00e9rence dans le m\u00eame canal et dans le canal adjacent caus\u00e9 par le LTE (fonctionnant dans la bande 2\u00a0350-2\u00a0390\u00a0MHz) sur un \u00e9chantillon de r\u00e9cepteurs WVL (fonctionnant dans la bande inf\u00e9rieure \u00e0 2\u00a0360\u00a0MHz). L\u2019analyse a utilis\u00e9 les masques d\u2019\u00e9mission des stations de base et des terminaux utilisateur LTE ainsi que les donn\u00e9es sur la s\u00e9lectivit\u00e9 de la bande adjacente des r\u00e9cepteurs WVL. Une s\u00e9rie de sc\u00e9narios hypoth\u00e9tiques ont \u00e9t\u00e9 envisag\u00e9s en vue d\u2019examiner l\u2019impact des variations du pointage de l\u2019antenne de l\u2019\u00e9metteur, de la bande de garde, des mod\u00e8les d\u2019affaiblissement de propagation et des seuils d\u2019interf\u00e9rence du r\u00e9cepteur.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le minist\u00e8re britannique de la D\u00e9fense (MOD) examine les incidences de la lib\u00e9ration de spectre \u00e0 destination des bandes de 2,3\u00a0GHz. Il s\u2019agit non seulement de reprogrammer l\u2019usage des fr\u00e9quences des syst\u00e8mes actuels et futurs utilis\u00e9s par le MOD, mais aussi de tenir compte du risque de d\u2019interf\u00e9rence caus\u00e9 \u00e0 et par ces syst\u00e8mes par<a href=\"https:\/\/plumconsulting.co.uk\/fr\/etudes-dinterference-dans-la-bande-des-23-ghz\/\">[&#8230;]<\/a><\/p>\n","protected":false},"author":28,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[164,165],"tags":[204,208],"class_list":["post-4593","post","type-post","status-publish","format-standard","hentry","category-gestion-du-spectre","category-ingenierie-radio","tag-interference-analysis-fr","tag-mobile-broadband-fr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00c9tudes d\u2019interf\u00e9rence dans la bande des 2,3 GHz - Plum Consulting<\/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:\/\/plumconsulting.co.uk\/fr\/etudes-dinterference-dans-la-bande-des-23-ghz\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00c9tudes d\u2019interf\u00e9rence dans la bande des 2,3 GHz - Plum Consulting\" \/>\n<meta property=\"og:description\" content=\"Le minist\u00e8re britannique de la D\u00e9fense (MOD) examine les incidences de la lib\u00e9ration de spectre \u00e0 destination des bandes de 2,3\u00a0GHz. Il s\u2019agit non seulement de reprogrammer l\u2019usage des fr\u00e9quences des syst\u00e8mes actuels et futurs utilis\u00e9s par le MOD, mais aussi de tenir compte du risque de d\u2019interf\u00e9rence caus\u00e9 \u00e0 et par ces syst\u00e8mes par[...]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/plumconsulting.co.uk\/fr\/etudes-dinterference-dans-la-bande-des-23-ghz\/\" \/>\n<meta property=\"og:site_name\" content=\"Plum Consulting\" \/>\n<meta property=\"article:published_time\" content=\"2014-03-30T13:29:28+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-04-11T14:14:48+00:00\" \/>\n<meta name=\"author\" content=\"Aude Schoentgen\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@plumconsulting\" \/>\n<meta name=\"twitter:site\" content=\"@plumconsulting\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Aude Schoentgen\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/plumconsulting.co.uk\/fr\/etudes-dinterference-dans-la-bande-des-23-ghz\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/plumconsulting.co.uk\/fr\/etudes-dinterference-dans-la-bande-des-23-ghz\/\"},\"author\":{\"name\":\"Aude Schoentgen\",\"@id\":\"https:\/\/plumconsulting.co.uk\/#\/schema\/person\/1dd5d6847fe90aa47c618052cb5b1a1c\"},\"headline\":\"\u00c9tudes d\u2019interf\u00e9rence dans la bande des 2,3 GHz\",\"datePublished\":\"2014-03-30T13:29:28+00:00\",\"dateModified\":\"2019-04-11T14:14:48+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/plumconsulting.co.uk\/fr\/etudes-dinterference-dans-la-bande-des-23-ghz\/\"},\"wordCount\":435,\"keywords\":[\"Interference analysis\",\"Mobile broadband\"],\"articleSection\":[\"Gestion du spectre\",\"Ing\u00e9nierie radio\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/plumconsulting.co.uk\/fr\/etudes-dinterference-dans-la-bande-des-23-ghz\/\",\"url\":\"https:\/\/plumconsulting.co.uk\/fr\/etudes-dinterference-dans-la-bande-des-23-ghz\/\",\"name\":\"\u00c9tudes d\u2019interf\u00e9rence dans la bande des 2,3 GHz - 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