{"id":6391,"date":"2025-07-04T09:00:00","date_gmt":"2025-07-04T07:00:00","guid":{"rendered":"https:\/\/viva.racunalniske-novice.com\/kdo-si-lasti-svetovni-rekord-v-hitrosti-interneta\/"},"modified":"2025-07-04T09:00:00","modified_gmt":"2025-07-04T07:00:00","slug":"kdo-si-lasti-svetovni-rekord-v-hitrosti-interneta","status":"publish","type":"post","link":"https:\/\/viva.racunalniske-novice.com\/fr\/qui-detient-le-record-du-monde-de-vitesse-internet\/","title":{"rendered":"Qui d\u00e9tient le record du monde de vitesse Internet ?"},"content":{"rendered":"<p>Jusqu&#039;en juin de cette ann\u00e9e, le record mondial de d\u00e9bit internet \u00e9tait de 402 t\u00e9rabits par seconde (Tbps), soit 402\u00a0000\u00a0000 Mbit\/s, si le d\u00e9bit \u00e9tait annonc\u00e9 par les op\u00e9rateurs. Ce record a \u00e9t\u00e9 \u00e9tabli l&#039;ann\u00e9e derni\u00e8re par des chercheurs de l&#039;Institut national des technologies de l&#039;information et de la communication (NICT) du Japon. Il y a moins d&#039;un mois, ils ont r\u00e9ussi \u00e0 battre ce record d\u00e9j\u00e0 impressionnant.<\/p>\n\n\n\n<p>L&#039;\u00e9quipe du NICT, en collaboration avec Sumitomo Electric Industries, a r\u00e9ussi \u00e0 transmettre un incroyable d\u00e9bit de 8 160 000 gigabits (1,02 million de gigaoctets par seconde, soit 8 160 t\u00e9rabits par seconde) sur une distance de 1 808 kilom\u00e8tres.<\/p>\n\n\n\n<p>Il s&#039;agit de la premi\u00e8re transmission r\u00e9ussie \u00e0 des d\u00e9bits sup\u00e9rieurs \u00e0 1 p\u00e9tabit par seconde sur une distance de plus de 1\u00a0000 km, utilisant des fibres optiques de diam\u00e8tre de gaine standard (0,125 mm), comme celles utilis\u00e9es aujourd&#039;hui. Cette r\u00e9alisation ouvre de nouvelles perspectives pour les futures communications optiques longue distance hautes performances, essentielles \u00e0 l&#039;heure o\u00f9 les besoins mondiaux en mati\u00e8re de transmission de donn\u00e9es augmentent rapidement.<\/p>\n\n\n\n<p>Ils ont utilis\u00e9 des fibres optiques sp\u00e9ciales \u00e0 19 c\u0153urs, formant une autoroute de donn\u00e9es \u00e0 19 voies. Chaque c\u0153ur transmet les donn\u00e9es ind\u00e9pendamment, ce qui augmente consid\u00e9rablement le d\u00e9bit sans avoir \u00e0 modifier le diam\u00e8tre de la fibre. Pour amplifier les signaux, des amplificateurs optiques avanc\u00e9s ont \u00e9t\u00e9 utilis\u00e9s, fonctionnant simultan\u00e9ment sur tous les c\u0153urs et dans deux bandes de fr\u00e9quences (bande C et bande L).<\/p>\n\n\n\n<p>L&#039;ensemble du syst\u00e8me comprenait 19 boucles de transmission circulaires, \u00e0 travers lesquelles les donn\u00e9es ont voyag\u00e9 21 fois sur une boucle de 86,1 kilom\u00e8tres, simulant de longues distances et atteignant un total de 1 808 km, soit approximativement la distance de Ljubljana \u00e0 Naples et retour.<\/p>\n\n\n\n<p>Bien que des d\u00e9bits de l&#039;ordre du p\u00e9tabit par seconde aient \u00e9t\u00e9 atteints, ils se limitaient g\u00e9n\u00e9ralement \u00e0 de courtes distances. Le succ\u00e8s de NICT r\u00e9side dans le fait qu&#039;en r\u00e9duisant les pertes et en amplifiant pr\u00e9cis\u00e9ment les signaux, ils ont pu maintenir des d\u00e9bits \u00e9lev\u00e9s sur une longueur de pr\u00e8s de 2\u00a0000 km. Le r\u00e9sultat final a \u00e9t\u00e9 un rapport capacit\u00e9\/distance record\u00a0: 1,86 exabit par seconde-kilom\u00e8tre, le d\u00e9bit le plus \u00e9lev\u00e9 jamais atteint avec une fibre de calibre standard.<\/p>\n\n\n\n<p>La partie r\u00e9ceptrice du syst\u00e8me \u00e9tait constitu\u00e9e d&#039;un r\u00e9cepteur \u00e0 19 canaux avec un processeur MIMO, qui \u00e9liminait en permanence les interf\u00e9rences mutuelles entre les c\u0153urs et calculait la vitesse de transmission.<\/p>\n\n\n\n<p>Cette avanc\u00e9e ouvre la voie \u00e0 la modernisation des r\u00e9seaux optiques mondiaux existants sans remplacement d&#039;infrastructure. Auparavant, les fibres \u00e0 19 c\u0153urs ne pouvaient transporter des donn\u00e9es que sur des distances inf\u00e9rieures \u00e0 100 km. Aujourd&#039;hui, les NICT d\u00e9montrent qu&#039;avec des c\u0153urs renforc\u00e9s et un traitement avanc\u00e9 du signal, il est possible de r\u00e9aliser des r\u00e9seaux ultra-rapides et longue distance, m\u00eame avec des dimensions de fibre standard.<\/p>","protected":false},"excerpt":{"rendered":"<p>Do junija letos je bil svetovni rekord hitrosti interneta 402 terabita na sekundo (Tbps) oziroma 402.000.000 Mbps, \u010de bi hitrost ogla\u0161evali operaterji. Rekord so lansko leto postavili raziskovalci japonskega Nacionalnega in\u0161tituta za informacijsko in komunikacijsko tehnologijo (NICT). Pred slabim mesecem pa jim je uspelo podreti svoj \u017ee tako impresiven rekord. Ekipa NICT je v sodelovanju [&hellip;]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4,8],"tags":[266,394],"class_list":["post-6391","post","type-post","status-publish","format-standard","hentry","category-racunalnistvo-telefonija","category-zivljenjski-slog","tag-brezzicni-internet","tag-satelitski-internet"],"acf":{"subtitle":"","heading":"","summary":"","thumbnail_small":"https:\/\/racunalniske-novice.com\/wp-content\/uploads\/2025\/07\/denny-muller-JyRTi3LoQnc-unsplash-560x315.jpg","thumbnail_large":"https:\/\/racunalniske-novice.com\/wp-content\/uploads\/2025\/07\/denny-muller-JyRTi3LoQnc-unsplash-1024x683.jpg","thumbnail_caption":"","gallery":"","video_gallery":null,"author":"","links":null,"sources":null,"skip_language":[]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Kdo si lasti svetovni rekord v hitrosti interneta? - Ra\u010dunalni\u0161ke novice<\/title>\n<meta name=\"description\" content=\"Do junija letos je bil svetovni rekord hitrosti interneta 402 terabita na sekundo (Tbps) oziroma 402.000.000 Mbps, \u010de bi hitrost ogla\u0161evali operaterji. 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