{"id":52139,"date":"2019-11-01T00:00:00","date_gmt":"2019-10-31T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/mirovoj-rekord-besprovodnoj-peredachi-dannyh-40-gbit-s-na-11-kilometrov"},"modified":"2020-02-18T13:59:48","modified_gmt":"2020-02-18T10:59:48","slug":"mirovoj-rekord-besprovodnoj-peredachi-dannyh-40-gbit-s-na-11-kilometrov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/mirovoj-rekord-besprovodnoj-peredachi-dannyh-40-gbit-s-na-11-kilometrov","title":{"rendered":"Maailmarekord traadita andmeside edastamises: 40 Gbit\/s 11 km kaugusel.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Augustis 2019. aastal viidi Venemaal esmakordselt maailmas (jah, see on t\u00f5si) l\u00e4bi kommertsprojekt, mis h\u00f5lmas 40 Gbit\/s mahutavusega traadita reservi loomist peamise optilise kaabli jaoks. Operaator \"\u00dchtsus\", Norilsk Nickel alla ettev\u00f5te, kasutas sellist kanalit 11 km traadita varundamise loomiseks l\u00e4bi Jenissei. <noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<p><img decoding=\"async\" alt=\"Maailmarekord traadita andmeside edastamises: 40 Gbit\/s 11 km kaugusel.\" src=\"\/wp-content\/uploads\/2019\/11\/954e0d901d0ab0651bb3b8860820669f.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nAeg-ajalt ilmuvad meedias, sealhulgas Habras, <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/news\/t\/394597\/\">m\u00e4rkmed traadita kommunikatsiooni maailmarekorditest<\/a><\/noindex>. Need on huvitavad tehnoloogiate arengu seisukohalt, kuid need on alati uuringute testid. Siin on aga tegemist t\u00f5elise kommertsprojektiga, ja mitte Silicon Valley v\u00f5i Euroopa \u00fclikooli tingimustes, vaid otse polaarjoone taga. Kuidas see ka ei tundu uskumatu, on just selle maa ulatus, keerulised maastiku- ja kliimatingimused loonud eeldused projektide jaoks, mis toovad kasu parimatest teaduslaboritest.<\/p>\n<blockquote><p>Viimaste traadita side rekordite ajakava:<\/p>\n<ul>\n<li><b>Mai 2013<\/b>, <noindex><a rel=\"nofollow\" href=\"https:\/\/phys.org\/news\/2013-05-gbits-ghz-world-wireless-transmission.html\">40 Gbit\/s 1 km<\/a><\/noindex> eksperimentaalsel sagedusel 240 GHz koost\u00f6\u00f6s Karlsruhe Tehnoloogiainstituudi teadlaste, Radiometer Physics GmbH ja Fraunhoferi rakendusf\u00fc\u00fcsika instituudiga. Signaali sagedus ei ole kommertslikuks kasutamiseks saadaval.<\/li>\n<li><b>Mai 2016<\/b>: <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/news\/t\/394597\/\">6 Gbit\/s 37 km<\/a><\/noindex> sagedusvahemikus 70\/80 GHz, sama meeskond, kuid uue eksperimendina sagedustel, mis on eraldatud kommertsprojektide jaoks.<\/li>\n<li><b>November 2016<\/b>: <noindex><a rel=\"nofollow\" href=\"http:\/\/\">20 Gbit\/s 13 km<\/a><\/noindex>, Facebooki Connectivity Labi teaduslik keskus,<\/li>\n<li><b>Jaanuar 2019<\/b>, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.ericsson.com\/en\/press-releases\/2019\/1\/deutsche-telekom-and-ericsson-achieve-fiber-like-results-with-wireless-backhaul\">40 Gbit\/s 1,4 km<\/a><\/noindex>, Deutsche Telekomi testimisplatsil seeriavarustuse Ericssoniga, mais 2019 sama l\u00f5ppu suurendamine juba 8 j\u00e4rjestikune andis umbes 100 Gbit\/s.<\/li>\n<li><b>August 2019<\/b>, <noindex><a rel=\"nofollow\" href=\"https:\/\/lenta.ru\/news\/2019\/08\/21\/wireless\/\">40 Gbit\/s 11 km<\/a><\/noindex>, Norilsk operaator \"\u00dchtsus\" seeriavarustuse O\u00dc \"DOK\" (Peterburi) abil.<\/li>\n<\/ul>\n<\/blockquote>\n<p>\nKuna teistsuguseid t\u00e4hendusi ei oleks, ei oleks ka polaarpiirkondades mingeid reklaame traadita side kohta, kui mitte p\u00fc\u00fcdma j\u00e4\u00e4karu Enisey'l. Projekti eelmised s\u00fcndmused on sellised - 2017. aastal, p\u00e4rast seda, kui \"suure kolmik\" operaatorid keeldusid side arendamisest Taimyra suunal, ehitas Aktsiaselts \"GMK Norilsk Nickel\" oma vahenditest tohutu (956 km) kiudoptilise v\u00f5rgustiku (WOLS) laiendusega Urenge uue ja Norilskini, mille mahutavus on 40 Gbit\/s. See on t\u00f5eliselt keeruline marsruut, mis kulgeb raskesti l\u00e4bitavates piirkondades, ja selle ehitajad said selle t\u00f6\u00f6 eest valitsuse auhindu.<\/p>\n<p>\u00dcheks probleemiks kasutamisel on 40-giabitise WOLS kaabli \u00fclekandmine Enisey'l, kus bridge puudub, tuli see magevee p\u00f5hja, ja usaldusv\u00e4\u00e4rsuse tagamiseks pandi mitmeid kaableid. Kuid j\u00e4\u00e4karudele on kerge kahjustada. Kuid Enisey j\u00e4\u00e4karu ei ole \u00fcritus, mis kestab ainult \u00fche p\u00e4eva, ja vee peal ei tohi mingit remonti kanda, kuna inimesed on k\u00f5rgel ohu tasemel. <\/p>\n<p>Lisaks t\u00e4iendavatele kaablitele Enisey p\u00f5hjas, broneeriti marsruut 1 Gbit\/s traadita raadiolinkiga side torne m\u00f5lemal pool j\u00f5ge, Igarkas ja Priluki k\u00fclas (see raadiokanal on n\u00e4htav \u00fclemisel pildil - suur taldrik). Kuid mis on 1 Gbit\/s, et varustada kogu Norilski t\u00f6\u00f6stuspiirkonda optika kahjustamisel... - pisarad. Seet\u00f5ttu alustas Norilski operaator \"\u00dchtsus\", mis kuulub Aktsiaselts \"GMK Norilsk Nickel\" struktuuri, 2018-2019 s\u00fcgis-talvisel perioodil projektit\u00f6\u00f6d traadita kanali ehitamiseks Enisey'l, mille mahutavus on v\u00f5rdne WOLS-ga. <\/p>\n<p>\u00dcllatuseks spetsialistidele \u201e\u00dchtsus\u201c ei aktsepteerinud \u00fchegi maailma telekommunikatsiooni kaubam\u00e4rgi pakkumisi 40 Gbit\/s traadita kanali varustuse tarnimiseks 11 km ulatuses. Probleem on just keerulises kombinatsioonis kanali k\u00f5rgest mahust ja ulatusest. Kaasaegne seeriate varustus, mille maht on 10 Gbit\/s ja rohkem 70\/80 GHz sagedusalas, on piiratud ulatusega. See tuleneb sellest, et keerukate kodeerimisskeemide, nagu QAM128 v\u00f5i QAM256, kasutamisel - mis suudavad anda l\u00e4bilaskvuse 10 Gbit\/s ja rohkem - on raske tagada mingitki signaaliv\u00f5imsuse taset. 3-5 km kaugused on kergesti saavutatavad, kuid 11 km juures muutub signaali h\u00e4\u00e4bumine liiga suureks ja mingitki 10GE standardit ei suudeta saavutada. <\/p>\n<p>V\u00e4ljakutse v\u00f5ttis vastu kodumaine arendaja Peterburist - <noindex><a rel=\"nofollow\" href=\"http:\/\/dokltd.ru\/\">ettev\u00f5te DOK<\/a><\/noindex>. Neil olid juba raadiosildade arendused, mis tagasid vajaliku ulatuse. Enne seda projekti testisid nad 40 Gbit\/s kanalit, kasutades 4 paralleelselt t\u00f6\u00f6tavat raadiosilda, millest iga\u00fche mahutavus oli 10 Gbit\/s, oma 4 km testimisseeral, ja nad olid kindlad, et sellise l\u00e4bilaskev\u00f5ime saavutamine on v\u00f5imalik. Kuid praktikas ei ole keegi telekommunikatsioonit\u00f6\u00f6stuses kunagi proovinud paigaldada koos 4 paralleelselt t\u00f6\u00f6tavat raadiosilda 10 Gbit\/s ulatuses 11 km. <\/p>\n<p> <img decoding=\"async\" alt=\"Maailmarekord traadita andmeside edastamises: 40 Gbit\/s 11 km kaugusel.\" src=\"\/wp-content\/uploads\/2019\/11\/10bbb57f000d215286e2172169977f33.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nSaades keeldumisi maailma kaubam\u00e4rkidelt, ei olnud tellija, kelleks oli O\u00dc \u201e\u00dchtsus\u201c, samuti kindel, et kodumaine varustus suudab projekti t\u00e4ita. Seet\u00f5ttu otsustati alguses paigaldada pilootprojektina vaid \u00fcks raadisild 10 Gbit\/s ulatuses 11 km. Ja kui see t\u00f5estab end hea kvaliteediga, siis laiendatakse \u00fclesannet 4 paralleelselt t\u00f6\u00f6tava raadiosildani. <\/p>\n<p><img decoding=\"async\" alt=\"Maailmarekord traadita andmeside edastamises: 40 Gbit\/s 11 km kaugusel.\" src=\"\/wp-content\/uploads\/2019\/11\/8d572ba46bf36102132fc8eab4500803.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Maailmarekord traadita andmeside edastamises: 40 Gbit\/s 11 km kaugusel.\" src=\"\/wp-content\/uploads\/2019\/11\/66cf9992fddb577bfb58436196b372e9.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Maailmarekord traadita andmeside edastamises: 40 Gbit\/s 11 km kaugusel.\" src=\"\/wp-content\/uploads\/2019\/11\/da5e4d133a67bca0b57b7c9acdb39438.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<blockquote><p>Tehnilisest vaatenurgast pole sugugi vajalik edastada 40 Gbit\/s \u00fches kanalis, olgu siis \u00f5hu kaudu v\u00f5i kiudoptilise kaabli kaudu. Andmete edastamine mitme paralleelse \u201eniidi\u201c kaudu, mille maht on 10 Gbit\/s, on m\u00e4rksa lihtsam. 10GE standardi v\u00f5rguseade on odavam ja h\u00f5lpsamini saadaval kui 40GE standardi l\u00fclitid. Lisaks annavad paralleelsed \u201eniidid\u201c kogu kanali jaoks suurema usaldusv\u00e4\u00e4rsuse. <\/p><\/blockquote>\n<p>\nKuid probleem seisnes selles, et erinevalt optilisest kaablitest, kus signaal paralleelsetes kiududes ei m\u00f5juta \u00fcksteist, esinevad raadiokanalites vastastikused h\u00e4ired, mis v\u00f5ivad p\u00f5hjustada t\u00e4ieliku sidekatkestuse. Sellega v\u00f5ideldakse, kasutades erinevaid signaalipolarisatsioone ja jaotades signaale sageduse j\u00e4rgi. Kuid seda on lihtsam \u00f6elda, kui ellu viia \"rauda\". Peterburi spetsialistid l\u00f5id suurtel mikrolaineintegratsioonikiipidel (MMIC, Monolithic Microwave Integrated Circuit), mis p\u00f5hinevad gaasarseniidil, ja uskusid oma skeemilahendusse.<\/p>\n<p>\u201eMoodsaid 10GE raadiosilde toodetakse kogu maailmas ostetud mikrolainekiipide baasil. Selles valdkonnas on ebaefektiivne teostada vertikaalselt integreeritud arendust, kus k\u00f5ik tehnoloogilised protsessid viiakse l\u00e4bi \u00fches firmas \u2014 alates mikrolainekiipide katmisest kuni komponentide kokkupanekuni valmistootele. See on umbes sama, nagu paljud ettev\u00f5tted valmistavad arvutiplaate Intel ja AMD kiipide baasil. Kuid erinevalt massilistest lauaplaatidest vajavad mikrolainekiipide seadistamine, signaalide v\u00f5imendamine ja selle saatmine antenni jaoks erilist ekspertiisi ning see, tegelikult, ongi ettev\u00f5tte Noh-Kau teema,\u201c kommenteeris Valeriy Salomatov, O\u00dc \u201eDOK\u201c projektijuht.<\/p>\n<p>10 Gbit\/s mudel PPC-10G-E-HP pilootraadiomoodul t\u00f6\u00f6tab edukalt paar kuud Yenisei kallastel (mai-juuni 2019). Suvised vihmad on k\u00f5ige keerulisem aeg millimeeterlainete raadiokommunikatsiooniks, kuna vihmapiiskade suurus v\u00f5rreldes lainepikkusega (umbes 4 mm) p\u00f5hjustab signaali n\u00f5rgenemist. Talvel seda probleemi ei esine, kuna lumehelbed, samuti udu ja suits, on raadiol\u00e4bipaistvad 70\/80 GHz vahemikus.<\/p>\n<p><img decoding=\"async\" alt=\"Maailmarekord traadita andmeside edastamises: 40 Gbit\/s 11 km kaugusel.\" src=\"\/wp-content\/uploads\/2019\/11\/9da8e10aab4d2e6c173fbc1b4986c0bc.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Maailmarekord traadita andmeside edastamises: 40 Gbit\/s 11 km kaugusel.\" src=\"\/wp-content\/uploads\/2019\/11\/9cda146d363d534a1b93551a500a4fab.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\nO\u00dc \u201eDOK\u201c 10 Gbit\/s raadiomoodul suutis toime tulla ilmastikuolude ja kaugusega, p\u00e4rast mida v\u00f5ttis operaator \u201eEedinstvo\u201c vastavalt sidekanali k\u00e4ttesaadavuse statistikale vastu otsuse skaleerida 4 paralleelseks juhtmevabaks kanaliks, iga\u00fche mahutavus 10GE. Paigaldust viisid l\u00e4bi ettev\u00f5tte \u201eEedinstvo\u201c spetsialistid, kes m\u00f5istsid seadmete seadistamise detaile ise vastavalt juhistele. Juuli l\u00f5pus 2019. <br \/>\n40 Gbit\/s (4x 10 Gbit\/s) Yenisei \u00fcle v\u00f5eti tootmisse kohalolekuga O\u00dc \u201eDOK\u201c pealekandmisr\u00fchma.<br \/>\n<br \/>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/467753\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u0430\u0432\u0433\u0443\u0441\u0442\u0435 2019 \u0433\u043e\u0434\u0430 \u0432 \u0420\u043e\u0441\u0441\u0438\u0438 \u0432\u043f\u0435\u0440\u0432\u044b\u0435 \u0432 \u043c\u0438\u0440\u0435 (\u0414\u0430, \u044d\u0442\u043e \u043f\u0440\u0430\u0432\u0434\u0430) \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u043b\u0438 \u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0438\u0439 \u043f\u0440\u043e\u0435\u043a\u0442 \u043f\u043e \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u043e\u043c\u0443 \u0440\u0435\u0437\u0435\u0440\u0432\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044e \u043c\u0430\u0433\u0438\u0441\u0442\u0440\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u043e\u043f\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u043a\u0430\u0431\u0435\u043b\u044f \u0435\u043c\u043a\u043e\u0441\u0442\u044c\u044e 40 \u0413\u0431\u0438\u0442\/\u0441. \u041e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 \u00ab\u0415\u0434\u0438\u043d\u0441\u0442\u0432\u043e\u00bb, \u0434\u043e\u0447\u0435\u0440\u043d\u044f\u044f \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f \u041d\u043e\u0440\u043d\u0438\u043a\u0435\u043b\u044f, \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u0442\u0430\u043a\u043e\u0433\u043e \u043a\u0430\u043d\u0430\u043b\u0430 \u043f\u0440\u043e\u0431\u0440\u043e\u0441\u0438\u043b\u0430 11-\u043a\u0438\u043b\u043e\u043c\u0435\u0442\u0440\u043e\u0432\u044b\u0439 \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u043e\u0439 \u0431\u044d\u043a\u0430\u043f \u0447\u0435\u0440\u0435\u0437 \u0415\u043d\u0438\u0441\u0435\u0439. \u041f\u0435\u0440\u0438\u043e\u0434\u0438\u0447\u0435\u0441\u043a\u0438 \u0432 \u043f\u0440\u0435\u0441\u0441\u0435, \u0438 \u043d\u0430 \u0425\u0430\u0431\u0440\u0435 \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435, \u043f\u043e\u044f\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u0437\u0430\u043c\u0435\u0442\u043a\u0438 \u043e \u043c\u0438\u0440\u043e\u0432\u044b\u0445 \u0440\u0435\u043a\u043e\u0440\u0434\u0430\u0445 \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u043e\u0439 \u0441\u0432\u044f\u0437\u0438. [&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-52139","post","type-post","status-publish","format-standard","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u0430\u0432\u0433\u0443\u0441\u0442\u0435 2019 \u0433\u043e\u0434\u0430 \u0432 \u0420\u043e\u0441\u0441\u0438\u0438 \u0432\u043f\u0435\u0440\u0432\u044b\u0435 \u0432 \u043c\u0438\u0440\u0435 (\u0414\u0430, \u044d\u0442\u043e \u043f\u0440\u0430\u0432\u0434\u0430) \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u043b\u0438 \u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0438\u0439 \u043f\u0440\u043e\u0435\u043a\u0442 \u043f\u043e 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