[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.gartier.sk\/zabudnite-na-wi-fi-prichadza-li-fi\/#Article","mainEntityOfPage":"https:\/\/www.gartier.sk\/zabudnite-na-wi-fi-prichadza-li-fi\/","headline":"Zabudnite na Wi-fi! Prich\u00e1dza Li-fi","name":"Zabudnite na Wi-fi! Prich\u00e1dza Li-fi","description":"Pre mnoh\u00fdch z n\u00e1s je tento v\u00fdraz ur\u010dite ve\u013ekou nezn\u00e1mou, no tak ako wi-fi u\u017e zaujalo miesto v na\u0161om slovn\u00edku, aj v\u00fdraz \u201eli-fi\u201c, teda light fidelity,sa onedlho stane jeho s\u00fa\u010das\u0165ou. V s\u00fa\u010dasnosti si u\u017e zabezpe\u010duje svoje pevn\u00e9 postavenie v digit\u00e1lnej komunik\u00e1cii. Li-fi uzrelo svetlo sveta v roku 2011 au\u017e o rok nesk\u00f4r, v roku 2012,vznikla spolo\u010dnos\u0165 Pure Lifi, ktorej \u00falohou […]","datePublished":"2018-08-24","dateModified":"2018-08-24","author":{"@type":"Person","@id":"https:\/\/www.gartier.sk\/author\/#Person","name":"","url":"https:\/\/www.gartier.sk\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/cfe4dae5aaf43720425415780408681beb9b9a829e9a657295ed1cacce5febc2?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/cfe4dae5aaf43720425415780408681beb9b9a829e9a657295ed1cacce5febc2?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"gartier.sk","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.gartier.sk\/wp-content\/uploads\/img_a290199_w16518_t1534261608.jpg","url":"https:\/\/www.gartier.sk\/wp-content\/uploads\/img_a290199_w16518_t1534261608.jpg","height":0,"width":0},"url":"https:\/\/www.gartier.sk\/zabudnite-na-wi-fi-prichadza-li-fi\/","wordCount":432,"articleBody":" Pre mnoh\u00fdch z n\u00e1s je tento v\u00fdraz ur\u010dite ve\u013ekou nezn\u00e1mou, no tak ako wi-fi u\u017e zaujalo miesto v na\u0161om slovn\u00edku, aj v\u00fdraz \u201eli-fi\u201c, teda light fidelity,sa onedlho stane jeho s\u00fa\u010das\u0165ou. V s\u00fa\u010dasnosti si u\u017e zabezpe\u010duje svoje pevn\u00e9 postavenie v digit\u00e1lnej komunik\u00e1cii. Li-fi uzrelo svetlo sveta v roku 2011 au\u017e o rok nesk\u00f4r, v roku 2012,vznikla spolo\u010dnos\u0165 Pure Lifi, ktorej \u00falohou bolo t\u00fato formu komunik\u00e1cie zavies\u0165 do be\u017enej praxe.Tento sp\u00f4sob komunik\u00e1cie pracuje na z\u00e1klade nevidite\u013en\u00e9ho, vysokofrekven\u010dn\u00e9ho blikania LED \u017eiaroviek, v\u010faka \u010domu s\u00fa pren\u00e1\u0161an\u00e9 data. Tvarom s\u00fa podobn\u00e9 klasick\u00fdm \u017eiarovk\u00e1m, ktor\u00e9 pozn\u00e1me. V\u00fdhodou je, \u017ee sa daj\u00fa sa pou\u017ei\u0165 aj na datov\u00e9 prenosy. Data, pren\u00e1\u0161an\u00e9 t\u00fdmto sp\u00f4sobom, s\u00fa bin\u00e1rne zak\u00f3dovan\u00e9, to znamen\u00e1, \u017ee zapnut\u00e9 s\u00fa vtedy, ak \u017eiarovky vy\u0161l\u00fa sign\u00e1l s \u010d\u00edslom jeden a v opa\u010dnom pr\u00edpade, ke\u010f vy\u0161l\u00fa nulu, tak s\u00fa vypnut\u00e9. LED \u017eiarovky s\u00fa v tomto pr\u00edpade vhodnou vo\u013ebou, preto\u017ee pr\u00e1ve ony dok\u00e1\u017eu zabezpe\u010di\u0165 frekvenciu blikania a\u017e mili\u00f3nkr\u00e1t za sekundu. Negat\u00edva  Hlavnou prek\u00e1\u017ekou prenosov Li-fi technol\u00f3giou s\u00fa steny, cez ne nedok\u00e1\u017eu hackeri prejs\u0165, no a \u010fal\u0161ou nev\u00fdhodou je, \u017ee pri prenose mus\u00ed nepretr\u017eite svieti\u0165 svetlo. Tu je jednoduch\u00fd pr\u00edklad: li-fi nie je vhodn\u00e9 pou\u017e\u00edva\u0165, ak chcete sledova\u0165 filmy stremovan\u00e9 v pr\u00edtm\u00ed, ale zasa obrovsk\u00fdm plusom tohto syst\u00e9mu je neporovnate\u013ene vy\u0161\u0161ia r\u00fdchlos\u0165 ako m\u00e1 klasick\u00e9 wi-fi.Na\u010do n\u00e1m vlastne bude? No teraz d\u00e1me zabra\u0165 va\u0161ej fant\u00e1zii. Sk\u00faste si predstavi\u0165, \u017ee verejn\u00e9 osvetlenie o nieko\u013eko rokov nebude plni\u0165 len jednu funkciu, svieti\u0165, ale takisto bude ma\u0165 funkciu ak\u00e9hosi hot spotu. Zd\u00e1 sa v\u00e1m to nepravdepodobn\u00e9? Tento syst\u00e9m m\u00e1 dokonca amb\u00edcie uplatni\u0165 sa aj v medic\u00edne a to konkr\u00e9tne v mo\u017enosti vyu\u017eitia ako kompenz\u00e1ciu preru\u0161en\u00fdch nervov \u010dloveka. Druhou mo\u017enos\u0165ou je pou\u017ei\u0165 ho do svetiel automobilov, \u010d\u00edm by sa dala sprostredkova\u0165 komunik\u00e1cia car2car. U\u017e na z\u00e1klade t\u00fdchto pr\u00edkladov je n\u00e1m jasn\u00e9, \u017ee sa \u010drtaj\u00fa \u0161irok\u00e9 mo\u017enosti a mnoho oblast\u00ed, v ktor\u00fdch je vyu\u017eitie tejto digit\u00e1lnej komunik\u00e1cie mo\u017en\u00e9, no odpove\u010f na tieto ot\u00e1zky, kde v\u0161ade sa bude da\u0165 tento prenos d\u00e1t pou\u017ei\u0165, n\u00e1m v\u0161ak d\u00e1 a\u017e bud\u00facnos\u0165.                                                                                                                                                                                                                                                                                                                                                                                        4.7\/5 - (6 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Zabudnite na Wi-fi! Prich\u00e1dza Li-fi","item":"https:\/\/www.gartier.sk\/zabudnite-na-wi-fi-prichadza-li-fi\/#breadcrumbitem"}]}]