{"id":7937,"date":"2022-04-09T19:18:03","date_gmt":"2022-04-09T16:18:03","guid":{"rendered":"https:\/\/kutaybilen.com.tr\/?p=7937"},"modified":"2022-04-09T19:18:03","modified_gmt":"2022-04-09T16:18:03","slug":"sokak-lambasiyla-internet-temasi-sunan-teknoloji-lo-fi","status":"publish","type":"post","link":"https:\/\/kutaybilen.com.tr\/?p=7937","title":{"rendered":"Sokak Lambas\u0131yla \u0130nternet Temas\u0131 Sunan Teknoloji: Lo-Fi"},"content":{"rendered":"<p>\u015eayet ki bu maksad\u0131 \u00f6n\u00fcm\u00fczdeki birka\u00e7 y\u0131l i\u00e7erisinde 10 milyarlarca ayg\u0131t\u0131 kapsayacak objelerin interneti ile birle\u015ftirirseniz d\u00fcnyan\u0131n g\u00fc\u00e7 gereksinimini epeyce b\u00fcy\u00fck \u00f6l\u00e7\u00fclere \u00e7ekmek gerekiyor. Yap\u0131lan ara\u015ft\u0131rmalara nazaran, 2030 y\u0131l\u0131na kadar global internet kullan\u0131m\u0131 d\u00fcnyan\u0131n g\u00fcc\u00fcn\u00fcn %20\u2019sini t\u00fcketecek.<\/p>\n<p>2011 y\u0131l\u0131ndaki bir TED konu\u015fmas\u0131nda sunum yapan Edinburgh \u00dcniversitesi\u2019nden Harald Haas, d\u00fcnyan\u0131n sonsuz LED \u0131\u015f\u0131\u011f\u0131 tedari\u011finin data iletimi ile ili\u015fkilendirilebilece\u011fini s\u00f6yledi. LiFi, kullan\u0131ma haz\u0131r g\u00fcnel pili al\u0131c\u0131lar\u0131yla saniyede 50 MB\u2019l\u0131k surat\u0131n\u0131 standart olarak kar\u015f\u0131layabiliyor.<\/p>\n<p><b><strong>Pekala nedir bu Li-Fi, nas\u0131l \u00e7al\u0131\u015f\u0131r?<\/strong><\/b><\/p>\n<p><strong><img decoding=\"async\" src=\"https:\/\/www.webtekno.com\/images\/editor\/default\/0002\/13\/2cf2338921a4889efd3e2a755a07890c789db198.jpeg\"\/><\/strong><\/p>\n<p>Elektromanyetik spektrumda Wi-Fi, radyo dalgalar\u0131 ile mikrodalgalar ortas\u0131nda bir noktadan faydalan\u0131yor. Ba\u015fka taraf\u0131ndan Li-Fi, data transferi i\u00e7in g\u00f6r\u00fclebilir \u0131\u015f\u0131k spektrumunu kullan\u0131yor. G\u00f6r\u00fclebilir \u0131\u015f\u0131k, radyo dalgalar\u0131n taraf\u0131ndan kullan\u0131lan spektruma nazaran yakla\u015f\u0131k 10 bin kat daha b\u00fcy\u00fck ki Wi-Fi ile k\u0131yasland\u0131\u011f\u0131nda 100 katl\u0131k bir bant geni\u015fli\u011fi art\u0131\u015f\u0131 sa\u011fl\u0131yor.<\/p>\n<p>Bilgi, LED\u2019ler taraf\u0131ndan yay\u0131lan \u0131\u015f\u0131\u011f\u0131n i\u00e7erisinde \u015fifreleniyor ve\u00a0insan g\u00f6z\u00fcyle tespit edilemiyor. Bu bilgiler, bu gaye i\u00e7in yap\u0131lm\u0131\u015f al\u0131c\u0131lar taraf\u0131ndan toplan\u0131yor. Lakin Haas ve grubu s\u0131radan g\u00fcne\u015f panellerinin bir al\u0131c\u0131 \u00fczere davranmas\u0131n\u0131 sa\u011flayan bir yol geli\u015ftiriyor. Yani bu teknolojinin, LED \u0131\u015f\u0131klar\u0131 bulunan her yerde bulunabilece\u011fi s\u00f6ylenebilir.<\/p>\n<p><b><strong>Li-Fi nas\u0131l geli\u015ftirildi?<\/strong><\/b><\/p>\n<p><strong><img decoding=\"async\" src=\"https:\/\/www.webtekno.com\/images\/editor\/default\/0002\/13\/4d8fd42f402420e5250580d52dec89a43428a396.jpeg\"\/><\/strong><\/p>\n<p>Li-Fi, Haas 2011\u2019de duyurdu\u011fundan bu yana epeyce uzun bir yol kat etti. Standardisation and Business Development at pureLiFi\u2019\u0131n Lider Yard\u0131mc\u0131s\u0131 Nikola Serafimovski, 2017 y\u0131l\u0131nda yapt\u0131\u011f\u0131 sunumda \u015firketin birinci \u00e7al\u0131\u015fan g\u00fcvenlik ayg\u0131t\u0131n\u0131 geli\u015ftirdi\u011fini duyurdu.<\/p>\n<p>Nikola, bu ayg\u0131t\u0131n, Li-Fi\u2019\u0131n her yerde bulunan bir eser olmas\u0131n\u0131n ba\u015flang\u0131\u00e7 ad\u0131m\u0131 oldu\u011funu s\u00f6z etti. Li-Fi\u2019\u0131n tam kapasitede \u00e7al\u0131\u015fabilmesi i\u00e7in daima olarak b\u00f6l\u00fcnmeksizin bir temasa gereksinimi var ve etrafta daima hareket halinde olan ta\u015f\u0131nabilir ayg\u0131tlar bu ili\u015fkiyi k\u0131racak. Bu sorun nas\u0131l hallediliyor?<\/p>\n<p>Harald Haas\u2019\u0131n tak\u0131m\u0131nda bulunan Mohamed Sufyan Islim, <em>\u201cHareket halinde olma ve \u00e7e\u015fitli engellemeler sebebiyle m\u00fcmk\u00fcn olarak kopacak ili\u015fki ihtimalini azaltmak ve servisin kalitesini art\u0131rmak i\u00e7in bir dizi dedekt\u00f6r kullan\u0131labilir. Hatta hareketlili\u011fi destekleyen birtak\u0131m ticari Li-Fi eserleri dahi bulunuyor. Ayr\u0131yeten bu sorun Wi-Fi \u00fczere \u00f6teki teknolojilerle de \u00e7\u00f6z\u00fclebilir. \u00d6rne\u011fin Li-Fi\u2019\u0131n olmad\u0131\u011f\u0131 bir b\u00f6lgeye gitti\u011finizde temas\u0131n\u0131z korunabilir\u201d<\/em> dedi.<\/p>\n<p>Pekala \u00e7al\u0131\u015fabilir Li-Fi tahlillerinden ne kadar uza\u011f\u0131z? Islim\u2019e nazaran, \u00e7ok fazla beklememiz gerekmeyecek fakat \u015fu an i\u00e7in iki adet sorun bulunuyor: standartla\u015fma ve entegrasyon.<\/p>\n<p><b><strong>Li-Fi ve objelerin interneti:\u00a0Wi-Fi\u2019\u0131n yerini mi alacak?<\/strong><\/b><\/p>\n<p><strong><img decoding=\"async\" src=\"https:\/\/www.webtekno.com\/images\/editor\/default\/0002\/13\/52e6d67929ecba03cd3b682b7a801258eb445ae0.jpeg\"\/><\/strong><\/p>\n<p>Li-Fi\u2019\u0131n bir\u00e7ok potansiyel avantajlar\u0131ndan bir tanesi, gereken g\u00fc\u00e7 \u00f6l\u00e7\u00fcs\u00fcn\u00fc \u00f6nemli manada azaltmas\u0131. Yani Li-Fi, giderek geli\u015fen objelerin internetinin bir kesimi olan ba\u011fl\u0131 ayg\u0131tlara gereken g\u00fc\u00e7 konusunda da hayli yard\u0131mc\u0131 olabilir. Bu, Wi-Fi ile de ger\u00e7ekle\u015ftirilebilir pek al\u0131\u015f\u0131lm\u0131\u015f fakat gereken bant geni\u015fli\u011fi buna ba\u011fl\u0131 olan g\u00fc\u00e7 maliyetini bir epey y\u00fckseltir.<\/p>\n<p>K\u0131saca cevaplamak gerekirse, hay\u0131r. Burada Li-Fi\u2019a Wi-Fi ve ta\u015f\u0131nabilir datan\u0131n \u00fcst\u00fcndeki bir ili\u015fki katman\u0131 olarak bakmak gerekiyor.Yukar\u0131da da s\u00f6yledi\u011fimiz \u00fczere Li-Fi\u2019\u0131n olmad\u0131\u011f\u0131 noktalarda Wi-Fi ya da ta\u015f\u0131nabilir dataya gereksinim olacak. T\u0131pk\u0131 ta\u015f\u0131nabilir datan\u0131n, Wi-Fi olmayan noktalarda ili\u015fki muhta\u00e7l\u0131\u011f\u0131n\u0131 kar\u015f\u0131lamak i\u00e7in ortaya \u00e7\u0131kmas\u0131 \u00fczere. Li-Fi da buna misal bir misyona sahip olacak diyebiliriz.<\/p>\n<p>Islim, bu mevzuyla ilgili olarak <em>\u201cLi-Fi, Wi-Fi\u2019\u0131n yerini almaya niyetli de\u011fil. Bu, genel bir yanl\u0131\u015f anla\u015f\u0131lma. Biz, Li-Fi\u2019\u0131, Wi-Fi ve \u00f6teki 5G eri\u015fim teknolojilerinin tamamlay\u0131c\u0131 teknoloji olarak \u00f6ng\u00f6r\u00fcyoruz. Li-Fi, y\u00fcksek s\u00fcratli eri\u015fim ve geli\u015fmi\u015f g\u00fcvenlik \u00fczere ek \u00f6zellikler de sunacak.\u201d<\/em> dedi.\u00a0Asl\u0131nda Li-Fi\u2019\u0131n \u00f6ne \u00e7\u0131kt\u0131\u011f\u0131 noktalardan bir tanesi de bu: g\u00fcvenlik. Radyo dalgalar\u0131 ve mikrodalgalar duvarlardan ge\u00e7ebilir fakat \u0131\u015f\u0131k ge\u00e7emez. I\u015f\u0131k, fizik\u00ee bir alan\u0131n i\u00e7erisinde var olur, kap\u0131lar ve panjurlar kapat\u0131labilir b\u00f6ylelikle bu t\u00fcrl\u00fc bir a\u011f\u0131 d\u0131\u015far\u0131dan hacklemek imk\u00e2ns\u0131z hale gelir.<\/p>\n<div> <\/div>\n<div>\n<div> <\/div>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u015eayet ki bu maksad\u0131 \u00f6n\u00fcm\u00fczdeki birka\u00e7 y\u0131l i\u00e7erisinde 10 milyarlarca ayg\u0131t\u0131 kapsayacak objelerin interneti ile birle\u015ftirirseniz d\u00fcnyan\u0131n g\u00fc\u00e7 &#8230;<\/p>\n","protected":false},"author":1,"featured_media":7938,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[15],"tags":[1123,1814,1032,1511],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/7937"}],"collection":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7937"}],"version-history":[{"count":1,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/7937\/revisions"}],"predecessor-version":[{"id":7939,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/7937\/revisions\/7939"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/media\/7938"}],"wp:attachment":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7937"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7937"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7937"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}