{"version":"1.0","provider_name":"Microsoft Research","provider_url":"https:\/\/www.microsoft.com\/en-us\/research","author_name":"Bozidar Radunovic","author_url":"https:\/\/www.microsoft.com\/en-us\/research\/people\/bozidar\/","title":"WiFi-XL: Extending WiFi to Wide Areas in White Spaces - Microsoft Research","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"K8SFh0d0vu\"><a href=\"https:\/\/www.microsoft.com\/en-us\/research\/publication\/wifi-xl-extending-wifi-to-wide-areas-in-white-spaces\/\">WiFi-XL: Extending WiFi to Wide Areas in White Spaces<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.microsoft.com\/en-us\/research\/publication\/wifi-xl-extending-wifi-to-wide-areas-in-white-spaces\/embed\/#?secret=K8SFh0d0vu\" width=\"600\" height=\"338\" title=\"&#8220;WiFi-XL: Extending WiFi to Wide Areas in White Spaces&#8221; &#8212; Microsoft Research\" data-secret=\"K8SFh0d0vu\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/* ]]> *\/\n<\/script>\n","description":"Due to its superior propagation characteristics, white spaces has the potential to enable license-free wireless wide-area networks (WWAN). However, we show that using standard WiFi in white spaces will not deliver adequate capacity or coverage because of two characteristics unique to WWANs, namely, channel trichotomy which greatly increases number of interferers and sub-noise communication support, [&hellip;]"}