1.0プロファイバーhttps://profiber.com.vn/jaadminhttps://profiber.com.vn/ja/author/admin/rich600338<blockquote class="wp-embedded-content" data-secret="vLcZQdDPCG"><a href="https://profiber.com.vn/ja/services/5g/">5G</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://profiber.com.vn/ja/services/5g/embed/#?secret=vLcZQdDPCG" width="600" height="338" title="“5G” — Profiber" data-secret="vLcZQdDPCG" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !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); //# sourceURL=https://profiber.com.vn/wp-includes/js/wp-embed.min.js </script>Centralized radio access network (C-RAN) architecture is a promising way for 5G RAN network which is capable of decreasing power consumption, saving machine room, promoting collaborative radio, etc. Compared with the traditional distributed radio access network (D-RAN), the distributed units (DUs) are placed at one central office and the corresponding distance from active antenna unit (AAU) to DU is extended to 10 km for the main scenario of 5G C-RAN front-haul network. In this centralized scenario, wavelength division multiplexing (WDM) technology would be introduced between AAU and DU to save optical fibers. Wavelength signals All optical signals emitted in the networks reached each station. A wavelength division multiplexer at each […]https://profiber.com.vn/wp-content/uploads/2023/02/Services-5G-inne.jpg