用户环路宽带化的进程

Adding Bandwidth to Subscriber Loop

本文介绍了几种主要的接入网技术并对其特点和特色加以比较。另外,介绍了一些国家光纤用户环路的进展和实施计划。

Several major access network technologies such as HDSL, ADSL, HFC and FITL are described and compared in this paper, and the progress and plans for implementing FITL in some countries are also introduced.