文档介绍：目录
第一章无线接入网概述···········································································⋯
第一节接入网的基本概念·····································································⋯
一、概述·················,····························· ·· ·············,··············,···,·,······一
二、电信网与本地网·················································,··························一
三、用户网与用户环路·······································································⋯⋯。
四、用户接人网·························,·······················································⋯⋯
五、用户驻地网的概念·············