网络结构及双频网优 化 策 略 2011年 2月 1 目 录 1 前言 ······································································································································1 2 无线网络结构概述 ··············································································································1 3 网络结构优化原则 ··············································································································2 3.1 网络结构优化总体原则 ................................................................................................. 2 3.2 双频网引入和优化原则 ................................................................................................. 4 3.2.1 1800M 引入原则 ········································································································ 4 3.2.2 双频网的优化原则······································································································ 5 3.2.3 双频网参数设置原则·································································································· 6 3.2.4 双频网业务承载原则·································································································...