任何无线频率覆盖方都将产生“盲区”,解决此类问题的一种途径是增加基站数目或调整功率电平，此方法成本甚高，还带来一些其它问题。本文介绍一种更经济、便宜、快捷、有效，已被许多网络经营者采用的方法——直放站。

本文的主要工作叙述直放站的技术和原理以及直放站的工程实施。首先，论文描述了直放站的技术概念、发展、特点。然后，介绍了项目的整体规划和一个工程的具体实现。最后，论文提出了一些工程建设中需要注意的问题。

 

关键词：移动通信   直放站   工程   网络优化

                          

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No matter using whatever wireless frequency cover schemes, there are many “blind-areas”， one solution is to increase the number of the basestations or to adjust the power of the signal. But this  means  it will induce additional costs and other further problems. This paper introduces a more economic and effective scheme adopted by a number of network-operators.It is the repeater.

This paper focuses on the technology，elements and the engineer application of the repeater . Firstly it describes the repeater’s concept ,development and characteristic . Secondly it  introduces the  whole plan of the construction and the application of the project  . And last,it  brings up some problments when  doing the project.

 

 

        Mobile communication ， Repeator,  Project, The network optimizing

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

第一章  前 言     ------------------------------------------------------------------------------------------1

1.1 背景意义------------------------------------------------------------------------------------------------       1

1.2 解决问题的方法    ------------------------------------------------------------------------------------3

1.3 直放站的基本工作原理 ------------------------------------------------------------------------------5

1.4 直放站的定义 ------------------------------------------------------------------------------------------7

第二章  直放站系统    ------------------------------------------------------------------------------------8