移动通信室内分布系统设计方案(论文)

移动通信室内分布系统方案设计学院：电子与信息工程学院

学生姓名：陈

专业班级：2011级移动通信技术（1）学号：

指导老师：

2014年6月20

摘要

随着经济的发展，人民生活水平的提高移动通信用户不断的增加，加上对建筑物的建设要求越来越高。这些建筑物规模大、质量好，对移动电话信号有很强的屏蔽作用。在大型建筑物的低层、地下商场、地下停车场等环境下，移动通信信号弱，手机无法正常使用，形成了移动通信的盲区和阴影区；在中间楼层，由于来自周围不同基站信号的重叠，产生乒乓效应，手机频繁切换，甚至掉话，严重影响了手机的正常使用；在建筑物的高层，由于受基站天线的高度限制，无法正常覆盖，也是移动通信的盲区。另外，在有些建筑物内，虽然手机能够正常通话，但是用户密度大，基站信道拥挤，手机上线困难。特别是移动通信的网络覆盖、容量、质量是运营商获取竞争优势的关键因素。网络覆盖、网络容量、网络质量从根本上体现了移动网络的服务水平，是所有移动网络优化工作的主题。室内覆盖系统正是在这种背景之下产生的。根据相关资料统计部分地区的室内话务量在总话务量中占有较高的比例。因此加强室内覆盖对于提高移动通信质量具有重要意义。

关键词：移动通信；室内分布覆盖；系统容量

Abstract

With economic development, people's living standards improve mobile users continue to increase, coupled with the construction of the buildings have become increasingly demanding. These buildings are in large scale, good quality, to the mobile phone signal has the very strong shielding effect. In large buildings in the lower layer, such as underground parking environment of mobile communication, mobile phone signal is weak, cannot use normally, formation of mobile communication blind area and in the shadows, in intermediate floor, because around the different base station signal overlap, from the formation of the ping-pong effect, frequent switching of mobile phone, and even drop, seriously affecting the mobile phone shop the normal use; at the top, due to base station antenna height restriction, can not cover, but also the blind area of mobile communication. In addition, in some buildings, while the mobile phone to the normal call, but the user density, base station channels congestion, difficulty of mobile phone line, network coverage system is under this kind of background generation. A high proportion of the total traffic in accordance with the relevant statistics indoor traffic in some areas. Therefore, strengthening indoor coverage of mobile communication for improving the quality of great significance.

Keywords: mobile communications; indoor distribution coverage; system capacity

摘要........................................................................................................................................... I Abstract ..................................................................................................................................... II 引言 (1)

第1章室内分布系统的概述及发展 (2)

1.1室内分布系统的组成 (2)

1.2 室内分布系统的类型及特点 (2)

1.3室内分布系统的发展趋势 (4)

第2章室内分布系统信源的接入方式 (5)

2.1 直放站作信源接入 (5)

2.2 微蜂窝作信源接入 (5)

2.3宏蜂窝作信源接入 (5)

第3章移动通信室内分布系统工程设计 (6)

3.1 工程概况 (6)

3.2 覆盖要求 (6)

3.3 器件选用 (7)

3.4 室内覆盖场强验证 (8)

第4章施工规范及要求 (10)

4.1 天线的安装 (10)

4.2 馈线的布放 (10)

4.3 馈线与器件的安装 (10)

总结 (12)

参考文献 (13)

致谢 (14)