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重庆邮电大学本科毕业设计（论文）-I-编号：审定成绩：设计（论文）题目：TD-LTE宏蜂窝网络规划研究学院名称：学生姓名：专业：班级：学号：指导教师：答辩组负责人：填表时间：2014年6月重庆邮电大学本科毕业设计（论文）-II-摘要移动互联网和智能终端的普及，使移动数据业务呈现爆炸性的增长态势，而移动通信频谱资源的短缺性矛盾，也推动着移动通信技术的不断创新。随着TD-LTE规模技术试验网的建设，未来几年，我国移动通信将进入LTE时代。在此背景下，需要加强针对TD-LTE网络规划和设计方面的研究，为即将到来的TD-LTE大规模网络建设做好技术准备。本文对TD-LTE无线网络的规划进行研究，并提出可行性方案。本文首先系统阐述了TD-LTE的基本原理，介绍了OFDM、MIMO、链路自适应等关键技术，及与2G/3G系统相比独特的网络规划特点，为TD-LTE无线网络规划的具体研究提供了基础。接下来，论文根据TD-LTE系统特性，提出了一个详细的TD-LTE宏蜂窝网络规划流程，并给出了相应的需求分析方法，对覆盖、容量、干扰等方面的特点、主要影响因素进行了详细分析和提出合理化建议。在以上工作的基础上，论文利用Atoll软件作为仿真平台，对广东省观澜镇建设TD-LTE宏蜂窝网络进行网络规划，通过仿真分析，并经过调整优化，最终实现规划总目标，证明该方案是可行的。【关键词】TD-LTE网络规划覆盖优化重庆邮电大学本科毕业设计（论文）-III-ABSTRACTPopularizedMobileInternetandintelligentterminals,MDSpresentsahugegrowthtrend.Thecontradictionofcommunicationfrequencyresourceshortageispromotingcontinuousmobilecommunicationtechnologyinnovation.AlongwiththeconstructionoftheTD-LTEscaletechnologytestnetwork,theChinesemobiletelecommunicationwillbetheeraofLTEinthecomingfewyears.Withthebackground,weneedtostrengthentheresearchofTD-LTEnetworkplanninganddesign,forbaseofthecomingTD-LTElarge-scalenetworkconstruction.Thetargetofthepaperistostudynetworkplanningandproposethefeasiblescheme.Firstly,thepaperstatesbasicprincipleoftheTD-LTE,introducesthekeytechnologys,suchasOFDM,MIMO,linkadaptive,andsoon.Also,introducesuniquecharacteristicofthenetworkplanningsystemcomparingto2G/3Gsystem,providesabasisforthespecificstudyofTD-LTEwirelessnetworkplanning.Inaddition,basedonthecharacteristicsofTD-LTEsystem,thepaperputsforwardadetailedTD-LTEmacrocellnetworkplanningprocess,andprovidesthecorrespondingneedsanalysismethod,andadetailedanalysisofthecoverage,capacity,interferencecharacteristicsofthemainfactorsandmakereasonablesuggestions.Onthebasisofabovework,thepaperusesAtollsoftwareasthesimulationplatform,planedTD-LTEnetworkwirelessforGuanlanTownofGuangdongProvince.Throughthesimulationanalysis,optimization,achievethegeneralplanningtargetfinally,itisprovedthattheschemeisfeasible.【Keywords】TD-LTENetworkPlanningCoverageoptimization重庆邮电大学本科毕业设计（论文）-IV-目录前言...................................................................................................................................1第一章LTE移动通信系统概述.......................................................................................2第一节移动通信的发展历史及趋势...........................................................................2第二节LTE移动通信系统简介...................................................................................2一、LTE技术目标.......................................................................................................2二、LTE标准进展.......................................................................................................5三、LTE国内外商用情况...........................................................................................6第三节本章小结...........................................................................................................7第二章TD-LTE无线网络规划基础.................................................................................8第一节TD-LTE基本原理.............................................................................................8一、LTE网络结构.......................................................................................................8二、TD-LTE帧结构.....................................................................................................9第二节TD-LTE关键技术...........................................................................................11一、OFDM..................................................................................................................11二、MIMO..................................................................................................................12三、链路自适应.........................................................................................................14四、小区间干扰控制.................................................................................................15五、多媒体广播业务.................................................................................................16第三节TD-LTE网络规划特点...................................................................................17一、需求分析.............................................................................................................17二、频率规划.............................................................................................................18三、覆盖规划及链路预算特点.................................................................................19四、容量规划特点.....................................................................................................20五、参数规划特点.....................................................................................................20第四节本章小结.........................................................................................................20第三章TD-LTE无线网络规划技术分析.....................................................................21第一节TD-LTE无线网络规划流程.........................................................................21第二节TD-LTE网络规划需求分析...............................