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毕业设计（论文）毕业设计（论文）摘要随着移动通信的发展及资费的下降，移动电话已经成为人们通信联系的主要手段。广大的用户已经不满足于室外的通信，他们希望运营商提供一个能够满足人们随时随地通信需求的移动网络。同时，移动通信网络做到室内、室外、地上地下、各种场所均覆盖是吸引用户的必要条件。随着城市建设步伐的加快，越来越多的高层建筑为城市增添了现代气息。然而，大量的高层建筑也给移动通信网络的室内覆盖带来了技术难题，成为网络优化和室内覆盖系统建设的重点和难点。近年来移动通信的飞速发展，网络规模不断扩大，随着也出现了一些网络盲点。在现代城市中的高层楼宇密集区表现得更加突出，随着高层建筑物的不断增加，在高层楼宇室内收到质量也就越来越差，经常出现无线信号较多较杂，造成高层处信号杂乱、频率干扰严重,通话质量差,严重影响了通话,客户满意度较低,成为投诉热点；但是采用常规的无线网络优化方法又不能很好的解决这一问题，这就形成了无线网络覆盖的难点。该问题尤为突出，对高层进行无线网络优化工作迫在眉睫，也是现在个运营商必须解决的根本问题。在这里主要针对GSM高层楼宇优化提出针对性的解决方案。通过分析高层楼宇GSM网络出现的问题，提出相应的解决方案，实现对高层楼宇GSM网络的优化。关键词：GSM；网络优化；干扰；覆盖系统；切换毕业设计（论文）AbstractAlongwiththedevelopmentofmobiletelecommunicationandclinicdeclined,themobilephonehasbecometheprincipalmeansofcommunicationwithpeople.Thevastnumberofusershavenotsatisfytheoutdoorcommunications,theyhopetooperatorsprovideacansatisfiespeopleanytimetelecommunicationdemand'smobilenetwork.Meanwhile,themobilecommunicationnetworkdoindoor,outdoor,underground,variousplacesallcoverageisthenecessaryconditionstoattractusers.Withthequickeningpaceofurbanconstruction,moreandmoreofthehigh-risebuildingforcityaddedthemodernbreath.However,alargenumberofhigh-risebuildingsalsogivemobilecommunicationnetworkindoorcoveragebroughttechnicalproblems,becomenetworkoptimizationandindoorcoveragesystemconstructionoftheemphasesanddifficulties.Inrecentyears,therapiddevelopmentofmobilecommunicationnetworkscaleunceasinglyexpands,asalsoappearedafewnetworkblindspot.Inthemoderncityofhigh-risebuildingconcentrationareasactmoreprominenthigh-risebuildings,alongwiththeincreasinginhigh-risebuilding,indoorreceivequalityareincreasinglypoor,oftenmoreismoremiscellaneous,wirelesssignalscausedhigh-riseplacesignalmixedanddisorderly,frequencyinterferencecallqualityispoor,serious,seriousinfluencethecallandcustomersatisfactionlow,becomecomplainthotspots;Buttheconventionalwirelessnetworkoptimizationmethodandnotverygoodsolvethisproblem,thiscreatesawirelessnetworkcoverageofdifficulty.Theproblemofcommanders,particularlyprominentwirelessnetworkoptimizationisimminent,andnowworkhavetosolveaoperatorsfundamentalproblems.HereforGSMhigh-risebuildingoptimizationmainlyputsforwardspecificsolutions.Throughtheanalysisofthehigh-risebuildingtheproblemstheGSMnetwork,andproposesthecorrespondingsolutionofhigh-risebuildings,realizetheGSMnetworkoptimization.毕业设计（论文）Keywords：GlobalSystemforMobilecommunication;Networkoptimization;Interfere;Handover;Coveragesystemequipment毕业设计（论文）1目录第一章绪论.................................................................3第二章GSM网络优化的概述...................................................42.2GSM网络优化流程.......................................................52.1GSM网络优化的概念与内容...............................................42.3GSM网络优化方法.......................................................52.3.1统计分析法：.......................................................62.3.3CQT定点测试：.....................................................62.3.4用户投诉：.........................................................62.3.5信令分析法：.......................................................62.3.6仪器测试法：.......................................................72.3.7TA路测系统分析：..................................................72.3.8网络模拟法：.......................................................82.4网络优化常见问题及优化方案.............................................82.4.2掉话现象：.........................................................82.4.3话音质量较差：.....................................................8第三章高层楼宇信号特点.....................................................93.1现场测试：............................................................93.2无线网络问题：........................................................93.3问题形成原因分析：...................................................103.3.1分析原因一：......................................................103.3.2分析原因二：......................................................103.3.3分析原因三：......................................................10第四章中海大运酒店室内信号的特点.........................................104.1“盲区”区域分析.......................................................124.2“乒乓效应”区域分析...................................................124.3“孤岛效应”区域分析...................................................13第五章解决中海大运酒店室内覆盖的方法.....................................135.1中海大运酒店的覆盖方案................................................145.1.1室内射频分布方案：................................................145.1.2室内光纤分布系统方案..............................................145.2信号覆盖区域基站的小区参数设置........................................205.2.1手机空闲状态的控制参数............................................205.2.2覆盖边缘场强设定.................................................21第六章中海大运酒店网络覆盖的优化.........................................226.1掉话问题的优化解决....................................................226.1.1问题描述..........................................................226.1.2解决措施..........................................................246.2相邻小区网络切换的优化................................................25毕业设计（论文）2结束语.....................................................................27致谢........................