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1、本科生毕业设计（论文）摘要通信技术的发展日新月异，移动业务蓬勃发展已经渗入了人们生活的方方面面，给人们生活带来了极大便利。随着移动网络的发展，CDMA无线网络建设规模逐渐扩大，它提供的各类业务在信号质量、安全性、功耗和可靠性等方面都表现出很强的技术优势。但随着CDMA无线网络中用户的飞速上涨，网络的不断扩容，原有的网络设计及结构改变、话务量不断增加直接影响着CDMA无线网络的质量。因此CDMA无线网络进行优化就非常重要。本文介绍了CDMA无线网络的基本原理，分析了目前CDMA无线网络现状，既原有网络由于话务量少基站建设少，现在话务提升，网络规模不
2、断扩大，随之而来的网络规划，基站选址不合理，信号覆盖不好，或出现导频污染等降低网络质量的问题。本文结合实例，给出CDMA无线网络优化的系统流程，通过CQT测试和路测，网管话务统计，对网络关键指标如呼叫接通率、信道阻塞率、掉话率等进行了详细分析，找到了问题产生的原因，提出了解决问题的方法，从而提高了网络的服务质量。关键字：移动通信；CDMA；网络规划；网络优化77本科生毕业设计（论文）AbstractWiththerapiddevelopmentofcommunicationtechnology,theboomingmobileservicesha
3、sinfiltratedallaspectsofpeople'slives,itbringsagreatconvenienceforpeople.Withthedevelopmentofthemobilenetwork,thedevelopmentofmobilecommunicationsisrapidly,theconstructionscaleofCDMAnetworkisalsograduallyexpanding,sinceCDMAisoneoffastestgrowingdigitalwirelesstechnologyinmobil
4、ecommunications,therefore,itprovidesvarioustypesofbusinessinthesignalquality,safety,powerandreliability,haveshownastrongtechnologicaladvantage.Withtherapiddevelopmentofglobalmobilenetwork,thecustomersofCDMAnetworkincreasesrapidly,thenetworkcontinuesexpansion,theoriginalnetwor
5、kdesignandstructuralchanges、thetelephonetrafficincreasing,thesefactorsdirectlyaffectthequalityofCDMAnetwork.Therefore,itisveryimportanttooptimizeCDMA.Onlyusetheideaofoptimizationguidetheplanning,withagoodoptimizationprocess,agoodnetworkcanproduce.ThisarticledescribestheCDMAwi
6、relesscommunicationnetworks,theory,channelandsoon.Forthekeyindicatorsofnetwork:Callsetupsuccessrate,calldroprateandotherissuesareanalyzedindetailandputforwardsolutionstotheoptimizationprocessisgiveninthecase.AnalysisofthecurrentstatusofCDMAnetwork,theoriginalnetworkhaslesstel
7、ephonetrafficsandbasestation,moremountainstations,butnowthenetworkhasmoretelephonetraffics,thecustomersrisingrapidly,thenetworksexpanding,followingthenetworkplanning、sitesselectionunreasonableproblemscausedbynetworkmanifested,thispaperwiththecase,showsanetworkplanningandoptim
8、izationonlycombinedwillbebetter.andadetailedprocessofCDMAnetworkopti
