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1、摘要核心網(wǎng)指標(biāo)數(shù)據(jù)分析、軟參修改是整個GSM網(wǎng)絡(luò)優(yōu)化的關(guān)鍵內(nèi)容之一。網(wǎng)絡(luò)優(yōu)化人員從核心網(wǎng)各系統(tǒng)數(shù)據(jù)、統(tǒng)計數(shù)據(jù)入手，分析網(wǎng)絡(luò)性能狀況，并統(tǒng)計數(shù)據(jù)結(jié)果，通過修改系統(tǒng)參數(shù)、提高系統(tǒng)性能、均衡話務(wù)等方法實現(xiàn)優(yōu)化，達(dá)到綜合提高網(wǎng)絡(luò)性能指標(biāo)的目的。本文著重討論了GSM網(wǎng)絡(luò)優(yōu)化中核心網(wǎng)組網(wǎng)各網(wǎng)元的作用、網(wǎng)元間接口優(yōu)化、用戶感知提升、切換控制等數(shù)據(jù)參數(shù)的分析方法，并且總結(jié)歸納了核心網(wǎng)數(shù)據(jù)優(yōu)化的物理模型和AA-TOOLS工具。在上述優(yōu)化的分析和基礎(chǔ)上，針對江蘇移動公司GSM移動網(wǎng)的優(yōu)化工程完成了優(yōu)化工作。經(jīng)過數(shù)據(jù)采集、數(shù)據(jù)分析和參數(shù)修改，優(yōu)
2、化后該網(wǎng)絡(luò)各項性能指標(biāo)獲得極大改善。運用本文介紹優(yōu)化方法針對中國移動公司GSM網(wǎng)絡(luò)優(yōu)化確有良好成效。關(guān)鍵詞：核心網(wǎng)、網(wǎng)絡(luò)優(yōu)化、客戶感知、軟交換網(wǎng)絡(luò)IABSTRACTThecorenetworkKPIdata、systemparameterisoneoftheGSMnetworkoptimizationanalysiskeydomainofnetworkoptimization.Optimizationengineerswilldealwithcorenetworkdatabase,systemparameterperfor
3、mancedatatoanalysisfistly.Inordertoimprovenetworkperformancesyntheticallytheyanalysetheperformanceandmodifyparametersincorenetworkdatabasebymodifysystemparameter,handoverpara、balancethetraffic.Inthisthesismainlydiscussestheanalyticmethods,suchasmodifysystemparamet
4、er、theinterfacebetweentheNE,upgradethecustomerfeeling、handovercontrol.FurthermoreitisconcludedhowtobuildthephysicalmodelofnetworkoptimizationandAA-TOOLS.Basingonaboveanalysisesandconclusions,thewriterfinishedtheGSMoptimizationworkforCMCC,JiangSu.Theperformanceofth
5、isnetworkwasimprovedverymuchwhencoreparameterswereanalyzedandmodifiedcarefully.ThemethodsintroducedinthisthesisareveryeffectivetooptimazationengineeringonGSMnetworksofChinamobile.KeyWords:corenetwork、networkoptimization、customerfeeling、softwareswitchnetwork.II目錄第一
6、章概述....................................................................................................................11.1移動通信網(wǎng)絡(luò)的發(fā)展........................................................................................11.1.1GSM網(wǎng)絡(luò)發(fā)展歷史.............................
7、..........................................................11.1.2GSM網(wǎng)絡(luò)系統(tǒng)技術(shù)規(guī)范...............................................................................31.2GSM系統(tǒng)結(jié)構(gòu)..................................................................................................3
8、1.2.1交換網(wǎng)絡(luò)子系統(tǒng).........................................................................................51.2.2無線基站子系統(tǒng)......................................
