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1、1目錄引言.......................................................................................................................41GSM系統(tǒng)簡(jiǎn)介.......................................................................................

2、.............51.2GSM網(wǎng)絡(luò)接口..................................................................................................................81.3頻率配置..........................................................................

3、.................................................101.4信道分類(lèi)...........................................................................................................................112GSM網(wǎng)絡(luò)優(yōu)化目標(biāo)和流程........................

4、......................................................142.1GSM無(wú)線(xiàn)網(wǎng)絡(luò)優(yōu)化的目標(biāo)..............................................................................................142.2GSM無(wú)線(xiàn)網(wǎng)絡(luò)優(yōu)化的流程......................................

5、........................................................153室內(nèi)覆蓋的優(yōu)化...............................................................................................203.1室內(nèi)覆蓋優(yōu)化的意義.............................................

6、..........................................................203.2改善室內(nèi)覆蓋的方法及手段...........................................................................................213.4不同信號(hào)源比較..........................................

7、.....................................................................224天線(xiàn)在網(wǎng)絡(luò)優(yōu)化中的作用...............................................................................274.1天線(xiàn)的主要性能指標(biāo)............................................

8、...........................................................274.2優(yōu)化中天線(xiàn)的選擇...........................................................................................................305掉話(huà)的分析和解決方法............................

9、.......................................................335.1由于切換導(dǎo)致的掉話(huà)........................................................................................................335.2由于干擾而導(dǎo)致的掉話(huà)................................

10、...................................................................365.3天饋線(xiàn)原因產(chǎn)生掉話(huà)的情況............................................................................................396大學(xué)園區(qū)高話(huà)務(wù)解決方案..............................

11、..................................................416.1高話(huà)務(wù)簡(jiǎn)要分析...............................................................................................................416.2方案簡(jiǎn)要分析....................................

12、...............................................................................426.3對(duì)于高校話(huà)務(wù)問(wèn)題的幾點(diǎn)考慮.......................................................................................44結(jié)束語(yǔ)...............................

13、....................................................................................46致謝.......................................................................................................................47參考文獻(xiàn).......

14、........................................................................................................483AbstractInChinaGSMwkhasahistyofabout14yearseversinceitbeganitscommercialusefrom1993.ItspresentamountofChineseuser

15、ismethan350millioneitherofthescalecapacityranksfirstinthewld.Ourdomesticmobilecommunicationsareconfrontedwithsevererigouschallenges.Ontheonehinpacewiththeastonishinggrowthoftelecommunicationusersthewkkeepsexpinginscale.H

16、oweverproblemslikewantoffrequencyresourcesthesmallercoefficientoffrequencyreusemeunwieldywkbringaboutmemetroublesofincreasinglydiversifiedcomplicated.Thusmereroutinemaintenanceisnotenoughtoprovidehighqualifiedservicefthe

17、broadmobilecommunicationusers.Ontheotherhasthecompetitionsarekeenertomeetthehigherdemofcustomersthewkoperatsarefacedwithsomeurgentcriticaltasksdifficulties:howtorunthewktoitsoptimumhowtoheightenthequalityoftelecommunicat

18、ionshowtoimprovetheaverageserviceutilizationrateofsysteminstallationsetc..EspeciallyinChina“shtcycle”“speediness”aretwopeculiaritiescommonlyexistingintheGSMexpingcapacityduration.Itleftoversomequalityproblemswhichshouldb

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