無(wú)線通信網(wǎng)絡(luò)基站覆蓋分析與基站選址設(shè)計(jì).pdf

1、單位代碼!咝塑密級(jí)靂蓋葬乏學(xué)院工程碩士研究生學(xué)位論文論文題目：垂垡望堡旦鰲莖塑垂董坌塹與基站選址設(shè)計(jì)研究生三呈曼指導(dǎo)教師查鎏鎏壑堡旦墮壹三學(xué)科專業(yè)皇王蘭望堡三堡弭窮音南移動(dòng)通信與無(wú)線技術(shù)研究方向竺型苧墮皇至塑堅(jiān)至申請(qǐng)學(xué)位級(jí)別碩士二oo五年四月塑塞些坐蘭墮王堡塑!型!塑生主垡堡蘭一i!童AbstractNowadays，therealreadyexistsadramaticallyhugewirelesstelecommunication

2、network，however，westillhavetopaymuchfortheconstructionofthenetworkannuallyOnereasonforthatisthelimitedcapacityofthenetwork，buttheprimaryfactoristheproblemofthenetwork’ScoveragewhichrequirestObesolvedbyceaselessoptimizati

3、onThecausesoftheproblemarevarious，suchastheirrationalityofthelayoutofthebasestations，theatrociouspropagationenvironment，thetimewornequipmentandtheirrationalsettingofthenetwork’Sparameters，etcItreflectsontheweakreceivedsi

4、gnalandtheinterferenceTherefore，thispapermakesanindepthstudyontheproblemofcoverage，analyzingthecausesandprovidingthecorrespondingsolutionwhichmayhaveeffectonthepracticalplanningandoptimizationofthenetworkThispaperexpatia

5、testhetheoryofwirelesspropagationandintroducessometypicalpropagationmodels，particularlyanalyzingtheOkumura—Hatamodel、Cost一23IHatamodelandthecoefficientofKBasedonthestudyofthesemodels，somekindsofparameterswhichaffecttheco

6、verageofthewirelessnetworkarediscussed，includingtheparan_letersofthepropagationenvironment、theconstructionofthenetworkandtheequipmentsthemselvesThenthesoftwareofthenetworkplanningusedherenamedPLANETispresentedThispaperma

7、inlyaimsatseveralclassifiedcoverageproblemsoftheexistingGSMnetwork，includingtheindoorandoutdoorcoverage，theinterference，thecoverageinspecialenvironment，thecoverageproblemwhichisbroughtinengineeringandtheimpactoncoveragec

8、ausedbytheequipments，etcMeanwhile，thecorrespondingsolutionsareprovidedaswellConsideringtheimportanceoftheorientationofthebasestations，furtherdiscussionisparticularlymadeonitUsingtherelevantsoftware一PLANET，thedegreeofimpa

9、ctonthecoverageofeachfactorisvalidatedRecenttrendsindicatethatGSMnetworkandthethird—generation(3G)networkwillCOexisttoofferservicetoendusersThispaperalsogivestheanalysisoftheinterferencebetweenthesetwonetworkswhenthebase