無線通信網(wǎng)絡基站覆蓋分析與基站選址設計.pdf

1、單位代碼!咝塑密級靂蓋葬乏學院工程碩士研究生學位論文論文題目：垂垡望堡旦鰲莖塑垂董坌塹與基站選址設計研究生三呈曼指導教師查鎏鎏壑堡旦墮壹三學科專業(yè)皇王蘭望堡三堡弭窮音南移動通信與無線技術研究方向竺型苧墮皇至塑堅至申請學位級別碩士二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