资源描述:
《TDSCDMA室内覆盖系统规划设计(I)》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、上海交通大学硕士学位论文TD-SCDMA室内覆盖系统规划设计姓名:黄鹏申请学位级别:硕士专业:电子与通信工程指导教师:钱良;王德东20080401上海交通大学硕士学位论文ABSTRACTRESEARCHANDDESIGNOFSECURITYPROTOCOLINWIERLESSSENSORNETWORKSABSTRACTTD-SCDMA(TimeDivision-SynchronousCodeDivisionMultipleAccess),proposedbyChinesegovernmentandapprovedbytheInternationalTelecommunica
2、tionUnion(ITU)asoneofthethreeprincipal3Gmobiletelecommunicationsstandards,isthefirst3rdgenerationtelecommunicationstandardwithitsresearchanddevelopmentmainlyledbyChineseindustriesaswellasitsintellectualpropertyrightsinChineseenterprises.TD-SCDMAnetworkismostlycomposedofdigitalservice,mosto
3、fwhichoccurindoors,therefore,itisessentialtoreviewtheindoorcoverageofTD-SCDMA.Thisarticlefirstlyintroducesandcomparesallkindsof3Gnetworkformats.Thenitpresentsthecharacteristic,predominanceanddevelopmentopportunityofTD-SCDMAtechnology,aswellasthecircumstanceandessentialityofTD-SCDMAindoorco
4、verage.Italsolistssomeproblemsofindoorcoveragethatneedtobesolved.ThisarticleestablishesthewholeprocedureofTD-SCDMAindoorcoverageplanninginaccordancewithactualconditionsandadvancestheprincipleandgoalofthewholeplanning.Then,itputsforwardthethinkingoftheplanning,consideringthecapacityandsorto
5、fsignalsourceaswellasthemanner,powersetup,frequencycombinationofdistributionsystemandsoon.ItalsoraisessomefactorsthatneedtobeconsideredinplanningtheTD-SCDMAindoorcoverageofsomespecialplacessuchassubwaysandstadiums.Lastly,facingthefactthat2Goperatorscurrentlycoexistwith3GoperatorsinChina,th
6、earticlediscussesthepossibilitytoco-buildTD-SCDMAwith2Gsystem,analyzestheminimumseparationrangetorestrainlostinhibition,obstructionandinteroperabilityinterferencewhenputtingTD-SCDMAintoonedistributionsystemwithotherformats,andproposestheideaofdesigningamulti-systemcombiner.Finally,thisarti
7、cleintegratestheorywithprojectpracticeandanalyzesII页上海交通大学硕士学位论文ABSTRACTthedataofTD-SCDMAindoorcoverage.Keywords:TD-SCDMA,indoordistributionsystem,BBU,RRU,multi-systemcombinerIII页上海交通大学学位论文原创性声明本人郑重声明所呈交的学位论文是本人在导师的指导下独立进行研究工作所取得的成果除文中已经注明引用的内容外本论文不包含任何其他个人或集体