现代无线通信技术.pptx

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1、AdvancedMobilePhoneService:TheCellularConcept先进的移动电话服务：蜂窝通信（1978）ABSTRACTThispapershowshowacellularsystemoperatingwithinalimitedblockofffrequencyspectrumcanmeettheobjectivesofalarge-scalemobile-telephoneservicedesignedwithattentiontocostrestraint.Itexploresthekeyelementsofthecellularconc

2、ept—frequencyreuseandcellsplitting—anddescribescertainmathematicalpropertiesofhexagonalcellulargeometry.AdescriptionofthebasicstructureandfeaturesofAMPSshowshowthecellularconceptcanbeputintopractice.这篇论文显示了一个有限频谱区间的蜂窝系统怎样操作才能满足大规模移动电话服务的目标。它探索蜂窝系统的要素——频率复用和小区分裂，描述了六边形蜂窝结构的数学特性。基本框架和先进的移动电

3、话服务的特征描述显示出蜂窝系统能够投入实用。SmallerCellsforGreaterPerformance更小的小区单元，更好的性能（1991）Anewmicrocellarchitecturethatreducesinterference,increasessystemcapacity,improvesvoicequality,andemandsfewerhandoffsisideallysuitedforPCSsystems.一个新的为个人通信服务设计的微小区单元结构，它能够减少干扰、增加系统通信量、提升语音质量、要求更少的信道切换机制。ElementsofCel

4、lularMobileRadioSystems蜂窝移动无线通信系统的要素（1986）Abstract-Amajorconcerninacellularmobileradiosystemistheco-channelinterference.Therefore,thereductionofco-channelinterferencebecomesamainthrustforthesystemdesignengineers.Weusetheco-channelinterferencereductionfactor（CIRF）asadesigncriterionandpredi

5、ctthesignal-to-interference(SI)ratiosindifferentsystemconfigurations.Thehandoffmechanismandalgorithmicconsiderations,thetrafficcapacityandprocedureforsplittingcells,andthenear-end-to-far-endratiointerferenceandreductionarethedementsdescribed.摘要：同频干扰是蜂窝移动无线系统的一个重要问题。因此，减少同频干扰成了系统设计工程师考虑的一个

6、主要问题。我们使用同频干扰减少因子作为设计准则来预测不同系统配置中的信噪比。除此之外，信道切换机制和算法、各个分裂小区的通信容量和流程、近端到远端的干扰比率和如何减少都是系统设计要考虑的要素。AMICROCELL/MACROCELLCELLULARARCHITECTUREFORLOW-ANDHIGH-MOBILITYWIRELESSUSERS一个为低速率和高速率移动无线用户设计的两级蜂窝结构（1991）ABSTRACTWeexploretheuseofawirelessnetworkhavingatwo-tierarchitecturetoservebothconvent

7、ionalmobilesubscribersandquasi-stationary(e.g.,PCN)subscribers.Thelatterareservedbymicrocellswhichareembeddedwithinmacrocellsthatservethemobileuser.Thisprovidesabalancebetweenmaximizingthenumberofusersperunitarea(whichfavorssmallcells)andminimizingthenetworkcontrola