基于stel-2000a的扩频信息系统的设计与实现_硕士学位论文

《基于stel-2000a的扩频信息系统的设计与实现_硕士学位论文》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、theSPreadSPectrumCommunicationSystemBasedonSTEL一20O0AAbstractWihthteswitfdeveloPmeniofmobileeommunieation，theITUadvaneesthesnatd耐orIMTZ000as止etagretorthe3rdgeneartionmobileeommunieationsystem.A刀dhtemostinfiueneingnadaPPlieativeeommunieationalteehnologiesbasedonCDMAaerWCDMA，edm2a000，n

2、adTD一SCDMA.AndthentheteehnologyofCDMAbasedonsPeradsPeetru们以hteoryPlaysaveryimPortnatorleinhtemobileeorn们。unieationalteehnolog，ywhiehindieatestheuseofofsPeradsPeeturmeomrnunleationteehniqueinhteeornmecrialfieldhasdeveloPedinioanewstage.Underhtisbackgorund，alotofafmousLSI(LargeSealeIne

3、tgrationofCicruits)mnauafctuerrinhetworldhasdeveloPedhteirownsPerdasPeeturmehiPPorduetswhiehhavealotof丘mctions.TheirpaPearnaeesProvidehtepaPlieationofthesPerdasPeeturmeo们n们nunieationsystemamoreeonvenieniPlatofrm.Basedonstudyingnadreadingalotoferlativeliteratuers，thisPaPerdesignsnadre

4、aliezsadireetsequeneesPredasPeeUrtmeommunicationbasebnadsystemdePendonStnaofrdTeleeomeoproration，5newsPreadsPecturmehiPSTEL一200OAnadInieleoproartion，5AT89CS1.ThisPorjeetnaalysesnadexPatiatestheinterioreo心ugartionnadworkingPrineiPleofSTEL一2000A，nademPhasiezsontheimPortnatbloeksnadPivo

5、taltechniquesinhteehiP.ThenitdesignshtesehemeofthesPredasPecturmsystem，ineludinghteholistierfmaeofhtesystemnadtheehoieesofeureialPar别的eters.ThedesignofhtissehemedaoPtsASICehiPtouflfillthemainufnetionsofthesPreadsPecturmeonununieationsystemnadenabeeonortlledbysotfware.Theeicruit15simP

6、lenadflexible.ThisdesignenauflfilhtedemnadsofdieffrentdatartnasmissionsPeed.ltaeeomPlisheshtedesignofhardwareeireuit，nadexPatiateshteePabailiytofeveyrehiPsinhtissystemnadthePeriPheryinteracfeeireuitbetweenhteseehiPs.AtfernaalysingnadPerdominatingtheeonirollingtimingoftheehiPnadthewok

7、ringPrinciPleofhtesystem，htisPpaerdesignshtesystemsotfwareineludinghtemainPrograrn们nebloek，thertnasmissioneonrtolingbloeknadrhereeeivingeonrtollingbloek.AnditemPhasiezsonhowtosettheinnerregistersofSTEL一2000A.Atlast，debugging15doneonhtehardwarePlatofmr，nadhteeorreetwvaeofmrresultshvae

8、摘要随着移动通信的迅猛发