基于stel-2000a的扩频信息系统的设计与实现硕士学位论文

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

3、tionofCicruits)mnauafctuerrinhetworldhasdeveloPedhteirownsPerdasPeeturmehiPPorduetswhiehhavealotof丘mctions.TheirpaPearnaeesProvidehtepaPlieationofthesPerdasPeeturmeo们n们nunieationsystemamoreeonvenieniPlatofrm.Basedonstudyingnadreadingalotoferlativeliteratuers，thisPaPerdesignsnadrealiezs

4、adireetsequeneesPredasPeeUrtmeommunicationbasebnadsystemdePendonStnaofrdTeleeomeoproration，5newsPreadsPecturmehiPSTEL一200OAnadInieleoproartion，5AT89CS1.ThisPorjeetnaalysesnadexPatiatestheinterioreo心ugartionnadworkingPrineiPleofSTEL一2000A，nademPhasiezsontheimPortnatbloeksnadPivotaltechn

5、iquesinhteehiP.ThenitdesignshtesehemeofthesPredasPecturmsystem，ineludinghteholistierfmaeofhtesystemnadtheehoieesofeureialPar别的eters.ThedesignofhtissehemedaoPtsASICehiPtouflfillthemainufnetionsofthesPreadsPecturmeonununieationsystemnadenabeeonortlledbysotfware.Theeicruit15simPlenadflexi

6、ble.ThisdesignenauflfilhtedemnadsofdieffrentdatartnasmissionsPeed.ltaeeomPlisheshtedesignofhardwareeireuit，nadexPatiateshteePabailiytofeveyrehiPsinhtissystemnadthePeriPheryinteracfeeireuitbetweenhteseehiPs.AtfernaalysingnadPerdominatingtheeonirollingtimingoftheehiPnadthewokringPrinciPl

7、eofhtesystem，htisPpaerdesignshtesystemsotfwareineludinghtemainPrograrn们nebloek，thertnasmissioneonrtolingbloeknadrhereeeivingeonrtollingbloek.AnditemPhasiezsonhowtosettheinnerregistersofSTEL一2000A.Atlast，debugging15doneonhtehardwarePlatofmr，nadhteeorreetwvaeofmrresultshvae摘要随着移动通信的迅猛发