2021年度基于STELA的扩频信息系统的设计与实现硕士学位.docx

theSPreadSPectrumCommunication

SystemBasedonSTEL一20O0A
Abstract
WihthteswitfdeveloPmeniofmobileeommunieation, theITUadvaneesthe
snatd耐orIMTZ000as止etagretorthe3rdgeneartionmobileeommunieationsystem.
A刀dhtemostinfiueneingnadaPPlieativeeommunieationalteehnologiesbasedon
CDMAaerWCDMA, edm2a000, nadTD一SCDMA.AndthentheteehnologyofCDMA
basedonsPeradsPeetru们以hteoryPlaysaveryimPortnatorleinhtemobile
eorn们。 unieationalteehnolog, ywhiehindieatestheuseofofsPeradsPeeturm
eomrnunleationteehniqueinhteeornmecrialfieldhasdeveloPedinioanewstage.Under
htisbackgorund, alotofafmousLSI(LargeSealeInetgrationofCicruits)mnauafctuerr
inhetworldhasdeveloPedhteirownsPerdasPeeturmehiPPorduetswhiehhavealot
of丘mctions.TheirpaPearnaeesProvidehtepaPlieationofthesPerdasPeeturm
eo们n们nunieationsystemamoreeonvenieniPlatofrm.
Basedonstudyingnadreadingalotoferlativeliteratuers, thisPaPerdesignsnad
realiezsadireetsequeneesPredasPeeUrtmeommunicationbasebnadsystemdePendon
StnaofrdTeleeomeoproration, 5newsPreadsPecturmehiPSTEL一200OAnad
Inieleoproartion, 5AT89CS1.ThisPorjeetnaalysesnadexPatiatestheinterior
eo心ugartionnadworkingPrineiPleofSTEL一A, nademPhasiezsontheimPortnat
bloeksnadPivotaltechniquesinhteehiP.ThenitdesignshtesehemeofthesPreda
sPecturmsystem, ineludinghteholistierfmaeofhtesystemnadtheehoieesofeureial
Par别eters.ThedesignofhtissehemedaoPtsASICehiPtouflfillthemainufnetionsof
thesPreadsPecturmeo
nununieationsystemnadenabeeonortlledbysotfware.Theeicruit15simPlenadflexible.Thisdesignenauflfilhtedemnadsofdieffrentdata
rtnasmissionsPeed.ltaeeomPlisheshtedesignofhardwareeireuit, nadexPatiateshte
ePabailiytofeveyrehiPsinhtissystemnadthePeriPheryinteracfeeireuitbetween
hteseehiPs.AtfernaalysingnadPerdominatingtheeonirollingtimingoftheehiPnadthe

wokringPrinciPleofhtesystem, htisPpaerdesignshtesystemsotfwareineludinghte
mainPrograrn们nebloek, thertnasmissioneonrtolingbloeknadrhereeeivingeonrtolling
bloek.AnditemPhasiezsonhowtosettheinnerregistersofSTEL一A.At
last, debugging15