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、a000，nadTD一SCDMA.AndthentheteehnologyofCDMAbasedonsPeradsPeetru们以hteoryPlaysaveryimPortnatorleinhtemobileeorn们。unieationalteehnolog，ywhiehindieatestheuseofofsPeradsPeeturmeomrnunleationteehniqueinhteeornmecrialfieldhasdeveloPedinioanewstage.Underhtisbackgorund，alotofafmousLSI(L

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5、heimPortnatbloeksnadPivotaltechniquesinhteehiP.ThenitdesignshtesehemeofthesPredasPecturmsystem，ineludinghteholistierfmaeofhtesystemnadtheehoieesofeureialPar别的eters.ThedesignofhtissehemedaoPtsASICehiPtouflfillthemainufnetionsofthesPreadsPecturmeonununieationsystemnadenabeeonortl

6、ledbysotfware.Theeicruit15simPlenadflexible.ThisdesignenauflfilhtedemnadsofdieffrentdatartnasmissionsPeed.ltaeeomPlisheshtedesignofhardwareeireuit，nadexPatiateshteePabailiytofeveyrehiPsinhtissystemnadthePeriPheryinteracfeeireuitbetweenhteseehiPs.AtfernaalysingnadPerdominatingth

7、eeonirollingtimingoftheehiPnadthewokringPrinciPleofhtesystem，htisPpaerdesignshtesystemsotfwareineludinghtemainPrograrn们nebloek，thertnasmissioneonrtolingbloeknadrhereeeivingeonrtollingbloek.AnditemPhasiezsonhowtosettheinnerregistersofSTEL一2000A.Atlast，debugging15doneonhtehardwar

8、ePlatofmr，nadhteeorreetwvaeofmrresultshvae摘要随着移动通信的迅猛发