ImplementationofaWCDMARakeReceiverona
TMS320C62xEDSPDevice
WirelessASPProducts
ABSTRACT
Anumberoftechniquescanbeusedtosearchforthepathsinawidebandcodedivision
multipleaccess(WCDMA)digitalsignalprocessor(DSP)radio.Overall,themillionsof
instructionspersecond(MIPS)requiredtodothissearchareapproximately2%ofthebrute
forceapproachusedinacodedivisionmultipleaccess(CDMA)searchofapplication-specific
integratedcircuit(ASIC)devices.Thesearchisperformedatalevelofpowerwherea
DSP-basedrakereceivercanbeimplementedandreceptioncanbeimproved.This100-MHz
enginesearchesforpathsandreceivesdatausinga6-fingerrakereceiverat58MHz,
therebyimplementingacompleterakereceiveronasingleTMS320C62xEDSPdevice.
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