W-CDMAisa3GCDMAdigitalwirelesssystem5MHzchannelbandwidthVariabledatarateupto2MbpsQPSKmodulationPhysicalChannelsHaveaTwoLayerStructure:Radioframe:10msframeconsistingof15timeslotsTimeslot:667usecslotconsistingofanumberofSymbolsSymbolsareDefinedas:OneSymbolConsistsofaNumberofChi