低成本的无线通信系统设计指南

低成本的无线通信系统设计指南"Guidelinestolowcostwirelesssystemdesign"FrankKarlsen-RFDesigner,WirelessCommunications,NordicVLSIASATherecentavailabilityofradiocomponentsoperatinginthelicensefreeLowPowerRadioDevice(LPRD)bands,hasmadeimplementationofsystemswithwirelessdatatransmissioneasier.Designofsuchsystemswasearlieracloselyguardedsecret,reservedforRF-designerswithyearsofexperience.Today,amultitudeofvendorsoffercomponentsrangingfromsimplesingleON/OFF-keyingtransmitterstoadvancedmulti-channelGMSK-transceivers.Althoughtheavailabilityofoff-the-shelfcomponentshasmadewirelesssystemdesigneasier,thesystemdesignerstillneedssomefundamentalknowledgeofwhichradio-relatedparametersinfluencetheover