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01-LEWINSiGeCircuitsforMicrowaveRadioApplicationsThomasLewin,HaraldJacobsson,BertilHansson,YinggangLi,SpartakGevorgianMicrowaveandHighSpeedElectronicsResearchCentreEricssonMicrowaveSystemsABMarketaspectsThemarketformicrowavecommunicationlinkshasbeengrowingalmostexponentiallyforanumberofyears.Ifthecostlevelformicrowavelinksinthefuturecanbesubstantiallyreducedanumberofnewapplicationscouldbepossibletobeintroducedonthemarket,suchasMVDSsystemsforresidentialcustomersorWLANsystemsat60GHz.Anotherareainwhichmicrowaveandmillimetrewavesystemswillalsoplayamajorroleisintransportation.Thiswillprovidefunctionssuchastrafficcontrol,collisionavoidance,activecruisecontrol,andcartocarcommunication……