A Conformal CPW Folded Slot Antenna Array

《A Conformal CPW Folded Slot Antenna Array》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、6thEuropeanConferenceonAntennasandPropagation(EUCAP)AConformalCPWFoldedSlotAntennaArrayPrintedonaKaptonSubstrateMasudA.Aziz,SayanRoy,LayneA.Berge,Irfanullah,SanjayNariyalandBenjaminD.BraatenDepartmentofElectricalandComputerEngineeringNorthDakotaStateUniversityFargo,NorthDakota58108-6050Email:ben

2、braaten@ieee.orgAbstract—Inthispaper,anewlydevelopedtwoelementcon-Qformalfoldedslotantennaarrayisintroduced.Topreservetheflexibilityofthearray,acoplanarwaveguidetransmissionlineisusedtofeedbothelementsofthearray.MeasurementsshowthatbwasrLsywsaverygoodimpedancematchbetweenthesourceandantennaPexist

3、sforvariousbendangles.Furthermore,measurementsofwbdtheradiationpatternshowthatforvariousbendanglesofthegantennaawayfromthetransmitter,thebroad-sideradiationisonlyslightlyaffected.Finally,severaldesignsaresimulatedtoxLfmshowhowvariousaspectsoftheantennageometryaffectthein-nputimpedance.Overall,go

4、odagreementbetweenmeasurementsandsimulationisobserved.Fig.1.Theproposedconformaltwo-elementCPWfoldedslotantennaarray.I.INTRODUCTIONToday,wirelesssystemsareusedforsharinglargeamountsofinformationwithotherindividuals,trackinventory,harvest-ingenergyandstreamingentertainmenttomillionsofpeoplearound

5、theworld.Someofthelatestareasofresearchinwirelesssystemsincludeultra-widebandantennas,frequencyagileantennasforsoftware-definedandcognitiveradio,re-configurableantennas,andmetamaterial-basedantennas[1]-[8].Manyoftheseareashavebeenbroadandprogressiveandhavesignificantlyimprovedtheperformanceofprinte

6、dantennas;howevernoticeablylessresearchhasbeeninvolvedwiththedevelopmentofprintedconformalantennaarraysandFig.2.Theprintedtwo-elementCPWfoldedslotantennaarrayon2textileantennas[8]-[14].milKapton(b=5.0mm,s=61.0mm,ws=21.37mm,Ls=43.4mm,r=41.8mm,d=2.0mm,g=0.63mm,m=1.79mm,n=II.THECONFORMALFOLDEDSLOTA

7、RRAY0.71mm,Lf=2.77mm,P=43.5mmandQ=160.5mm).ThispaperintroducesanewconformalCoplanarWaveguide(CPW)foldedslotantennaarrayforbandsinandaroundthe3.5GHzWiMAXband.Adrawingofthetwo-elementfoldedslotarrayisshowninFig.1.TheCPWfoldeds