简报使用多用户传输.pdf
ShortPaper:SecureMulti-UserTransmissionusing
CoMPDirectionalModulation
MarwanYusufandHuseyinArslan
SchoolofEngineeringanturalSciences,IstanbulMedipolUniversity
Beykoz,Istanbul34810,Turkey
—DirectionalModulationisarecentlydevelopedII.DIRECTIONALMODULATION
multi-antennatechniqueforsecuretransmission.Itallowsto
transmitsignalsindesireddirectionswhiledistortingthesignalAccordingto[5],weconsiderabroadcastchannelwith
intheotherdirections.TosecurethetransmissioninascenarioasinglebasestationandLuserseachatdifferentdirection.
whereeavesdropperisinthesamedirectionaslegitimateuser,aThebasestationusesalinearantennaarraywithNelements
coordinatedmultipointschemeisproposedtohavealocation-fortransmissionwhereN≥L.Eachdirectionhasitsown
specificsecurecommunicationthatworksevenwhenarichdesireddatastreamandtransmissionanglewithrespecttothe
scatteringenvironmentisnotavailable.Simulationsarepresentedbasestation.Assumingisotropicantennaelementsddistance
toverifytheproposedschemeusing3basestations.apart,theresultantfieldpatternattimeinstantnanddirection
angleθisgivenby
I.INTRODUCTIONf(θ,n)=h(θ)W(n)(1)
Thebroadcastnatureofradiowavesresultsinacritical
−j(N−1)2π