Orthogonal FrequencyDivisionMultiplexing(OFDM)isamulti-carriermodulationtechniquewhich dividestheavailable spectrumintomanycarriers.OFDMusesthespectrumefficiently comparedtoFDMAby spacing the channels much closer together and making all carriers orthogonal to one another to prevent interferencebetweenthecloselyspacedcarriers.ThemainadvantageofOFDMistheirrobustnesstochannel fadinginwirelessenvironment. TheobjectiveofthisworkistodesignandimplementanOFDMtransmitter and receiverusingMATLAB.Theworkconcentrates ondevelopingFastFourierTransform(FFT)andInverseFast FourierTransform(IFFT).The workalsoincludesindesigninga mappingmodule,serialtoparallelandparallelto serialconvertermodule.Thedesignuses16-pointsFFTandIFFTfortheprocessingmodulewhichindicatesthat theprocessingblockcontain16inputsdata.AllmodulesareimplementingusingMATLAB.

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Muhammad Abid

Papers

Implementation the Technique of Orthogonal Frequency Division Multiplexing Using 16-Point Fast Fourier Transform and Inverse Fast Fourier Transform