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The Effect of HPA over OFDM systems HELP!!

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Osbamail

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Dear all
searching through google all the ways lead to you,
i hope i can find what i need here

am trying to implement a OFDM system with the following criteria :
Generate random data
then after the usual OFDM steps (modulation, fft , etc..) pass the data through any kind of HPA (SSPA, TWTA ,.. etc)

to study the effect of the HPA non - linearity on the generated signals , then compare the the results using BER and spectral Density graphs..

If any One have any thing related to the subject that can be an assist i will be more than grateful :)

waiting for all the kind edaboarders there ;)
 

RCinFLA

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Just make sure you create a modulation/carriers test modulation that gives worse case high end peak to average power ratio.
 

Osbamail

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thanx alot but am not studying the effect in relation with PAPR , i just need the way to plot the BER using different modulation method especially (64-QAM). and relatively plot the PSD.
 

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