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Re: fft implementation
Hi,
I have made the simulation code for SC-FDMA, I want evaluate to its PAPR, how should I calculate it. Please help, here I am calculating in this way:
for ii = 1:OFDMSym
outputiFFT=Transmitted_data(ii,:);
meanSquareValue = outputiFFT*outputiFFT'/length(outputiFFT)...
I am trying to understand the Matlab program for BPSK OFDM with FFT size=64. At the time of taking ifft it takes fftshift. It also normalizes the power of transmit symbol to 1 i.e. xt = (nFFT/sqrt(nDSC))*ifft(fftshift(xF.’)).’ , i have following queries:
1. Why there is a need of normalization...
I want to make OFDM code using 16-PSK modulation and having FFT Size=64. As we know the predefined function for M-PSK which is given as: modulate(modem.pskmod(modindex),data).
How can i utilize this function for OFDM? I mean, how should i put FFT size in this function?
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