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BER for QPSK in OFDM with Rayleigh multipath channel

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student111

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Hello,

with simulation BER for BPSK in OFDM with Rayleigh multipath channel,
i have resultats :

figure-resultat.JPG

can you explain is correct this simulation

parametres are :

FFT size. nFFT 64
Number of used subcarriers. nDSC 52
FFT Sampling frequency 20MHz
Subcarrier spacing 312.5kHz
Used subcarrier index {-26 to -1, +1 to +26}
Cylcic prefix duration, Tcp 0.8us
Data symbol duration, Td 3.2us
Total Symbol duration, Ts 4us




thank you very much
 

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