BER v/s SNR PLOT of an OFDM SIGNAL through RAYLEIG
2016-08-23
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PROCEDURE
Readthe input bit stream and plot it.
Calculate the no. of subcarriers and convert serial input sequence to aparallel one
Perform the quadrature amplitude modulation(16-QAM) with the input bitstream
Generate the OFDM signal(with and without cyclic prefix) by performing IFFTof modulated signal at the transmitter
Pass the OFDM signal through a Rayleigh fading channel and a Rician fading channel
Pass the Rayleigh and Rician faded signals through an AWGN channel for various values of SNR
Remove the cyclic prefix and demodulate the transmitted signal at the receiver
Plot each signals at transmitter and receiver
Calculate the BER for various values of SNR
Plot the BER v/s SNR curve for Rayleigh fading and Rician fading
Readthe input bit stream and plot it.
Calculate the no. of subcarriers and convert serial input sequence to aparallel one
Perform the quadrature amplitude modulation(16-QAM) with the input bitstream
Generate the OFDM signal(with and without cyclic prefix) by performing IFFTof modulated signal at the transmitter
Pass the OFDM signal through a Rayleigh fading channel and a Rician fading channel
Pass the Rayleigh and Rician faded signals through an AWGN channel for various values of SNR
Remove the cyclic prefix and demodulate the transmitted signal at the receiver
Plot each signals at transmitter and receiver
Calculate the BER for various values of SNR
Plot the BER v/s SNR curve for Rayleigh fading and Rician fading
matlab
ofdm
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衰落
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信噪比
莱斯
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