BER Estimation of OFDM System over Frequency Selective Fading Channels
نویسندگان
چکیده
OFDM system is promising technology for high speed data communication in wireless media. In this paper OFDM system model is developed over flat fading channel with Additive Gaussian White Noise (AWGN). Initially BER analysis is carried out in OFDM system with the number of sub-carriers ‘N’ using M-ary PSK and M-ary QAM. Analysis is carried out with the number of sub-carriers (N=64) with Rayleigh and Ricean fading. Due to multipath, phase errors occur in the channel which influences distorted result at the output of the receiver. Phase errors are reduced by increasing the SNR in the system.
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