function?SER?=?ofdm（SP）

numSymbols?=?SP.FFTsize;
H_channel?=?fft（SP.channelSP.FFTsize）;

for?n?=?1:length（SP.SNR）
????tic;
????errCount?=?0;

????for?k?=?1:SP.numRun
????????tmp?=?round（rand（2numSymbols））;
????????tmp?=?tmp*2?-?1;
????????inputSymbols?=?（tmp（1:）?+?i*tmp（2:））/sqrt（2）;
????????
????????TxSamples?=?sqrt（SP.FFTsize）*ifft（inputSymbols）;
????
????????ofdmSymbol?=?[TxSamples（numSymbols-SP.CPsize+1:numSymbols）?TxSamples];
????????
????????RxSamples?=?filter（SP.channel?1?ofdmSymbol）;?%?Multipath?Channel
????
????????tmp?=?randn（2?numSymbols+SP.CPsize）;
????????complexNoise?=?（tmp（1:）?+?i*tmp（2:））/sqrt（2）;
????????noisePower?=?10^（-SP.SNR（n）/10）;
????????RxSamples?=?RxSamples?+?sqrt（noisePower）*complexNoise;
????????
????????EstSymbols?=?RxSamples（SP.CPsize+1:numSymbols+SP.CPsize）;
????????Y?=?fft（EstSymbols?SP.FFTsize）;
????????
????????if?SP.equalizerType?==?‘ZERO‘
????????????Y?=?Y./H_channel;
????????elseif?SP.equalizerType?==?‘MMSE‘
????????????C?=?conj（H_channel）./（conj（H_channel）.*H_channel?+?10^（-SP.SNR（n）/10））;
????????????Y?=?Y.*C;
????????end
????????
????????EstSymbols?=?Y;
????????EstSymbols?=?sign（real（EstSymbols））?+?i*sign（imag（EstSymbols））;
????????EstSymbols?=?EstSymbols/sqrt（2）;

????????I?=?find（（inputSymbols-EstSymbols）?==?0）;
????????errCount?=?errCount?+?（numSymbols-length（I））;
????end
????SER（n:）?=?errCount?/?（numSymbols*SP.numRun）;
????[SP.SNR（n）?SER（n:）]
????toc
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1480??2008-04-12?23:31??scfde\ofdm.m

?????文件???????1364??2008-04-12?23:31??scfde\runSimSCFDE.m

?????文件???????1433??2008-04-12?23:31??scfde\scfde.m

?????文件????????796??2012-03-29?16:58??scfde\scfde_awgn.mat

?????文件????????841??2012-03-13?16:40??scfde\scfde_pedA_zero.mat

?????目錄??????????0??2012-03-13?16:40??scfde

-----------?---------??----------?-----??----

?????????????????5914????????????????????6