function??BerSnrTable=AAA（maxsnr）
fprintf（?‘AAA仿真\n‘）?;
BerSnrTable?=?zeros（maxsnr+13）;
%?---------------------------------------------?%
%???????????????????參數定義?????????????????????%
%?---------------------------------------------?%
%?Initialize?the?parameters
NumLoop?=?100;
NumSubc?=?64;
NumCP?=?16;
SyncDelay?=?0;
%?子載波數????????????64
%?位數/?符號??????????2
%?符號數/?載波????????1000
%?訓練符號數??????????0
%?循環前綴長度????????8???（1/16）*T
%?調制方式????????????4-QAM
%?多徑信道數??????????3?
%?IFFT?Size??????????64?
%?信道最大時延????????2
%?---------------------------------------------?%
%??????????????????QPSK?MODULATION??????????????%
%?---------------------------------------------?%
for?snr=0:maxsnr
BerSnrTable（snr+11）?=?snr;
BitsTx?=?floor（rand（1NumLoop*NumSubc）*2）;
SymQpsk=QpskMapping（BitsTx）;
%SymQAMtmp?=?reshape（BitsTx2NumLoop*NumSubc/2）.‘;
%SymQAMtmptmp?=?bi2de（SymQAMtmp2‘left-msb‘）;
%QAMTable?=?[-1-i?-1+i?1-i?1+i];
%SymQAM?=?QAMTable（SymQAMtmptmp+1）;
SymQpskd=zeros（1NumLoop*NumSubc/2）;
for?i=?1:2*NumSubc:NumLoop*NumSubc/2-2*NumSubc+1
?????????c1=[];
?????????c2=[];
????????x1=SymQpsk（1i:i+63）;
????????x2=SymQpsk（1i+64:i+127）;
?%?---------------------------------------------?%
?%???????????????????IFFT????????????????????????
?%?---------------------------------------------?%
?SymIFFTtmp?=?reshape（x1NumSubc1）;
?SymIFFT?=?ifft（SymIFFTtmpNumSubc）;
?%?---------------------------------------------?%
?%?????????????Add?cyclic?prefix?????????????????%
?%?---------------------------------------------?%
?NumAddPrefix?=?NumSubc?+?NumCP;
?s1?=?zeros（NumAddPrefix1）;
?RowPrefix?=?（NumSubc?-?NumCP?+?1）:NumSubc;
?s1?=?[SymIFFT（RowPrefix:）;SymIFFT];
?X1=reshape（s11NumAddPrefix）;
%?---------------------------------------------?%
%?????????????????????FFT???????????????????????%
%?---------------------------------------------?%
SymIFFTtmp1?=?reshape（x2NumSubc1）;
SymFFT?=?fft（SymIFFTtmp1NumSubc1）;
%?---------------------------------------------?%
%?????????????Add?cyclic?prefix?????????????????%
%?---------------------------------------------?%
?NumAddPrefix?=?NumSubc?+?NumCP;
?s2?=?zeros（NumAddPrefix1）;
?RowPrefix?=?（NumSubc?-?NumCP?+?1）:NumSubc;
?s2?=?[SymFFT（RowPrefix:）;SymFFT];
?X2=reshape（s21NumAddPrefix）;
%?---------------------------------------------?%
%?????????????channel??cofficient???????????????%
%?---------------------------------------------?%
?h1=randn（1NumAddPrefix）+j*randn（1NumAddPrefix）;
?H1=diag（h10）;
?h2=randn（1NumAddPrefix）+j*randn（1NumAddPrefix）;
?H2=diag（h20）;
?h3=randn（1NumAddPrefix）+j*randn（1NumAddPrefix）;
?H3=diag（h30）;
?h4=randn（1NumAddPrefix）+j*randn（1NumAddPrefix）;
?H4=diag（h40）;
?%生成加性高斯白噪聲%
?zsnl=sqrt（1/（10^（（snr）/10）））;
?N11=zsnl*（randn（1NumAddPrefix）+j*randn（1NumAddPrefix））;
?N12=zsnl*（randn（1NumAddPrefix）+j*randn（1NumAddPrefix））;
?N21=zsnl*（randn（1NumAddPrefix）+j*randn（1NumAddPrefix））;
?N22=zsnl*（randn（1NumAddPrefix）+j*randn（1N

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

?????文件???????5971??2010-04-13?15:07??AF_DF?性能比較\AAA.asv

?????文件???????5972??2010-04-13?15:07??AF_DF?性能比較\AAA.m

?????文件?????158158??2010-04-13?15:27??AF_DF?性能比較\AAA.pdf

?????文件???????1363??2010-04-20?16:19??AF_DF?性能比較\AF.asv

?????文件???????1337??2010-04-20?16:33??AF_DF?性能比較\AF.m

?????文件???????4776??2010-04-13?15:07??AF_DF?性能比較\AF_DF.asv

?????文件???????7815??2010-04-13?15:08??AF_DF?性能比較\AF_DF.fig

?????文件???????5009??2010-04-13?15:08??AF_DF?性能比較\AF_DF.m

?????文件???????7729??2010-04-13?15:08??AF_DF?性能比較\AF_DF1.fig

?????文件?????????43??2010-04-13?15:08??AF_DF?性能比較\channel.asv

?????文件?????????54??2010-04-13?15:08??AF_DF?性能比較\channel.m

?????文件????????556??2010-04-13?15:08??AF_DF?性能比較\crc.m

?????文件????????269??2010-04-13?15:08??AF_DF?性能比較\decrc16.m

?????文件???????3565??2010-04-13?15:08??AF_DF?性能比較\DF.asv

?????文件???????3576??2010-04-20?16:23??AF_DF?性能比較\DF.m

?????文件????????704??2010-04-13?15:08??AF_DF?性能比較\QpskInverseMapping.m

?????文件???????1504??2010-04-13?15:08??AF_DF?性能比較\QpskMapping.m

?????文件????????754??2010-04-13?15:08??AF_DF?性能比較\RayleighCH.m

?????文件???????1253??2010-04-13?15:08??AF_DF?性能比較\Test.asv

?????文件???????1260??2010-04-13?15:08??AF_DF?性能比較\Test.m

?????文件????????607??2010-04-13?15:08??AF_DF?性能比較\Untitled.asv

?????文件????????727??2010-04-13?15:08??AF_DF?性能比較\Untitled.m

?????目錄??????????0??2010-05-07?13:22??AF_DF?性能比較

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

???????????????213002????????????????????23