function?output_frame?=?demodulation（input_modu?index）
%?demodulation?for?IEEE802.11a
%?Input:????input_modu?complex?values?representing?constellation?points
%???????????index
%?Output:???output_frame?output?bit?stream?（data?unit?is?one?bit）

%?In?this?version?increase?the?quatilization?levels?into?8.
%?note:?Matlab?index?starts?from?1
QAM_input_I?=?real（input_modu）;
QAM_input_Q?=?imag（input_modu）;
output_frame?=?zeros（1length（input_modu）*index）;
switch?index
case?1
????BPSK_Demodu_I?=?[0?1];??????%f（m）=（m+1）/2?+?1?so?I=-1?--->?1?I=1?--->?2
????idx?=?find（QAM_input_I>1）;
????QAM_input_I（idx）?=?1;
????idx?=?find（QAM_input_I<-1）;
????QAM_input_I（idx）?=?-1;
????output_frame?=?BPSK_Demodu_I（round（（QAM_input_I+1）/2）?+?1）;
case?2
????QPSK_Demodu_IQ?=?[0?1];?????%f（m）

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件????????2693??2012-04-11?17:33??demodulation.m
?????文件?????????764??2012-04-11?17:33??minnorm.m
?????文件????????1237??2010-12-01?11:56??modulation.m
?????文件????????5641??2014-07-24?15:24??VBLAST.asv
?????文件????????5647??2014-07-26?10:53??VBLAST.m