function?[X_hat]=OSIC_detector（yHsigma2nTOSIC_type）
%?Input?parameters
%???y?????:?Received?signalnRx1
%???H?????:?Channel?matrix?nRxnT
%???sigma2:?Noise?variance
%???nT????:?Number?of?Tx?antennas
%???OSIC_type
%???????-?1?:?Post_detection_SINR
%???????-?2?:?Column_max
%???????-?3?:?Post_detection_SNR
%?Output?parameter
%???X_hat?:?Estimated?signalnTx1

%MIMO-OFDM?Wireless?Communications?with?MATLAB㈢???Yong?Soo?Cho?Jaekwon?Kim?Won?Young?Yang?and?Chung?G.?Kang
%2010?John?Wiley?&?Sons?（Asia）?Pte?Ltd

if?OSIC_type==1??%?Post_detection_SINR
??Order=[];??%?detection?order
??index_array=[1:nT];?%?yet?to?be?detected?signal?index
??%?V-BLAST
??for?stage?=?1:nT
?????Wmmse=inv（H‘*H+sigma2*eye（nT+1-stage））*H‘;??%?MMSE?filter
?????WmmseH=Wmmse*H;
?????SINR=[];
?????for?i?=1:nT-（stage-1）
????????tmp=?norm（WmmseH（i[1:i-1?i+1:nT-（stage-1）]））^2?...
??????????????+?sigma2*norm（Wmmse（i:））^2;
????????SINR（i）=abs（WmmseH（ii））^2/tmp;?%?SINR?calculation
?????end
?????[val_maxindex_temp]?=?max（SINR）;????%?ordering?using?SINR
?????Order?=?[Order?index_array（index_temp）];?
?????index_array?=?index_array（[1:index_temp-1?index_temp+1:end]）;?
?????x_temp（stage）?=?Wmmse（index_temp:）*y;?????%?MMSE?filtering
?????X_hat（stage）?=?QAM16_slicer（x_temp（stage）1）;?%?slicing
?????y_tilde?=?y?-?H（:index_temp）*X_hat（stage）;?%?interference?subtraction
?????H_tilde?=?H（:[1:index_temp-1?index_temp+1:nT-（stage-1）]）;?%?new?H
?????H?=?H_tilde;???y?=?y_tilde;
??end
??X_hat（Order）?=?X_hat;
elseif?OSIC_type==2?%?column_norm?ordering?detection
??%X_hat=zeros（nT1）;
??G?=?inv（H）;???????????%?inverse?of?H
??for?i=1:nT????????????%?column_norm?calculation
?????norm_array（i）?=?norm（H（:i））;
??end?
??[sorted_norm_arrayOrder_temp]?=?sort（norm_array）;?
??Order?=?wrev（Order_temp）;
??%?V-BLAST
??for?stage=1:nT
??????x_temp=G（Order（stage）:）*y;????%?Tx?signal?estimation
??????X_hat（Order（stage））=QAM16_slicer（x_temp1）;?%?slicing
??????y_tilde?=?y-H（:Order（stage））*X_hat（Order（stage））;?
??end
else?%?OSIC?with?Post_detection_SNR?ordering
??Order=[];???
??index_array=[1:nT];?%?set?of?indices?of?signals?to?be?detected
??%?V-BLAST
??for?stage=1:nT
?????G?=?inv（H‘*H）*H‘;?
?????norm_array=[];
?????for?i=1:nT-（stage-1）?%?detection?ordering
????????norm_array（i）?=?norm（G（i:））;
?????end
?????[val_minindex_min]=min（norm_array）;?%?ordering?in?SNR
?????Order=[Order?index_array（index_min）];
?????index_array?=?index_array（[1:index_min-1?index_min+1:end]）;?
?????x_temp（stage）?=?G（index_min:）*y;??%?Tx?signal?estimation
?????X_hat（stage）?=?QAM16_slicer（x_temp（stage）1）;??%?slicing
?????y_tilde?=?y-H（:index_min）*X_hat（stage）;?%?interference?subtraction
?????H_tilde?=?H（:[1:index_min-1?index_min+1:nT-（stage-1）]）;?%?new?H
?????H?=?H_tilde;???y?=?y_tilde;
??end
??X_hat（Order）?=?X_hat;
end

?屬性????????????大小?????日期????時(shí)間???名稱
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?????文件???????2854??2010-08-18?15:24??OSIC\OSIC_detector.m

?????文件???????2580??2012-04-20?14:14??OSIC\OSIC_main.m

?????文件????????638??2012-04-28?13:55??OSIC\QAM16_demapper.m

?????文件????????640??2012-04-20?13:18??OSIC\QAM16_mod.m

?????文件????????592??2010-08-18?15:10??OSIC\QAM16_slicer.m

?????目錄??????????0??2012-05-01?13:53??OSIC

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?????????????????7304????????????????????6