function??[QRP]?=BD_GMD_5_stream（HUserNumUserAntennaNumstream_numflag）?

%?H?為信道?Nr*Nt
%?H?按行分成Num個字h對應(yīng)每個用戶，UserAntennaNum為向量，對應(yīng)每用戶的天線數(shù)
%?flag標示是?真二用戶?1?假二用戶?0?主要為了減少計算量



%將H分成各子信道矩陣
[mn]=size（H）;
I=eye（n）;
%Q_end=[];
%R_end=zeros（m）;
%P_end=[];
%

if?UserNum~=2
????
????[Q1R1P1]?=?BD_GMD_5_stream（H2[UserAntennaNum（1）?sum（UserAntennaNum（2:end））][stream_num（1）?sum（stream_num（2:end））]0）;%假二用戶
????H2=H（UserAntennaNum（1）+1:end:）;
%????rank_of_rightmatrix=rank（（I-P（:1:stream_num（1））*P（:1:stream_num（1））‘））;
%????rank_of_old_H=rank（H（UserAntennaNum（1）+1:end:））;???
%????rank_of_new_H=rank（H2）;
????[Q2R2P2]?=?BD_GMD_5_stream（H2*（I-P1*P1‘）UserNum-1UserAntennaNum（2:end）stream_num（2:end）1）;
?
%????合成最后分解矩陣
????Q=blkdiag（Q1Q2）;
????R=blkdiag（R1R2）;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2011-08-25?16:56??BD_GMD_THP_v11_meanpower_user_order_stream_reduction\
?????文件????????1891??2011-08-22?20:32??BD_GMD_THP_v11_meanpower_user_order_stream_reduction\BD_GMD_5_stream.m
?????文件?????????359??2011-08-22?20:32??BD_GMD_THP_v11_meanpower_user_order_stream_reduction\BD_GMD_nonlinear_decomposition.m
?????文件?????????487??2011-08-22?20:32??BD_GMD_THP_v11_meanpower_user_order_stream_reduction\feedback.m
?????文件????????8071??2011-08-22?20:32??BD_GMD_THP_v11_meanpower_user_order_stream_reduction\figure.fig
?????文件????????1050??2011-08-22?20:32??BD_GMD_THP_v11_meanpower_user_order_stream_reduction\GMD_encoder.m
?????文件????????3182??2011-08-22?20:32??BD_GMD_THP_v11_meanpower_user_order_stream_reduction\gmd_zcy.m
?????文件????????1145??2011-08-22?20:32??BD_GMD_THP_v11_meanpower_user_order_stream_reduction\gmd_zcy_streamreduce.m
?????文件???????23761??2011-08-22?20:32??BD_GMD_THP_v11_meanpower_user_order_stream_reduction\Linear-BD-GMD-SVD-THP-16QAM-4user-uesrodrder-streamreduced-40000--2011.1.19.9.16.mat
?????文件????????8826??2011-08-22?20:32??BD_GMD_THP_v11_meanpower_user_order_stream_reduction\MIMO_THP_blockdiagonal.m
?????文件?????????265??2011-08-22?20:32??BD_GMD_THP_v11_meanpower_user_order_stream_reduction\mod_thp.m
?????文件?????????843??2011-08-22?20:32??BD_GMD_THP_v11_meanpower_user_order_stream_reduction\optimal_order.m
?????文件?????????335??2011-08-22?20:32??BD_GMD_THP_v11_meanpower_user_order_stream_reduction\random_order.m
?????文件?????????184??2011-08-22?20:32??BD_GMD_THP_v11_meanpower_user_order_stream_reduction\water_inverse.m