Cedric Roux
56c66c09aa
Pre-ci test passed git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4000 818b1a75-f10b-46b9-bf7c-635c3b92a50f
85 lines
3.8 KiB
Matlab
Executable File
85 lines
3.8 KiB
Matlab
Executable File
n2=1;
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%% generate iid channel matrices
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HH1=randn(1,4,n2,10000)/sqrt(2)+j*randn(1,4,n2,10000)/sqrt(2);
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HH2=randn(2,4,n2,10000)/sqrt(2)+j*randn(2,4,n2,10000)/sqrt(2);
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%HH2=randn(2,2,n2,10000)/sqrt(2)+j*randn(2,2,n2,10000)/sqrt(2);
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HH4=randn(4,4,n2,10000)/sqrt(2)+j*randn(4,4,n2,10000)/sqrt(2);
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HMU=randn(4,4,1,10000,4)/sqrt(2)+j*randn(4,4,1,10000,4)/sqrt(2);
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M_Tx=4;
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M_Rx=2;
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SNR=10;
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% fk: We do not need this normalization, since E(|h_{i,j}|^2) = 1!
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% PP=squeeze(mean(mean(mean(abs(HH).^2,1),2),3));
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% PP_mean=PP;
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% PP=squeeze(mean(mean(mean(abs(HH2).^2,1),2),3));
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% PP2_mean=PP;
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% PP=squeeze(mean(mean(mean(abs(HH1).^2,1),2),3));
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% PP1_mean=PP;
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%% calcualte capacity
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%Cap4x2_iid=zeros(size(HH,3),size(HH,4));
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Cap1x4_iid=zeros(size(HH1,3),size(HH1,4));
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Cap2x4_iid=zeros(size(HH1,3),size(HH1,4));
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Cap4x4_iid=zeros(size(HH1,3),size(HH1,4));
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for k1=1:size(HH1,3)
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for k2=1:size(HH1,4)
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%Cap4x2_iid(k1,k2)=abs(log2(det(diag(ones(2,1))+SNR/4*HH(:,:,k1,k2)*HH(:,:,k1,k2)')));
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Cap1x4_iid(k1,k2)=abs(log2(det(diag(ones(1))+SNR/4*HH1(:,:,k1,k2)*HH1(:,:,k1,k2)')));
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Cap2x4_iid(k1,k2)=abs(log2(det(diag(ones(2,1))+SNR/4*HH2(:,:,k1,k2)*HH2(:,:,k1,k2)')));
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Cap4x4_iid(k1,k2)=abs(log2(det(diag(ones(4,1))+SNR/4*HH4(:,:,k1,k2)*HH4(:,:,k1,k2)')));
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end
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end
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CAP_SU1x1_TDMA_ML_iid = capacity_SU_TDMA_ML(HMU(1,1,:,:,:),SNR,0);
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CAP_SU2x1_TDMA_ML_iid = capacity_SU_TDMA_ML(HMU(1:2,1,:,:,:),SNR,0);
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CAP_SU2x2_TDMA_ML_iid = capacity_SU_TDMA_ML(HMU(1:2,1:2,:,:,:),SNR,0);
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CAP_SU_TDMA_ML_iid = capacity_SU_TDMA_ML(HMU(1:2,:,:,:,:),SNR,0);
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CAP_SU_TDMA_DSTTD_iid = capacity_SU_TDMA_DSTTD(HMU(1:2,:,:,:,:),SNR,0);
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CAP_SU2x2_TDMA_DSTTD_iid = capacity_SU_TDMA_DSTTD(HMU(1,1:2,:,:,:),SNR,0);
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CAP_SU1x4_TDMA_CL_ML_iid = capacity_SU_TDMA_CL_ML(HMU(1,:,:,:,:),SNR,0);
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CAP_SU2x4_TDMA_CL_ML_iid = capacity_SU_TDMA_CL_ML(HMU(1:2,:,:,:,:),SNR,0);
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CAP_SU4x4_TDMA_CL_ML_iid = capacity_SU_TDMA_CL_ML(HMU(1:4,:,:,:,:),SNR,0);
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%% plot results
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%[Cap4x2_iid_f,Cap4x2_iid_x] = ecdf(Cap4x2_iid(:));
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[Cap1x4_iid_f,Cap1x4_iid_x] = ecdf(Cap1x4_iid(:));
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[Cap2x4_iid_f,Cap2x4_iid_x] = ecdf(Cap2x4_iid(:));
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[Cap4x4_iid_f,Cap4x4_iid_x] = ecdf(Cap4x4_iid(:));
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[Cap_SU_TDMA_ML_iid_f,Cap_SU_TDMA_ML_iid_x] = ecdf(CAP_SU_TDMA_ML_iid(:));
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[Cap_SU1x1_TDMA_ML_iid_f,Cap_SU1x1_TDMA_ML_iid_x] = ecdf(CAP_SU1x1_TDMA_ML_iid(:));
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[Cap_SU2x1_TDMA_ML_iid_f,Cap_SU2x1_TDMA_ML_iid_x] = ecdf(CAP_SU2x1_TDMA_ML_iid(:));
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[Cap_SU2x2_TDMA_ML_iid_f,Cap_SU2x2_TDMA_ML_iid_x] = ecdf(CAP_SU2x2_TDMA_ML_iid(:));
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[Cap_SU_TDMA_DSTTD_iid_f,Cap_SU_TDMA_DSTTD_iid_x] = ecdf(CAP_SU_TDMA_DSTTD_iid(:));
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[Cap_SU2x2_TDMA_DSTTD_iid_f,Cap_SU2x2_TDMA_DSTTD_iid_x] = ecdf(CAP_SU2x2_TDMA_DSTTD_iid(:));
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[Cap_SU1x4_TDMA_CL_ML_iid_f,Cap_SU1x4_TDMA_CL_ML_iid_x] = ecdf(CAP_SU1x4_TDMA_CL_ML_iid(:));
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[Cap_SU2x4_TDMA_CL_ML_iid_f,Cap_SU2x4_TDMA_CL_ML_iid_x] = ecdf(CAP_SU2x4_TDMA_CL_ML_iid(:));
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[Cap_SU4x4_TDMA_CL_ML_iid_f,Cap_SU4x4_TDMA_CL_ML_iid_x] = ecdf(CAP_SU4x4_TDMA_CL_ML_iid(:));
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%%
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figure(78)
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hold off
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%plot(Cap1x1_iid_x,Cap1x1_iid_f,'g')
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plot(Cap1x4_iid_x,Cap1x4_iid_f)
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hold on
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plot(Cap2x4_iid_x,Cap2x4_iid_f,'r')
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plot(Cap4x4_iid_x,Cap4x4_iid_f,'k')
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plot(Cap_SU2x2_TDMA_ML_iid_x,Cap_SU2x2_TDMA_ML_iid_f,'c')
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plot(Cap_SU_TDMA_DSTTD_iid_x,Cap_SU_TDMA_DSTTD_iid_f,'m')
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%plot(Cap_SU2x2_TDMA_DSTTD_iid_x,Cap_SU2x2_TDMA_DSTTD_iid_f,'k')
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%plot(Cap_SU1x4_TDMA_CL_ML_iid_x,Cap_SU1x4_TDMA_CL_ML_iid_f,'b--')
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%plot(Cap_SU2x4_TDMA_CL_ML_iid_x,Cap_SU2x4_TDMA_CL_ML_iid_f,'r--')
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%plot(Cap_SU4x4_TDMA_CL_ML_iid_x,Cap_SU4x4_TDMA_CL_ML_iid_f,'k--')
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xlabel('bits/sec/Hz')
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ylabel('CDF')
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title('Capacity')
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legend('SU 4x1 iid','SU 4x2 iid','SU 4x4 iid','SU TDMA 2x2 iid ML','SU DSTTD TDMA 4x2 iid'); %,'SU CL TDMA 4x1 iid','SU CL TDMA 4x2 iid','SU CL TDMA 4x4 iid')
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grid on
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%% store results
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% save('cap_iid.mat','-V7','Cap*x','Cap*f'); |