84 lines
2.5 KiB
Mathematica
84 lines
2.5 KiB
Mathematica
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function RU_avai = Corrcoef_Calculate(staFeedback,Type, jam_data)
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numUsers = length(staFeedback);
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[Nst,numRx,numSTS] = size(staFeedback{1});
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% combine_matrix = zeros(Nst,numRx*numUsers,numSTS);
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% 将反馈矩阵按用户纵向拼接
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combine_matrix = cell(1,numRx);
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Nru = 4;
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RU_avai = zeros(1,Nru);
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for rxIdx = 1:numRx
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combine_matrix{rxIdx} = zeros(Nst,numUsers,numSTS);
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for userIdx = 1:numUsers
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combine_matrix{rxIdx}(:,userIdx,:) = staFeedback{userIdx}(:,rxIdx,:);
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end
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ru1 = combine_matrix{rxIdx}(1:52,:,:);
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ru2 = combine_matrix{rxIdx}(54:105,:,:);
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ru3 = combine_matrix{rxIdx}(138:190,:,:);
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ru4 = combine_matrix{rxIdx}(191:end,:,:);
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RU_matrix = {ru1,ru2,ru3,ru4};
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for ruIdx = 1:Nru
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fprintf('第%d个RU：\n',ruIdx);
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% 计算每个空间流在不同接收天线下的相关系数
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Coefs = cell(1,numSTS);
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num_corr = zeros(1,numSTS);
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disp('每个空间流的信道相关系数矩阵为：');
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for stsIdx = 1:numSTS
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Coef = corrcoef(abs(RU_matrix{ruIdx}(:,:,stsIdx)));
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Coef(logical(eye(size(Coef)))) = -1;
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Coefs{stsIdx} = Coef;
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disp(Coef);
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num_corr(stsIdx) = sum(Coef>0.5,'all');
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end
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disp('相关系数大于0.5的天线为：');
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disp(num_corr);
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if sum(num_corr) == 0
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RU_avai(ruIdx) = RU_avai(ruIdx)+1;
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end
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end
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end
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% figure();
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% for rxIdx = 1:numRx
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% for stsIdx = 1:numSTS
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% for userIdx = 1:numUsers
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% plot(abs(combine_matrix{rxIdx}(:,userIdx,stsIdx)));
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% hold on;
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% end
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% end
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% end
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% hold off;
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% pause(0.5);
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% close;
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% 判断频谱干扰对RU的影响
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if strcmp(Type,'multi')
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for Idx = 1:length(jam_data)
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f_idx = jam_data{1}(Idx)/10*Nst;
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if 1 < f_idx < 52
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RU_avai(1) = RU_avai(1)-0.5;
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elseif 54 < f_idx < 105
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RU_avai(2) = RU_avai(2)-0.5;
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elseif 138 < f_idx < 190
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RU_avai(3) = RU_avai(3)-0.5;
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elseif 191 < f_idx < Nst
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RU_avai(4) = RU_avai(4)-0.5;
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end
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end
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elseif strcmp(Type,'mono')
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f_idx = jam_data/10*Nst;
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if 1 < f_idx < 52
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RU_avai(1) = RU_avai(1)-0.5;
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elseif 54 < f_idx < 105
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RU_avai(2) = RU_avai(2)-0.5;
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elseif 138 < f_idx < 190
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RU_avai(3) = RU_avai(3)-0.5;
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elseif 191 < f_idx < Nst
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RU_avai(4) = RU_avai(4)-0.5;
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end
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end
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fprintf('4个RU中可用的RU为：');
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disp(RU_avai);
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end
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