Cedric Roux
56c66c09aa
Pre-ci test passed git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4000 818b1a75-f10b-46b9-bf7c-635c3b92a50f
28 lines
834 B
Matlab
28 lines
834 B
Matlab
function [VS] = codebookRVQ(N,Bi,MC)
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% MC: monte carlo run
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% Bi: number of bits used for CDI (quantized channel directions)
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% N: number of Tx antennas
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%ALL users, for a given MC run, have the same codebook
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VS = zeros(N,2^Bi,MC);
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%PrefPartner = zeros(length(K),MC,2^Bi);
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%orthMatrix = zeros(2^Bi,2^Bi,length(K),MC);
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for mc = 1:MC
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% for k = 1:length(K)
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aux = randn(N,2^Bi) + i*randn(N,2^Bi);
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for p = 1:2^Bi
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aux(:,p) = aux(:,p)./norm(aux(:,p));
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end
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% for s=1:2^Bi
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% for t=1:2^Bi
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% orthMatrix(s,t,k,mc) = abs(aux(:,s)'*aux(:,t));
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% end
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% end
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% for p=1:2^Bi
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% [aux2 PrefPartner(k,mc,p)] = min(orthMatrix(p,:,k,mc));
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% end
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VS(:,:,mc) = aux;
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% end
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end |