zf_osic.m

MC_CDMA具有良好的抗干扰和抗多径衰落过程

function d=zf_osic(Rt1,H,M,N,wordsize)%从另一个文件加进来的tinna


        k = [];
        r=Rt1;
        %mapping=map(wordsize);
        for tt=1:M
           
            G = pinv(H);
            normG = sum(abs(G).^2,2);
            normG(k) = inf;
            k(tt) = find(normG == min(normG));
            w = G(k(tt),:) ;
            y = w*r;
            d(k(tt),:)= y;
            %s(k(tt),:)= demap(size(y,2),wordsize,y);
            %a(k(tt),:)= mapping(1+s(k(tt),:));
            % nulling starts here
            r = r - H(:,k(tt))*d(k(tt),:);

            H(:,k(tt)) = zeros(size(H(:,k(tt))));
        end