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%*********************************************************** % This mfunction generates orthogonal complex % exponential matrix [exp(j*2*pi*n*k/N)] % % AUTHOR: Wenbin Luo % DATE : 04/27/01 % % FUNCTION SYNOPSIS: % y = fh(N,K) % % Parameter Description: % N : length N = 32 % K : number of users %********************************************************** function y = fh(N,K) n = 0:1:N-1; n = n'; k = 0:1:K-1; n_k = n*k; n_k = n_k'; %each row is a user code y = exp(j*2*pi.*n_k/N);