function d = random_data(block_size)
% d = random_data(block_size)
%
% Generates a block of equiprobable random binary data, {0, 1}
%
% Input:
%   block_size  = the number of bits to generate
%
% Output:
%   d           = random data bits, {0, 1}

% History:
%   2000-06-26  written /Stefan

d = (rand(1, block_size) > .5);