The space-time sequence structures Sout,k may be constructed by an encoder, as described above with respect to FIGS. 2 and 5, or other methods, which may be known in the art, may be utilized to construct the space-time sequence structures Sout,k.In the final step 172 of the method 160, the peak-to-average power ratio (PAPR) of the space-time sequence structures Sout,k are tested to determine if th