For linear binary PSK codes and quadrature PSK codes, {HEAD ~ the rank} of {TAIL ~ the unmodulated code words}, as binary matrices over the binary field, is used as a design criterion 
For linear binary PSK codes and quadrature PSK codes , { HEAD ~ the rank } of { TAIL ~ the unmodulated code words } , as binary matrices over the binary field , is used as a design criterion
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH