{HEAD ~ A reference signal} having an inverted carrier phase from that of the synchronizing signal part is inserted between the synchronizing signal part and {TAIL ~ the control part} 
is inserted between
{ HEAD ~ A reference signal } having an inverted carrier phase from that of the synchronizing signal part is inserted between the synchronizing signal part and { TAIL ~ the control part }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL