{HEAD ~ a phase error estimation unit} configured to calculate {TAIL ~ a phase error} using the pilot symbol existing in the data packet, the calculated phase error being provided to the symbol transition calculation unit 
{ HEAD ~ a phase error estimation unit } configured to calculate { TAIL ~ a phase error } using the pilot symbol existing in the data packet , the calculated phase error being provided to the symbol transition calculation unit
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH