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