In {TAIL ~ this embodiment}, the inbound symbol may include {HEAD ~ phase information} and frequency information  
In { TAIL ~ this embodiment } , the inbound symbol may include { HEAD ~ phase information } and frequency information
OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH