The method 2, wherein the burst data and {HEAD ~ the control information} are received by asserting {TAIL ~ a control signal} by the FEC encoder 
The method 2 , wherein the burst data and { HEAD ~ the control information } are received by asserting { TAIL ~ a control signal } by the FEC encoder
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH