As viewed by the receiver, therefore, information in the time slot is bounded on both sides by {TAIL ~ known sequences}; the preamble for this slot and the preamble for {HEAD ~ the subsequent slot} 
As viewed by the receiver , therefore , information in the time slot is bounded on both sides by { TAIL ~ known sequences } ; the preamble for this slot and the preamble for { HEAD ~ the subsequent slot }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD