{HEAD ~ An indication} is also sent to {TAIL ~ the system station} that the node for relaying has different buffering capabilities than the user station 
is sent to
{ HEAD ~ An indication } is also sent to { TAIL ~ the system station } that the node for relaying has different buffering capabilities than the user station
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH