receiving a buffer information report from a node for relaying {HEAD ~ communications} between {TAIL ~ at least one user station} and a system station, the report being generated based on a report format used for uplink reporting by a user station and 
between
receiving a buffer information report from a node for relaying { HEAD ~ communications } between { TAIL ~ at least one user station } and a system station , the report being generated based on a report format used for uplink reporting by a user station and
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH