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