The base station 6, wherein {HEAD ~ the service metric} comprises {TAIL ~ the quality} of service priority indicator 
comprises
The base station 6 , wherein { HEAD ~ the service metric } comprises { TAIL ~ the quality } of service priority indicator
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH