This has the advantage of reducing call blocking for high priority calls, while permitting {HEAD ~ low priority calls} to have {TAIL ~ more access} to radio resources than conventional systems with the same call blocking rate 
to have
This has the advantage of reducing call blocking for high priority calls , while permitting { HEAD ~ low priority calls } to have { TAIL ~ more access } to radio resources than conventional systems with the same call blocking rate
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH