perform {HEAD ~ scheduling} to allocate {TAIL ~ a frequency} based on an uplink channel reception state of the user apparatus, and 
perform { HEAD ~ scheduling } to allocate { TAIL ~ a frequency } based on an uplink channel reception state of the user apparatus , and
OTH 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 OTH