A terminal transmits a beacon for participating in {HEAD ~ a network} in {TAIL ~ the wireless ad hoc communication system} 
in
A terminal transmits a beacon for participating in { HEAD ~ a network } in { TAIL ~ the wireless ad hoc communication system }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL