Standby laws {HEAD ~ Li} having {TAIL ~ frequency jumps} deduced from the traffic law L are applied during the silent periods of the network 
having
Standby laws { HEAD ~ Li } having { TAIL ~ frequency jumps } deduced from the traffic law L are applied during the silent periods of the network
OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH