a transmitting unit configured to transmit a signal addressed to a broadcast address which does not specify a particular terminal, said signal including beacon information indicating that the terminal has {HEAD ~ a second terminal authorization certificate} to {TAIL ~ a second terminal} having a first terminal authorization certificate 
a transmitting unit configured to transmit a signal addressed to a broadcast address which does not specify a particular terminal , said signal including beacon information indicating that the terminal has { HEAD ~ a second terminal authorization certificate } to { TAIL ~ a second terminal } having a first terminal authorization certificate
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH