The mobile device checks for a coincidence of {HEAD ~ its own link identification code} with {TAIL ~ other link identification codes} included in the FCMC signal and already being used for communication with other mobile devices in the same communication service area 
The mobile device checks for a coincidence of { HEAD ~ its own link identification code } with { TAIL ~ other link identification codes } included in the FCMC signal and already being used for communication with other mobile devices in the same communication service area
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH