{HEAD ~ An LTE connection request message} is received from {TAIL ~ the idle mode UE}, and message type information of a NAS control message is checked 
is received from
{ HEAD ~ An LTE connection request message } is received from { TAIL ~ the idle mode UE } , and message type information of a NAS control message is checked
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH