Accordingly, an object of the present invention is to provide a radio communication system and communication method that can reduce a delay at {HEAD ~ the time} of {TAIL ~ initial connection} 
of
Accordingly , an object of the present invention is to provide a radio communication system and communication method that can reduce a delay at { HEAD ~ the time } of { TAIL ~ initial connection }
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 REL TAIL TAIL TAIL TAIL TAIL TAIL