Thus, it is expected that the size of {TAIL ~ interference} becomes smaller even in a frame subsequent to {HEAD ~ a frame} in which large interference occurs by chance 
Thus , it is expected that the size of { TAIL ~ interference } becomes smaller even in a frame subsequent to { HEAD ~ a frame } in which large interference occurs by chance
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH