In this case, the interference is the correlation between {TAIL ~ the CAZAC sequences} of {HEAD ~ different bandwidths} 
In this case , the interference is the correlation between { TAIL ~ the CAZAC sequences } of { HEAD ~ different bandwidths }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD