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