wherein {HEAD ~ the synchronization signal generating part} inserts {TAIL ~ an effective sub carrier signal} every Nth piece of SYNC and inserts “0” in other cases 
inserts
wherein { HEAD ~ the synchronization signal generating part } inserts { TAIL ~ an effective sub carrier signal } every Nth piece of SYNC and inserts “ 0 ” in other cases
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH