This is effective since time division duplexing is used and both transmission and reception take {HEAD ~ place} on {TAIL ~ the same frequency} 
on
This is effective since time division duplexing is used and both transmission and reception take { HEAD ~ place } on { TAIL ~ the same frequency }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL