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