It can be easily observed that {HEAD ~ the number} of {TAIL ~ channels} to search and the number of hypotheses to try are significantly reduced by using the proposal in this disclosure 
of
It can be easily observed that { HEAD ~ the number } of { TAIL ~ channels } to search and the number of hypotheses to try are significantly reduced by using the proposal in this disclosure
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH