{HEAD ~ The transceiver} determines {TAIL ~ what portion} of the spectrum is desired for data transmission and then transmits the data transmission within a dynamically selected portion of the available spectrum 
determines
{ HEAD ~ The transceiver } determines { TAIL ~ what portion } of the spectrum is desired for data transmission and then transmits the data transmission within a dynamically selected portion of the available spectrum
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH