{HEAD ~ The inventive concept} is based on using {TAIL ~ a scaling unit} to additionally scale the amplitudes of the baseband signals 
is based on using
{ HEAD ~ The inventive concept } is based on using { TAIL ~ a scaling unit } to additionally scale the amplitudes of the baseband signals
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH