In {HEAD ~ a third embodiment}, {TAIL ~ the carrier signals} are oversampled without being downconverted or producing the inphase and quadrature signals 
In { HEAD ~ a third embodiment } , { TAIL ~ the carrier signals } are oversampled without being downconverted or producing the inphase and quadrature signals
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH