In an embodiment of the invention the apparatus may include a calibrator which may be implemented using the existing analog to digital conversion and demodulation capabilities on {HEAD ~ the receive path} of {TAIL ~ the modem} or alternately, a dedicated module 
of
In an embodiment of the invention the apparatus may include a calibrator which may be implemented using the existing analog to digital conversion and demodulation capabilities on { HEAD ~ the receive path } of { TAIL ~ the modem } or alternately , a dedicated module
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH