When using the same adaptive filter for communications such as BPL and for diagnostic line characterisation, the model will be constrained by computational limits: in this case, {HEAD ~ the adaptive filter} used for {TAIL ~ communications} is likely to be a sub model of the diagnostic model 
When using the same adaptive filter for communications such as BPL and for diagnostic line characterisation , the model will be constrained by computational limits : in this case , { HEAD ~ the adaptive filter } used for { TAIL ~ communications } is likely to be a sub model of the diagnostic model
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 OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH