A radio frequency signal is received from a transmission channel into {TAIL ~ a receive path}, and delay spread in {HEAD ~ the radio frequency signal} is estimated using an analysis circuit 
A radio frequency signal is received from a transmission channel into { TAIL ~ a receive path } , and delay spread in { HEAD ~ the radio frequency signal } is estimated using an analysis circuit
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH