A method of dynamic spectrum allocation for transmission of {HEAD ~ data} within {TAIL ~ a frequency band}, comprising the steps at a source of the transmission of: 
within
A method of dynamic spectrum allocation for transmission of { HEAD ~ data } within { TAIL ~ a frequency band } , comprising the steps at a source of the transmission of :
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH