{HEAD ~ A transceiver device} operates as {TAIL ~ a source} of a data transmission in a communication system capable of dynamically allocating spectrum for transmission of the data transmission between the transceiver device and a second transceiver device  
operates as
{ HEAD ~ A transceiver device } operates as { TAIL ~ a source } of a data transmission in a communication system capable of dynamically allocating spectrum for transmission of the data transmission between the transceiver device and a second transceiver device
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL 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