FIG 2 illustrates a system 200 using a plurality of devices employing wireless communication using techniques such as {HEAD ~ reflective backscatter} to provide and receive {TAIL ~ information} 
to receive
FIG 2 illustrates a system 200 using a plurality of devices employing wireless communication using techniques such as { HEAD ~ reflective backscatter } to provide and receive { TAIL ~ information }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH REL TAIL TAIL TAIL TAIL TAIL