In {TAIL ~ certain embodiments}, {HEAD ~ the reader} may receive the SAPK from the reader, for example in a combination backscattered by the tag at operation 2002 
In
In { TAIL ~ certain embodiments } , { HEAD ~ the reader } may receive the SAPK from the reader , for example in a combination backscattered by the tag at operation 2002
REL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH