[PDF] Covert Communication in Backscatter Radio

http://users.cecs.anu.edu.au/~xyzhou/papers/conf/icc19_shahzad.pdf

K Shahzad, X Zhou

Covert communication in backscatter radio systems is considered, where the transmitter controls its transmit power to keep the transponder's response hidden, while a warden tries to detect this covert communication. To achieve covertness, we …