PROJECT TITLE :
Analysis and Validation of Active Eavesdropping Attacks in Passive FHSS RFID Systems
In this paper, we gift a generalized framework for active eavesdropping in a very frequency hopping spread spectrum passive radio frequency identification system. In our model, there exists an adversarial reader who is ready to transmit its own continuous wave signal outside the frequency band of the legitimate reader. Thanks to the very fact that beneath backscatter modulation, the tag cannot distinguish completely different frequencies and merely sets the impedance in its circuitry to either low or high to reflect a little bit of 1 or zero, and therefore the adversarial reader’s received signal may be a weighted sum of the response to each its own signal and also the legitimate reader’s signal. Using this model, we have a tendency to offer a theoretical analysis of the capability of the adversarial reader in terms of the decoding error chance for slow frequency and fast frequency hopping systems. We have a tendency to derive analytic formulas and conduct experiments using software defined radios that act as the legitimate reader, the adversarial reader, and Intel Wireless Identification Sensing Platform tags with parameters as per EPC Gen2. Simulations are used to validate our findings. We have a tendency to find from the theoretical analysis likewise the experimental results that the active eavesdropper will achieve a higher decoding error rate than a conventional passive eavesdropper, even within the case that the eavesdropper’s signal is a low power signal.
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