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Causes of abnormal communication between host and base station

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4 FAQs about Causes of abnormal communication between host and base station

What happens if a base station is faulty?

The faulty base station establishes a radio connection with the user equipment and releases the connection afterward due to the worst channel conditions. Because our reference values come from the worst channel conditions, the optimal thresholds hence ensure fake base station detection with zero false positives under varying network conditions.

Can a faulty base station be a fake base station?

In the faulty (but legitimate) base station experiments, i.e., when testing our scheme against a faulty base station, we observe errors when varying τ T and τ N. Because the faulty base station is still legitimate, it is incorrect to detect, classify, and blacklist it as a fake base station.

What happens if a fake base station is detected and blacklisted?

Once a fake base station is detected and blacklisted, in active defense, the user equipment has to redirect its connection to a legitimate base station. The detection and blacklisting may not be sufficient to ensure restoring connectivity.

What is a fake base station attack?

An attacker exploits the cell selection/reselection process (selecting the highest signal power ) and cryptographically insecure (without integrity and authentication protection) broadcast system information messages in radio control communication to launch a fake base station attack in LTE [4, 5] and even in 5G-NR [6, 7].

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