Systems and methods for detection of abnormal UE behavior
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United States of America Patent
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Oct 1, 2024
Grant Date -
Oct 14, 2021
app pub date -
Sep 7, 2018
filing date -
Sep 7, 2018
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Abstract
Systems and methods for detecting abnormal User Equipment (UE) behavior in a cellular communications system are disclosed. In some embodiments, a method of operation of a first Network Anomaly Detection (NAD) function associated with a first Radio Access Network (RAN) in a cellular communications system comprises, during a period of time, obtaining information regarding UEs served by the first RAN, detecting that a particular UE has moved from the first RAN to a second RAN, and sending at least some of the information regarding the particular UE to a second NAD function associated with the second RAN. The method further comprises producing a trained partial model of UE behavior for the first RAN, sending corresponding information to the second NAD function, receiving information regarding a trained partial model of UE behavior for the second RAN, generating a trained global model, and performing a prediction of abnormal UE behavior based thereon.
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