Mavenir Systems, Inc.

Ravi Danda

Carlos A Molina

Dipankar Bhattacharyya

Veena Murthy

The solution introduces a method and system in a network node of a telecommunication network such as the MME. The method includes receiving, from an eNodeB, an attach request that originated from a UE, the attach request including an identifier associated with a subscriber of the UE; checking a UE blacklist to determine whether the identifier in the attach request is on the UE blacklist; in response to the UE identifier being on the UE blacklist: rejecting the attach request; updating a success rate metric to reflect the failed attach request; comparing the success rate metric to a threshold; and in response to a decrease in the success rate metric below the threshold, recognizing a malicious attack and taking mitigating steps.

System and method for detecting malicious attacks in a telecommunication network

The solution introduces a flexible mechanism to avoid paging a delay-tolerant UE prematurely by buffering its high frequency, low priority data for a time duration set according to the UE's current and historic activity data, thereby increasing radio resource and network efficiency, and reducing UE batter drainage. A method of managing frequent low priority downlink data transmissions comprises receiving a downlink data packet intended for a UE, buffering the received downlink data packet in response to a determination that the received downlink data packet is low priority, and the UE is delay-tolerant, starting a timer, the timer being set in response in response to the UE currently being in an idle state, the timer being set according to a next anticipated activity time for the UE, and transmitting the downlink data packet to the UE upon the expiration of the timer.

Growing community of inventors

Irving, TX, United States of America

Ravi Danda