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Next-Generation Approaches to Cellular Communication Network Security

Associate Professor Güneş Karabulut Kurt brings a next-generation approach to the issue of security in 4G and later cellular communication networks. The focal points of the project are physical layer attacks and their prevention.

The development of communication systems and the widespread use of the internet cause a spike in the number of users and a need for high data speeds. This is why more work is being done on mobile networks recently, and current communication technologies are used to ensure high-rate data transfer needed by users. Secure communication between users and devices will not only improve service quality, but also provide solutions to potential issues in the future.

Work on the 4th generation mobile communication system, or 4G LTE, began in 2005, and the resulting technology was vastly superior to its predecessors. However, the relatively recent implementation of the LTE system and the lack of knowledge on how the network will respond to a high number of users being online at once bring a host of security vulnerabilities.

The wireless transfer of data and the complexity of the systems in 4G and later communication networks create certain security issues. Cyber attacks that exploit such vulnerabilities reduce the quality of the communication channel, and cause incomplete or erroneous data transfer. The greatest vulnerability in LTE networks is to Denial of Service (DoS) attacks, which prevent the network from providing service.

This is where the work of ITU Electronic and Communication Engineering Department faculty Associate Professor Güneş Karabulut Kurt will address a significant shortcoming. Kurt brings a next-generation approach to the issue of security in 4G and later cellular communication networks. The project includes the identification of types of attacks on 4G and later networks, taking measurements in realistic testing environments, and identifying attacks on cellular communication networks. The focal points of the project are physical layer attacks and their prevention.

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