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Location-Privacy Leakage and Integrated Solutions for 5G Cellular Networks and Beyond.

Stefano Tomasin^1,2, Marco Centenaro¹, Gonzalo Seco-Granados³

¹Department of Information Engineering, University of Padova, 35100 Padova, Italy.

Sensors (Basel, Switzerland)

|August 10, 2021

Summary

Fifth-generation (5G) networks enhance user localization precision, risking sensitive location data privacy. This study proposes a privacy-preserving solution with user control to mitigate risks from mobile network operators and eavesdroppers.

Keywords:

5G cellular networks localization privacy

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Area of Science:

Telecommunications Engineering
Cybersecurity
Network Privacy

Background:

Fifth-generation (5G) cellular networks offer advanced user localization capabilities.
Network Data Analytics Function (NWDAF) aggregates location data using AI, increasing privacy risks.
Existing vulnerabilities can lead to location information leakage to unauthorized parties.

Purpose of the Study:

To investigate the evolution of localization in cellular networks and its impact on user location privacy.
To propose an integrated solution for preserving user location privacy in 5G networks.
To advocate for enhanced user control over localization services.

Main Methods:

Review of cellular network localization evolution and privacy implications.
Development of a multi-component privacy-preserving solution.
Incorporation of virtual private mobile networks, independent authentication, and signal protection functions.

Main Results:

Identification of significant privacy risks associated with 5G localization advancements.
Proposal of a comprehensive privacy-preserving framework.
Emphasis on the necessity of user-centric control over location services.

Conclusions:

5G's enhanced localization capabilities necessitate robust privacy-preserving measures.
The proposed integrated solution offers a viable approach to protect user location data.
Continuous and granular user control is crucial for maintaining location privacy in cellular networks.