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Physical-Layer Security in 6G Networks

70 Citations•2021•
L. Mucchi, S. Jayousi, S. Caputo
IEEE Open Journal of the Communications Society

The sixth generation (6G) of mobile network will be composed by different nodes, from macro- devices to nano- devices, providing a full connectivity fabric all around us, and physical-layer security (PLS) can act as a first line of defense, providing security even to low-resourced nodes in different environments.

Abstract

The sixth generation (6G) of mobile network will be composed by different nodes, from macro-devices (satellite) to nano-devices (sensors inside the human body), providing a full connectivity fabric all around us. These heterogeneous nodes constitute an ultra dense network managing tons of information, often very sensitive. To trust the services provided by such network, security is a mandatory feature by design. In this scenario, physical-layer security (PLS) can act as a first line of defense, providing security even to low-resourced nodes in different environments. This paper discusses challenges, solutions and visions of PLS in beyond-5G networks.