The fifth generation (5G) of cellular systems addresses challenging objectives in terms of connection speed, latency, energy consumption, traffic type, number of served users and their type (not just humans but mostly devices or even herds of animals). In this plethora of requests, a proper design of the waveforms is seen by many in the field as a key factor for the success of the new standard. This chapter will look at the possible waveform candidates from a physical layer security (PLS) point of view, providing an overview of on-going research activity on how they can be exploited to either secretly transmit a message on a wireless channel or extract a secret key between a couple of users.
Secure waveforms for 5G systems, Page 1 of 2
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