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Physical Layer Security: A Paradigm Shift in Data Confidentiality

Part of the Lecture Notes in Electrical Engineering book series (LNEE,volume 358)

Abstract

Physical layer security (PLS) draws on information theory to characterize the fundamental ability of the wireless physical layer to ensure data confidentiality. In the PLS framework it has been established that it is possible to simultaneously achieve reliability in transmitting messages to an intended destination and perfect secrecy of those messages with respect to an eavesdropper by using appropriate encoding schemes that exploit the noise and fading effects of wireless communication channels. Today, after more than 15 years of research in the area, PLS has the potential to provide novel security solutions that can be integrated into future generations of mobile communication systems. This chapter presents a tutorial on advances in this area. The treatment begins with a review of the fundamental PLS concepts and their corresponding historical background. Subsequently it reviews some of the most significant advances in coding theory and system design that offer a concrete platform for the realization of the promise of this approach in data confidentiality.

Keywords

  • Orthogonal Frequency Division Multiplex
  • Orthogonal Frequency Division Multiplex System
  • Interference Alignment
  • Relay Channel
  • Massive MIMO

These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Notes

  1. 1.

    The channel prefixing random variable U accounts for randomness introduced in the encoding process.

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Acknowledgments

The financial support from the Academy of Finland (grants #276031, #282938, #283262) and Magnus Ehrnrooth Foundation is gratefully acknowledged. Part of this work was carried out under the European Science Foundation’s COST Action IC1104. This work was also supported by the U.S. National Science Foundation Grant CMMI-1435778.

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Correspondence to Arsenia Chorti .

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Chorti, A., Hollanti, C., Belfiore, JC., Poor, H.V. (2016). Physical Layer Security: A Paradigm Shift in Data Confidentiality. In: Baldi, M., Tomasin, S. (eds) Physical and Data-Link Security Techniques for Future Communication Systems. Lecture Notes in Electrical Engineering, vol 358. Springer, Cham. https://doi.org/10.1007/978-3-319-23609-4_1

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  • DOI: https://doi.org/10.1007/978-3-319-23609-4_1

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