On the physical layer security characteristics for MIMO-SVD techniques for SC-FDE schemes

João Madeira, João Guerreiro, Rui Dinis, Paulo Montezuma, Luís Miguel Campos

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Abstract

Multi-Input, Multi-Output (MIMO) techniques are seeing widespread usage in wireless communication systems due to their large capacity gains. On the other hand, security is a concern of any wireless system, which can make schemes that implement physical layer security key in assuring secure communications. In this paper, we study the physical layer security issues of MIMO with Singular Value Decomposition (SVD) schemes, employed along with Single-Carrier with Frequency-Domain Equalization (SC-FDE) techniques. More concretely. the security potential against an unintended eavesdropper is analysed, and it is shown that the higher the distance between the eavesdropper and the transmitter or receiver, the higher the secrecy rate. In addition, in a scenario where there is Line of Sight (LOS) between all users, it is shown that the secrecy rate can be even higher than in the previous scenario. Therefore, MIMO-SVD schemes combined with SC-FDE can be an efficient option for highly secure MIMO communications.

Original languageEnglish
Article number4757
JournalSensors (Switzerland)
Volume19
Issue number21
DOIs
Publication statusPublished - 1 Nov 2019

Keywords

  • MIMO
  • Physical Layer Security
  • SC-FDE
  • SVD

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