In order to improve the confidentiality and security of orthogonal frequency division
multiplexing (OFDM) systems, a physical layer security enhancement scheme by using time …

In order to improve the comprehensive defense capability of data security in digital twins
(DTs), an information security interaction architecture is proposed in this paper to solve the …

A novel concatenated physical‐layer encryption (CPLE) scheme is proposed in this study,
where better security can be achieved as well as reliability advantage. In CPLE scheme, the …

In this paper, four physical layer security methods which are based on Orthogonal
Frequency Division Multiplexing (OFDM) are evaluated and compared. The four methods …

In the 6G era, physical layer security (PLS) can be foreseen as a promising solution to
enhance the security of future massive Internet of Things (IoT) applications relying on RF …

Purpose The technique for hiding confidential data in specific digital media by enhancing
the graphical contents is known as watermarking. The dissemination of information over a …

In order to solve the security problem for fading channel, a pragmatic physical layer
encryption (PLE) scheme is proposed, which utilises diversity technique elaborately …

Digital twin has been emerging as a promising paradigm that connects the physical entities
and digital space, and continuously evolves and optimizes the physical systems. In this …

Without any doubt, wireless infrastructures and services have fundamental impacts on every
aspect of our lives. Despite of their popularities, wireless communications are vulnerable to …

Cryptographic protocols are often implemented at upper layers of communication networks,
while error-correcting codes are employed at the physical layer. In this article, we consider …