… schemes are derived using stochastic geometry. Then, we optimize the active antenna selection
… WITH DM We consider the performance of two multiple access schemes, ie, NOMA and …

… There are various schemes to improve the physical layer security [14], such as the
multiple-antenna techniques [15], cooperative relaying [16], artificial noise (AN) [17], and cooperative …

… To deal with the security issues followed by the explosive increase in cellular data, … layer
security (PLS) is emerging as one of the most promising ways to ensure secure communication …

… Our results also confirmed the robustness of the proposed scheme with respect to imperfect
CSI and its ability to exploit multiuser diversity. Furthermore, design guidelines for multi-IRS …

… -speed physically secure optical communication scheme based … The proposed secure scheme
supports secure high-speed … compatible with the existing optical communication systems. …

… antenna technique, relay selection, and friendly jamming are accordingly utilized to strengthen
a … For the purpose of comparison, we consider three schemes as the benchmarks, that is, …

… The key (k) in our scheme is randomly selected by the sensor node based on the key pre-distribution
approach each time that the data is transmitted. A detailed description of the key …

… scheme to achieve reliable and secure communications for the considered system. To be
specific, the dynamic power allocation is developed to ensure successful decoding of the RRU …

… One major issue faced by most current state of the art schemes that concentrate on
secure communication in VANETs is that of efficiency. These schemes do possess the …

… When σ is selected to be zero, the event-triggered condition is equivalent … In this section, a
secure communication scheme will be presented based on the master–slave synchronization …