In this paper, we investigate the secrecy performance of full-duplex multi-antenna spectrum-
sharing wiretap networks in which a jamming signal is simultaneously transmitted by the full …

This paper investigates the secrecy outage performance of buffer-aided multirelay multiple-
input multiple-output cooperative systems in the presence of a passive eavesdropper. Due …

In this paper, we introduce transmit antenna selection/maximal-ratio combining (TAS/MRC)
scheme in dual-hop randomize-and-forward (RaF) cognitive multiple-input multiple-output …

In this paper, we consider a multi-input multioutput (MIMO) nonorthogonal multiple access
(NOMA) network consisting of one source and two legitimate users (LUs), so-called near …

To address the spectrum scarcity in future satellite communications, employing the cognitive
technique in the satellite systems is considered as a promising candidate, which leads to an …

We investigate the performance of a dual-hop two-way cognitive radio system, where the
secondary users (SUs) exchange information in an underlay mode with the assistance of a …

The incorporation of cognitive radio (CR) techniques into satellite communication systems,
has been considered as one of the most promising approaches to address the spectrum …

In this paper, the performance of a dual-hop multiuser underlay cognitive network is
thoroughly investigated by using a decode-and-forward (DF) protocol at the relay node and …

In this paper, we investigate the secrecy performance of a multiantenna cognitive wiretap
network, where the secondary transmitter (Alice) communicates with the secondary receiver …

In this article, in order to substantially improve outage probability (OP), we propose a
generalized optimal relays subsets selection algorithm in a cloud-based 6G large-scale …