… for underlay cognitive MIMO systems with EH and transmit antenna selection (TAS). …
secrecy performance of the secondary system and the closedform expression for the secrecy …

… Relying on the maximization of the secrecy rate given in (5), we propose a new … antenna
selection at Alice. More specifically, Alice will select the antenna s that maximizes the secrecy …

… Abstract—Transmit antenna selection (TAS) is an emerging technology in physical layer
security. To provide new insights into the achievable secrecy performance of TAS in practical …

… Abstract—This paper studies the secrecy performance of … ) channels, under transmit antenna
selection (TAS) and BPSK/… receiver, a single transmit antenna is selected to maximize the …

… imperfectly known at a multi-antenna source. In order to mitigate … secrecy transmission, we
propose the quantized secrecy precoding (QSP) oriented adaptive transmit antenna selection (…

… secrecy outage performance of the optimal antenna selection (OAS) scheme and suboptimal
antenna selection (… The closed-form expressions for exact and asymptotic secrecy outage …

… secrecy performance. The proposed system is compared with the counterpart assuming
single-antenna … We find that the OAS scheme achieves much better SOP performance than the …

… rate given in 9, we propose a new strategy to perform the antenna selection at Alice.
More specifically, Alice will select the antenna s that maximises the secrecy rate, that is, …

… Abstract—This paper investigates transmit antenna selection (TAS) to improve the
secrecy performances in MIMO secure cooperative relay systems with an adaptive decode-and-…

… We show that this cost converges to zero in massive MIMO wiretap setups even under antenna
selection. We refer to this phenomenon as “secrecy for free” in massive MIMO systems in …