… and colluding external eavesdroppers. In Section IV, we derive the mean secrecy rates …
BCCE, we study the rate loss due to the presence of external eavesdroppers, and we propose a …

… In this paper, we study a secrecy transmission problem for a downlink two-… eavesdropper
wiretaps the legitimate macrocell user. More specifically, we aim to maximize the secrecy rate …

… We derive the ergodic secrecy rate of the … external eavesdropper, we reduce our system
to the one in [20] and derive the ergodic secrecy rate of the near user and also the ergodic rate …

… without an external eavesdropper has been … secrecy constraint [1]–[3], or subject to a joint
secrecy constraint (whereby the information leakage from both messages to the eavesdropper …

… We analyze the secrecy performance for the scenarios with … near user and external
eavesdroppers, and respectively … of secrecy rate, the SNR at the most detrimental eavesdropper is …

… the secrecy rate as the given service rate, we propose in turn the novel concept of the effective
secrecy rate (… In the presence of a malicious external eavesdropper, a lower bound and an …

… ii) We derive the mean secrecy rates of the two proposed scenarios, where AN assisted
case outperforms the nonAN case by up to almost 2.7 times when optimal power allocation …

… broadcast channel with confidential messages and external eavesdroppers (BCCE), where
… presence of randomly located external eavesdroppers. The secrecy capacity is measured in …

… Notably, [18] investigated achievable secrecy rates by using the so-called intrinsically secure
graph formalism, taking into account the effects of ED collusion. Additionally, based on a …

… both multiple external eavesdroppers (Eves) and other GUs that potentially act as internal
Eves. To ensure the user fairness, we maximize the minimum average secrecy rate among all …