… study the optimal power allocation between transmission of the information signal and the
artificial noise. For the non-colluding eavesdropper case, the equal power allocation is shown …

… This paper investigates the power allocation problem for artificial noise (AN) secure precoding
systems, and attempts to propose closed-form solutions for maximizing the achievable …

… power and receiver complexity. In this paper, we investigate the power allocation and artificial
noise … is nonconcave with respect to the transmission power. To resolve the corresponding …

… to optimize the power allocation between the information … the optimal power allocation in
the high signal-to-noise ratio … results show that more power needs to be allocated to AN if …

… investigate the optimal transmit power allocation between the information bearing signal and
the artificial noise in Section IV. Our results show that the equal power allocation is a simple …

… of the power allocation between the … power allocation strategy in opposite ways for the two
given objectives. When the estimation error increases, more power should be allocated to the …

… an artificial noise (AN) injection based secure two-phase transmission protocol, we aim at
jointly optimizing the UAV’s trajectory, network transmission power, and AN power allocation …

… achieve diverse signal to interference plus noise ratio (SINR) … In this paper, we focus on the
optimal power allocation for joint … power allocation by minimizing the total transmitted power …

… In addition, an optimal power allocation between the … derive the optimal power allocation
between the information-… the proposed bound allows the power allocation derived in this work to …

… We then define P for given X as the set of all possible power allocations of P that satisfy 0
≤ pk,n ≤ Ppeak for xk,n = 1 and pk,n = 0 when xk,n = 0, S as the set of all possible X that sat…