Power Allocation and Performance Comparison of Full Duplex Dual Hop Relaying Protocols

Physical-Layer Security for Untrusted UAV-Assisted Full-Duplex Wireless Networks

“…where ∆ is the processing delay at i [23], and the corresponding received signal vector at D is given by…”

“…, where P u is the transmit power of the UAV. Thus, the transmit signal from i is G i y i (τ − ∆), where ∆ is the processing delay at i [23], and the corresponding received signal vector at D is given by…”

Power allocation under global and individual power constraints for full‐duplex relay networks

“…When the distance between the source node and the destination node is large, the signal received by the destination through the direct link may be very weak because of path loss and fading. In this case, the signal through the direct link cannot help the destination's reception but interferes with the relay link [7–10]. The literature [7] provides two optimal power allocation schemes based on statistical and instantaneous channel state information to minimise the system outage probability under total power constraint when the impact of a direct link is non‐negligible.…”

“…In this case, the signal through the direct link cannot help the destination's reception but interferes with the relay link [7–10]. The literature [7] provides two optimal power allocation schemes based on statistical and instantaneous channel state information to minimise the system outage probability under total power constraint when the impact of a direct link is non‐negligible. In [8, 9], the authors propose a scheme to minimise the outage probability in cognitive FD DF relay systems where the direct link is considered as an interference channel.…”

Full-Duplex Amplify-and-Forward Relaying: Power and Location Optimization

“…The capacity and respective optimal power allocation for FD dual-hop system under the RSI modeled as Gaussian distribution was analyzed in [21]. Two optimal power allocation strategies which are designed based on statistical channel state information (CSI) and instantaneous CSI for FD relay networks with amplify-and-forward protocol and total transmit power constraint, were proposed to minimize the outage probability in [22]. An adaptive power allocation scheme combined with relay and mode selection was introduced in the AF multiple relay network to mitigate the RSI and reduce the performance floor in the high SNR region [23].…”