… assisted energy harvesting cognitive two-way relay network (… sources A, B, and a DF relay
R. We assume that all Dn are … mode only use the energy harvested from RF signals of a PB …

… a resource optimization scheme in OFDM based two-way DF relaying … twoway DF relaying
energy harvesting CSN, which consists a primary network and a secondary sensor network. …

… This paper mainly investigates the performance of an underlay cognitive sensor network (…
of energy harvesting (EH) relay sensor node (RSN) by using amplify-and-forward (AF) relaying …

… In this paper, we develop and analyze resource optimization protocols in two-way decode-and-forward
relaying SWIPT-based cognitive sensor networks. The current schemes generally …

… relay-aided D2D communication that assumes one-way relaying (OWR) protocols, this paper
proposes a two-way … We aim to jointly optimize the transmission power of all users, the PS …

… Since the formulated joint optimization is a non- convex quadratically … in cognitive relay
networks, where an energy harvesting SN shares the spectrum as well as harvests energy by …

… We propose a signal-processing procedure at the relay to maximize the achievable sum-rate
by optimizing the power splitting factors, precoder, and phase shifters. Compared with the …

… In addition, we assume that the twoway relays are able to utilize the DF protocol to complete
the relaying process. Furthermore, they can do EH for a fraction of the RF signals according …

… ), the relay R uses more portion α of energy harvested for the … While PR and SR receive the
combined signals from the relay … optimization for time switching-based two-way relaying with …

… relay is used to improve the performance of two-way relay based on RF energy harvesting in
cognitive radio network, … Therefore, we can further express the optimization problem as (13) …