Ambient backscatter: A new approach to improve network performance for RF-powered cognitive radio networks
This paper introduces a new solution to improve the performance for secondary systems in
radio frequency (RF) powered cognitive radio networks (CRNs). In a conventional RF …
radio frequency (RF) powered cognitive radio networks (CRNs). In a conventional RF …
End-to-end throughput maximization for underlay multi-hop cognitive radio networks with RF energy harvesting
C Xu, M Zheng, W Liang, H Yu… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
This paper studies a green paradigm for the underlay coexistence of primary users (PUs)
and secondary users (SUs) in energy harvesting cognitive radio networks (EH-CRNs) …
and secondary users (SUs) in energy harvesting cognitive radio networks (EH-CRNs) …
Optimal resource allocation for RF-powered underlay cognitive radio networks with ambient backscatter communication
In this paper, we study radio frequency (RF)-powered underlay cognitive radio networks
(CRNs) with power-domain non-orthogonal multiple access (NOMA). In these networks, by …
(CRNs) with power-domain non-orthogonal multiple access (NOMA). In these networks, by …
Joint power control and time allocation for wireless powered underlay cognitive radio networks
D Xu, Q Li - IEEE Wireless Communications Letters, 2017 - ieeexplore.ieee.org
This letter considers a wireless powered underlay cognitive radio network where secondary
users (SUs) first harvest energy in the downlink wireless power transfer (WPT) phase and …
users (SUs) first harvest energy in the downlink wireless power transfer (WPT) phase and …
Outage performance of underlay multihop cognitive relay networks with energy harvesting
C Xu, M Zheng, W Liang, H Yu… - IEEE Communications …, 2016 - ieeexplore.ieee.org
This letter studies the outage performance of multihop cognitive relay networks with energy
harvesting in underlay paradigms, wherein the secondary users are powered by a dedicated …
harvesting in underlay paradigms, wherein the secondary users are powered by a dedicated …
Minimization of transmission completion time in wireless powered communication networks
Recently, the newly emerging wireless powered communication network (WPCN) has drawn
significant interests, where network nodes are powered by the energy harvested from the …
significant interests, where network nodes are powered by the energy harvested from the …
The tradeoff analysis in RF-powered backscatter cognitive radio networks
In this paper, we introduce a new model for RF-powered cognitive radio networks with the
aim to improve the performance for secondary systems. In our proposed model, when the …
aim to improve the performance for secondary systems. In our proposed model, when the …
Full-duplex covert communications assisted by intelligent reflective surfaces
The letter proposes resource allocation in uplink covert communication systems, which aim
to hide the existence of the covert user from the warden. The wireless system consists of a …
to hide the existence of the covert user from the warden. The wireless system consists of a …
A joint optimization framework for energy harvesting based cooperative CR networks
The energy harvesting cognitive radio networks (EH-CRNs) are expected to play a key role
in satisfying the demands of next generation wireless communications. In the underlay CRN …
in satisfying the demands of next generation wireless communications. In the underlay CRN …
Interference-aided energy harvesting: Cognitive relaying with multiple primary transceivers
We consider a spectrum sharing scenario where a secondary transmitter (ST) communicates
with its destination via a decode-and-forward secondary relay (SR) in the presence of …
with its destination via a decode-and-forward secondary relay (SR) in the presence of …