Ambient backscatter: A new approach to improve network performance for RF-powered cognitive radio networks

DT Hoang, D Niyato, P Wang, DI Kim… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
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 …

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) …

Optimal resource allocation for RF-powered underlay cognitive radio networks with ambient backscatter communication

Y Zhuang, X Li, H Ji, H Zhang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
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 …

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 …

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 …

Minimization of transmission completion time in wireless powered communication networks

K Chi, YH Zhu, Y Li, L Huang… - IEEE Internet of Things …, 2017 - ieeexplore.ieee.org
Recently, the newly emerging wireless powered communication network (WPCN) has drawn
significant interests, where network nodes are powered by the energy harvested from the …

The tradeoff analysis in RF-powered backscatter cognitive radio networks

DT Hoang, D Niyato, P Wang, DI Kim… - 2016 IEEE global …, 2016 - ieeexplore.ieee.org
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 …

Full-duplex covert communications assisted by intelligent reflective surfaces

S Pejoski, Z Hadzi-Velkov… - IEEE Communications …, 2022 - ieeexplore.ieee.org
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 …

A joint optimization framework for energy harvesting based cooperative CR networks

Z Ali, GAS Sidhu, M Waqas, L **ng… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
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 …

Interference-aided energy harvesting: Cognitive relaying with multiple primary transceivers

SS Kalamkar, A Banerjee - IEEE Transactions on Cognitive …, 2017 - ieeexplore.ieee.org
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 …