Throughput maximization for hybrid backscatter assisted cognitive wireless powered radio networks

B Lyu, H Guo, Z Yang, G Gui - IEEE Internet of Things Journal, 2018 - ieeexplore.ieee.org
In this paper, we consider a cognitive wireless powered communication network for Internet
of Things applications, which consists of a primary communication pair and a secondary …

Sum throughput maximization for multi-user MIMO cognitive wireless powered communication networks

J Kim, H Lee, C Song, T Oh, I Lee - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
In this paper, we study multi-user multi-input multi-output cognitive wireless powered
communication networks (WPCN), in which a secondary WPCN shares spectrum with a …

Optimal resource allocation in backscatter assisted WPCN with practical energy harvesting model

P Ramezani, A Jamalipour - IEEE Transactions on Vehicular …, 2019 - ieeexplore.ieee.org
Integration of backscatter communication and wireless powered communication is a
promising way to improve the performance of future Internet of Things (IoT) networks …

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 …

Cognitive wireless powered network: Spectrum sharing models and throughput maximization

S Lee, R Zhang - IEEE Transactions on Cognitive …, 2015 - ieeexplore.ieee.org
The recent advance in radio-frequency (RF) wireless energy transfer (WET) has motivated
the study of wireless powered communication network (WPCN) in which distributed wireless …

Optimal time sharing in RF-powered backscatter cognitive radio networks

DT Hoang, D Niyato, P Wang… - 2017 IEEE international …, 2017 - ieeexplore.ieee.org
In this paper, we propose a novel network model for RF-powered cognitive radio networks
and ambient backscatter communications. In the network under consideration, each …

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 …

Resource allocation in wireless powered cognitive radio networks based on a practical non-linear energy harvesting model

Y Wang, Y Wang, F Zhou, Y Wu, H Zhou - IEEE Access, 2017 - ieeexplore.ieee.org
Wireless powered techniques have been recognized as promising techniques in future
wireless communication systems, especially in cognitive radios (CRs) with energy-limit …

Opportunistic wireless energy harvesting in cognitive radio networks

S Lee, R Zhang, K Huang - IEEE Transactions on Wireless …, 2013 - ieeexplore.ieee.org
Wireless networks can be self-sustaining by harvesting energy from ambient radio-
frequency (RF) signals. Recently, researchers have made progress on designing efficient …

Throughput fairness guarantee in wireless powered backscatter communications with HTT

Y Ye, L Shi, X Chu, G Lu - IEEE Wireless Communications …, 2020 - ieeexplore.ieee.org
Harvest-then-transmit (HTT) and backscatter communications have different tradeoffs
between energy harvesting and data transmission and may complement each other for …