RIS-empowered ambient backscatter communication systems

DL Galappaththige, F Rezaei… - IEEE Wireless …, 2022 - ieeexplore.ieee.org
Passive tags must harvest sufficient energy to operate. However, ensuring the tag's energy
needs and simultaneously suppressing the interference in ambient backscatter systems is …

A tutorial on 5G positioning

L Italiano, BC Tedeschini, M Brambilla… - arXiv preprint arXiv …, 2023 - arxiv.org
The widespread adoption of the fifth generation (5G) of cellular networks has brought new
opportunities for localization-based services. High-precision positioning use cases and …

Energy-efficient backscatter-assisted coded cooperative NOMA for B5G wireless communications

M Asif, A Ihsan, WU Khan, A Ranjha… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
In this manuscript, we propose an alternating optimization framework to maximize the
energy efficiency of a backscatter-enabled cooperative Non-orthogonal multiple access …

Energy-efficient beamforming and resource optimization for STAR-IRS enabled hybrid-NOMA 6G communications

M Asif, A Ihsan, WU Khan, Z Ali… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this manuscript, we propose an energy-efficient optimization framework for a multi-cluster
simultaneous transmitting and reflecting intelligent reflecting surfaces (STAR-IRS) enabled …

Enhancing NOMA Backscatter IoT Communications With RIS

MS Van Nguyen, DT Do, A Vahid… - IEEE Internet of …, 2023 - ieeexplore.ieee.org
As potential solutions to empower transmissions among the Internet of Things (IoT) devices,
ambient radio frequency (RF) backscatter technology and reconfigurable intelligent surfaces …

Broadcast secrecy rate maximization in uav-empowered irs backscatter communications

S Han, J Wang, L Xiao, C Li - IEEE Transactions on Wireless …, 2023 - ieeexplore.ieee.org
The backscatter communications (BackCom) and physical layer security are respected to
realize extremely low-power secure communications in the imminent sixth generation (6G) …

[PDF][PDF] Energy-efficient non-orthogonal multiple access for wireless communication system

MF Darus, F Idris, N Hashim - International Journal of Electrical and …, 2023 - academia.edu
Non-orthogonal multiple access (NOMA) has been recognized as a potential solution for
enhancing the throughput of next-generation wireless communications. NOMA is a potential …

Multicast secrecy rate maximization for reconfigurable intelligent surface backscatter communication

J Wang, S Xu, S Han, J Li - IEEE Communications Letters, 2022 - ieeexplore.ieee.org
This letter innovatively studies a reconfigurable intelligent surface (RIS) backscatter
multicast secrecy communication system. In this system, a RIS acts as a transmitter to …

Beamforming design for BackCom assisted NOMA systems

D Lin, K Cumanan, Z Ding - IEEE wireless communications …, 2023 - ieeexplore.ieee.org
Backscatter communication (BackCom) assisted non-orthogonal multiple access (NOMA)
has received significant attention recently and can be applied to Internet of Things (IoT). The …

Beamforming designs for enabling symbiotic BackCom multiple access under imperfect CSI

D Galappaththige, F Rezaei, C Tellambura… - IEEE …, 2023 - ieeexplore.ieee.org
This paper investigates the optimization of the primary base station (BS) to effectively
support a symbiotic radio (SR) network between a primary network consisting of a single …