Performance assessment of millimeter-wave NOMA system with intelligent reflecting surface

N Van Vinh, P Van Tri - IEEE Access, 2022 - ieeexplore.ieee.org
This paper analyzes the performance of millimeter-wave (mmWave) non-orthogonal multiple
access (NOMA) system with the aid of an intelligent reflecting surface (IRS). We derive the …

Energy efficiency analysis and optimization for reconfigurable intelligent surface aided DF relay cooperation with minimum-rate guarantee

S Zhang, L Song, J Li, T Le-Ngoc - Telecommunication Systems, 2023 - Springer
We consider an energy-efficient reconfigurable intelligent surface (RIS)-aided decode-and-
forward relay cooperation scheme with minimum-rate guarantee. Although the emerging RIS …

Beamforming design for NOMA-Assisted symbiotic backscatter

F Rezaei, D Galappaththige… - 2023 IEEE 34th …, 2023 - ieeexplore.ieee.org
Optimal beamforming design is developed for a nonorthogonal multiple access (NOMA)-
aided symbiotic radio (SR) system where a base station (BS) simultaneously serves multiple …

Sum Rate Maximization in STAR-RIS-Assisted Uplink AmBC-CR Networks with NOMA

RK Thenua, AS Gandhi - Wireless Personal Communications, 2024 - Springer
In this paper, we investigate a network of backscatter devices (BDs) empowered with
cognitive radio (CR) that uses non-orthogonal multiple access (NOMA) to communicate with …

Ambient Backscatter-Based Power Control Strategies for Spectrum Sharing Networks

Z Hu, S Yang, Z Zhang - IEEE Transactions on Cognitive …, 2022 - ieeexplore.ieee.org
Prior works on power control strategy need to estimate all users' channel state information
(CSI), which consumes both spectrum and time. Two efficient and low-complexity power …

Beamforming Design for Novel Relay-Assisted Multi-User Multi-Tag Symbiotic Radios

Z Fang, Z Wu, W Ni, X Wang… - IEEE Wireless …, 2023 - ieeexplore.ieee.org
This letter considers a novel relay-assisted, multi-user multi-tag uplink symbiotic radio
system, in which a relay node forwards multiple users' signals to a base station (BS) …

RIS Assisted AmBc Communication Over Spatially Correlated Channels

AK Gupta, P Bhavsar - IEEE Journal of Radio Frequency …, 2024 - ieeexplore.ieee.org
This article proposes incorporation of reconfigurable intelligent surfaces (RIS) with ambient
backscatter (AmBc) communication. The aim is to strengthen the radio links between …

A novel hybrid backscatter and conventional algorithm for multi‐hop Internet of Things networks

M Raeisi, M Mahdavi… - Transactions on …, 2022 - Wiley Online Library
This article investigates a multi‐hop cognitive radio network in terms of end‐to‐end bit
delivery. The network exploits backscatter communication (BackCom) and harvest‐then …

[PDF][PDF] Investigation of Noise Immunity Telecommunication Systems According to the Criterion Energy Efficiency

B Ibrahimov - Transport and Telecommunication Journal, 2023 - sciendo.com
Methods for improving the characteristics of the reliability message transmission in
multiservice telecommunication networks in the provision of multimedia services are …

Reliability Performance of STAR-RIS Aided NOMA Short-Packet Communications

C Xia, Z Xiang, H Liu, J Meng - 2023 International Conference …, 2023 - ieeexplore.ieee.org
This paper investigates the reliability performance of a downlink simultaneous transmitting
and reflecting reconfigurable intelligent surface (STAR-RIS) enabled non-orthogonal …