activity
20142026
most citedRate-Splitting Multiple Access and its Interplay with Intelligent Reflecting Surfaces

37 citations · 190 across the 20 of their papers we have counts for

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Showing cs.ITShow all

13 papers · 1 filter

cs.IT2025

Cooperative NOMA Meets Emerging Technologies: A Survey for Next-Generation Wireless Networks

Mahmoud M. Salim, Suhail I. Al-Dharrab, Daniel Benevides Da Costa +1

The emerging demands of sixth-generation wireless networks, such as ultra-connectivity, native intelligence, and cross-domain convergence, are bringing renewed focus to cooperative…

cs.IT2025

Beamfocusing and Power Allocation for AN-Based PLS in Multiuser XL-MIMO with Multiple Eavesdroppers

Xiangjun Ma, Ali Arshad Nasir, Daniel Benevides da Costa

This paper investigates the downlink (DL) physical layer security (PLS) in a near-field (NF) extra-large multiple-input multiple-output MIMO (XL-MIMO) system. To enhance the secrec…

cs.IT2023★ 16 cited

IRS-Aided Overloaded Multi-Antenna Systems: Joint User Grouping and Resource Allocation

Ying Gao, Qingqing Wu, Wen Chen +3

This paper studies an intelligent reflecting surface (IRS)-aided multi-antenna simultaneous wireless information and power transfer (SWIPT) system where an -antenna access point…

cs.IT2022★ 1 cited

Counteracting Eavesdropper Attacks Through Reconfigurable Intelligent Surfaces: A New Threat Model and Secrecy Rate Optimization

George C. Alexandropoulos, Konstantinos D. Katsanos, Miaowen Wen +1

The potential of Reconfigurable Intelligent Surfaces (RISs) for energy-efficient and performance-boosted wireless communications is recently gaining remarkable research attention,…

cs.IT2022★ 1 cited

Multiple RISs-Aided Networks: Performance Analysis and Optimization

Mahmoud Aldababsa, Anas M. Salhab, Ali Arshad Nasir +2

This paper analyzes the performance of multiple reconfigurable intelligent surfaces (RISs)-aided networks. The paper also provides some optimization results on the number of reflec…

cs.IT2020

Performance Analysis of UAV-based Mixed RF-UWOC Transmission Systems

Sai Li, Liang Yang, Daniel Benevides da Costa

In this paper, we investigate the performance of a mixed radio-frequency-underwater wireless optical communication (RF-UWOC) system where an unmanned aerial vehicle (UAV), as a low…

cs.IT2020★ 19 cited

Outage Probability and Capacity Scaling Law of Multiple RIS-Aided Cooperative Networks

Liang Yang, Yin Yang, Daniel Benevides da Costa +1

In this letter, we consider a dual-hop cooperative network assisted by multiple reconfigurable intelligent surfaces (RISs). Assuming that the RIS with the highest instantaneous end…

cs.IT2020★ 5 cited

Backscatter Cooperation in NOMA Communications Systems

Weiyu Chen, Haiyang Ding, Shilian Wang +3

In this paper, a backscatter cooperation (BC) scheme is proposed for non-orthogonal multiple access (NOMA) downlink transmission. The key idea is to enable one user to split and th…

cs.IT2019★ 28 cited

Analysis and Optimization of Tail-Biting Spatially Coupled Protograph LDPC Codes for BICM-ID Systems

Zhaojie Yang, Yi Fang, Guohua Zhang +3

As a typical example of bandwidth-efficient techniques, bit-interleaved coded modulation with iterative decoding (BICM-ID) provides desirable spectral efficiencies in various wirel…

cs.IT2019★ 1 cited

Impartial SWIPT-Assisted User Cooperation Schemes

Weiyu Chen, Haiyang Ding, Shilian Wang +2

In this paper, we propose an impartial simultaneous wireless information and power transfer (SWIPT)-assisted cooperation mechanism for a non-orthogonal multiple access (NOMA) downl…

cs.IT2019★ 28 cited

The α-κ-μ Shadowed Fading Distribution: Statistical Characterization and Applications

Pablo Ramirez-Espinosa, Jules M. Moualeu, Daniel Benevides da Costa +1

We introduce the α-κ-μ shadowed (α-KMS) fading distribution as a natural generalization of the versatile α-κ-μ and α-η-μ distributions. The α-KMS fading distribution unifies a wide…

cs.IT2016

On Multihop Weibull-Fading Communications: Performance Analysis Framework and Applications

Abdelaziz Soulimani, Mustapha Benjillali, Hatim Chergui +1

The paper presents a comprehensive closed-form performance analysis framework for multihop communications over Weibull fading channels. The analyzed scheme consists basically of mu…

cs.IT2014★ 20 cited

On the Performance of Secure Full-Duplex Relaying under Composite Fading Channels

Hirley Alves, Glauber Brante, Richard D. Souza +2

We assume a full-duplex (FD) cooperative network subject to hostile attacks and undergoing composite fading channels. We focus on two scenarios: \textit{a)} the transmitter has ful…