activity
20202026
most citedRate-Splitting Multiple Access and its Interplay with Intelligent Reflecting Surfaces

37 citations · 76 across the 16 of their papers we have counts for

collaborators

19 papers

hep-ph2026

Chiral mass corrections to decuplet hidden-charm pentaquark states

Yu-Quan Guo, Hao-Song Li

We calculate the masses of the hidden-charm pentaquark states in the decuplet within the heavy pentaquark chiral perturbation theory (HPChPT) up to the…

cs.NI2026

GeoRIS: Geofencing With Reconfigurable Intelligent Surfaces

André Gomes, Arthur S. de Sena, Luiz A. DaSilva +1

Geofencing refers to controlling the availability of wireless services within a network perimeter. In this paper, we study how RIS can be used to achieve geofencing in outdoor-to-i…

eess.SP2026

Rethinking Passive RIS: Finite Blocklength Reliability Analysis Under Thermal Noise

Farjam Karim, Deepak Kumar, Prathapasinghe Dharmawansa +3

Short-packet communication alters the fundamental performance limits of reconfigurable intelligent surface (RIS)-assisted systems, making conventional analyses based on the infinit…

eess.SP2026

Passive RIS Is Not Silent: Revisiting Performance Limits Under Thermal Noise

Farjam Karim, Deepak Kumar, Prathapasinghe Dharmawansa +3

Reconfigurable intelligent surfaces (RISs) have emerged as a promising solution for enabling energy-efficient and flexible spectrum usage in wireless communication, particularly in…

eess.SP2026

RSMA-Aided Full-Duplex Networks Under Imperfect CSI and SIC: Performance Evaluation

Farjam Karim, Nurul Huda Mahmood, Deepak Kumar +2

This work investigates a full-duplex (FD)-enhanced Rate-Splitting Multiple Access (RSMA) system under practical constraints, including imperfect channel state information (CSI) and…

eess.SP2025

On the Impact of Electromagnetic Interference and Inter-RIS Reflections in Indoor Factory Local 6G Networks

Ishan Rangajith Koralege, Nurul Huda Mahmood, Arthur Sousa de Sena +1

The Sixth Generation (6G) radio technology is expected to include local 6G networks as a special use case, extending the capabilities of `generic' 6G networks towards more demandin…

eess.SP2025

Max-Min Fairness for Stacked Intelligent Metasurface-Assisted Multi-User MISO Systems

Nipuni Ginige, Prathapasinghe Dharmawansa, Arthur Sousa de Sena +3

Stacked intelligent metasurface (SIM) is an emerging technology that uses multiple reconfigurable surface layers to enable flexible wave-based beamforming. In this paper, we focus…

eess.SP2025★ 4 cited

A Deep-Unfolding Approach to RIS Phase Shift Optimization Via Transformer-Based Channel Prediction

Ishan Koralege, Arthur S. de Sena, Nurul H. Mahmood +3

Reconfigurable intelligent surfaces (RISs) have emerged as a promising solution that can provide dynamic control over the propagation of electromagnetic waves. The RIS technology i…

eess.SY2024

Practical Challenges for Reliable RIS Deployment in Heterogeneous Multi-Operator Multi-Band Networks

Mehdi Monemi, Mehdi Rasti, Arthur S. de Sena +3

Reconfigurable intelligent surfaces (RISs) have been introduced as arrays of nearly passive elements with software-tunable electromagnetic properties to dynamically manipulate the…

cs.IT2024★ 1 cited

Machine Learning-Based Channel Prediction for RIS-assisted MIMO Systems With Channel Aging

Nipuni Ginige, Arthur Sousa de Sena, Nurul Huda Mahmood +2

Reconfigurable intelligent surfaces (RISs) have emerged as a promising technology to enhance the performance of sixth-generation (6G) and beyond communication systems. The passive…

eess.SP2024

Malicious RIS versus Massive MIMO: Securing Multiple Access against RIS-based Jamming Attacks

Arthur Sousa de Sena, Jacek Kibilda, Nurul Huda Mahmood +2

In this letter, we study an attack that leverages a reconfigurable intelligent surface (RIS) to induce harmful interference toward multiple users in massive multiple-input multiple…

eess.SP2024★ 2 cited

Beyond Diagonal RIS for Multi-Band Multi-Cell MIMO Networks: A Practical Frequency-Dependent Model and Performance Analysis

Arthur S. de Sena, Mehdi Rasti, Nurul H. Mahmood +1

This paper delves into the unexplored frequency-dependent characteristics of beyond diagonal reconfigurable intelligent surfaces (BD-RISs). A generalized practical frequency-depend…

cs.IT2023

On the Sum Secrecy Rate of Multi-User Holographic MIMO Networks

Arthur S. de Sena, Jiguang He, Ahmed Al Hammadi +4

The emerging concept of extremely-large holographic multiple-input multiple-output (HMIMO), beneficial from compactly and densely packed cost-efficient radiating meta-atoms, has be…

cs.IT2023★ 5 cited

Semantic-Functional Communications in Cyber-Physical Systems

Pedro E. Goria Silva, Pedro H. J. Nardelli, Arthur S. de Sena +4

This paper explores the use of semantic knowledge inherent in the cyber-physical system (CPS) under study in order to minimize the use of explicit communication, which refers to th…

eess.SP2023

Unleashing 3D Connectivity in Beyond 5G Networks with Reconfigurable Intelligent Surfaces

Jiguang He, Aymen Fakhreddine, Arthur S. de Sena +2

Reconfigurable intelligent surfaces (RISs) bring various benefits to the current and upcoming wireless networks, including enhanced spectrum and energy efficiency, soft handover, t…

eess.SP2022★ 27 cited

Dual-Polarized Massive MIMO-RSMA Networks: Tackling Imperfect SIC

Arthur Sousa de Sena, Pedro H. J. Nardelli, Daniel Benevides da Costa +3

The polarization domain provides an extra degree of freedom (DoF) for improving the performance of multiple-input multiple-output (MIMO) systems. This paper takes advantage of this…

eess.SP2022★ 37 cited

Rate-Splitting Multiple Access and its Interplay with Intelligent Reflecting Surfaces

Arthur S. de Sena, Pedro H. J. Nardelli, Daniel B. da Costa +2

Rate-splitting multiple access (RSMA) has recently appeared as a powerful technique for improving the downlink performance of multiple-input multiple-output (MIMO) systems. By flex…

eess.SP2021

IRS-Assisted Massive MIMO-NOMA Networks with Polarization Diversity

Arthur S. de Sena, Pedro H. J. Nardelli, Daniel B. da Costa +5

In this paper, the appealing features of a dual-polarized intelligent reflecting surface (IRS) are exploited to improve the performance of dual-polarized massive multiple-input mul…

eess.SP2020

IRS-Assisted Massive MIMO-NOMA Networks: Exploiting Wave Polarization

Arthur S. de Sena, Pedro H. J. Nardelli, Daniel B. da Costa +5

A dual-polarized intelligent reflecting surface (IRS) can contribute to a better multiplexing of interfering wireless users. In this paper, we use this feature to improve the perfo…