156 citations · 240 across the 20 of their papers we have counts for
15 papers · 1 filter
RIS-Assisted Sensing: A Nested Tensor Decomposition-Based Approach
Kenneth Benício, Fazal-E-Asim, Bruno Sokal +4
We study a monostatic multiple-input multiple-output sensing scenario assisted by a reconfigurable intelligent surface using tensor signal modeling. We propose a method that exploi…
RIS-Aided Dual-Polarized MIMO: How Large a Surface is Needed to Beat Single Polarization?
Zizhou Zheng, Huan Huang, Hongliang Zhang +1
Dual-polarized (DP) multiple-input-multiple-output (MIMO) systems have been widely adopted in commercial mobile wireless communications. Such systems achieve multiplexing and diver…
Meta-Learning-Driven Adaptive Codebook Design for Near-Field Communications
Mianyi Zhang, Yunlong Cai, Jiaqi Xu +1
Extremely large-scale arrays (XL-arrays) and ultra-high frequencies are two key technologies for sixth-generation (6G) networks, offering higher system capacity and expanded bandwi…
MIMO Detection with Spatial Sigma-Delta ADCs: A Variational Bayesian Approach
Toan-Van Nguyen, Sajjad Nassirpour, Italo Atzeni +3
The spatial Sigma-Delta () architecture can be leveraged to reduce the quantization noise and enhance the effective resolution of few-bit analog-to-digital converters (ADCs) at…
Model-Based Machine Learning for Max-Min Fairness Beamforming Design in JCAS Systems
Mengyuan Ma, Tianyu Fang, Nir Shlezinger +3
Joint communications and sensing (JCAS) is expected to be a crucial technology for future wireless systems. This paper investigates beamforming design for a multi-user multi-target…
Jammer Mitigation in Absorptive RIS-Assisted Uplink NOMA
Azadeh Tabeshnezhad, Yuqing Zhu, Artem Vilenskiy +3
Non-orthogonal multiple access (NOMA) is a promising technology for next-generation wireless communication systems due to its enhanced spectral efficiency. In this paper, we consid…
Intelligent Reflecting Surface-Enabled Anti-Detection for Secure Sensing and Communications
Beixiong Zheng, Xue Xiong, Tiantian Ma +4
The ever-increasing reliance on wireless communication and sensing has led to growing concerns over the vulnerability of sensitive information to unauthorized detection and interce…
Secure Outage Analysis for RIS-Aided MISO Systems with Randomly Located Eavesdroppers
Wei Shi, Jindan Xu, Wei Xu +4
In this paper, we consider the physical layer security of an RIS-assisted multiple-antenna communication system with randomly located eavesdroppers. The exact distributions of the…
WMMSE-Based Rate Maximization for RIS-Assisted MU-MIMO Systems
Hyuckjin Choi, A. Lee Swindlehurst, Junil Choi
Reconfigurable intelligent surface (RIS) technology, given its ability to favorably modify wireless communication environments, will play a pivotal role in the evolution of future…
A New Intelligent Reflecting Surface-Aided Electromagnetic Stealth Strategy
Xue Xiong, Beixiong Zheng, A. Lee Swindlehurst +2
Electromagnetic wave absorbing material (EWAM) plays an essential role in manufacturing stealth aircraft, which can achieve the electromagnetic stealth (ES) by reducing the strengt…
A Deep Reinforcement Learning Approach for Autonomous Reconfigurable Intelligent Surfaces
Hyuckjin Choi, Ly V. Nguyen, Junil Choi +1
A reconfigurable intelligent surface (RIS) is a prospective wireless technology that enhances wireless channel quality. An RIS is often equipped with passive array of elements and…
Next Generation Advanced Transceiver Technologies for 6G and Beyond
Changsheng You, Yunlong Cai, Yuanwei Liu +4
To accommodate new applications such as extended reality, fully autonomous vehicular networks and the metaverse, next generation wireless networks are going to be subject to much m…
Joint Downlink and Uplink Optimization for RIS-Aided FDD MIMO Communication Systems
Gyoseung Lee, Hyeongtaek Lee, Donghwan Kim +3
This paper investigates reconfigurable intelligent surface (RIS)-aided frequency division duplexing (FDD) communication systems. Since the downlink and uplink signals are simultane…
On the Information Leakage Performance of Secure Finite Blocklength Transmissions over Rayleigh Fading Channels
Milad Tatar Mamaghani, Xiangyun Zhou, Nan Yang +2
This paper presents a secrecy performance study of a wiretap communication system with finite blocklength (FBL) transmissions over Rayleigh fading channels, based on the definition…
Near-Field Communications: A Comprehensive Survey
Yuanwei Liu, Chongjun Ouyang, Zhaolin Wang +3
Multiple-antenna technologies are evolving towards larger aperture sizes, extremely high frequencies, and innovative antenna types. This evolution is fostering the emergence of nea…