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Using Intelligent Reflecting Surfaces for Rank Improvement in MIMO Communications
[article]
2020
arXiv
pre-print
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An intelligent reflecting surface (IRS), consisting of reconfigurable metamaterials, can be used to partially control the radio environment and thereby bring new features to wireless communications. ...
In this paper, we study another use case that might have a larger impact on the channel capacity: rank improvement. ...
INTRODUCTION An intelligent reflecting surface (IRS) is a thin two-dimensional metamaterial (i.e., engineered material) that can control and transform electromagnetic waves [1, 2] . ...
arXiv:2002.02182v1
fatcat:klkbdvo2dbhszpnjaxfa4ilwaq
[SAM 2020 Title Page]
2020
2020 IEEE 11th Sensor Array and Multichannel Signal Processing Workshop (SAM)
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118 1570620438 Outage Minimization for Intelligent Reflecting Surface Aided
MISO Communication Systems via Stochastic Beamforming
P
119 1570621286 PARAFAC-Based Channel Estimation for Intelligent ...
Reflective Surface Assisted MIMO System
120 1570618222 Parallel Factor Decomposition Channel Estimation in RIS-
Assisted Multi-User MISO Communication
121 1570621121 Parametric bootstrapping of array ...
doi:10.1109/sam48682.2020.9104267
fatcat:erntqdmhdrdspcrkvjowtplyyq
SAM 2020 Author Index
2020
2020 IEEE 11th Sensor Array and Multichannel Signal Processing Workshop (SAM)
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Improvement in a Coexistent Radar and Communications System Two-timescale Beamforming Optimization for Intelligent Reflecting Surface Enhanced Wireless Network DOA Estimation Using Coarray Interpolation ...
Jun
SS02.1
Efficient Beamforming Training and Channel
Estimation for mmWave MIMO-OFDM Systems
Fang, Wenzhi
SS08.4
Outage Minimization for Intelligent Reflecting
Surface Aided MISO Communication ...
doi:10.1109/sam48682.2020.9104397
fatcat:cfp5gsikrzabhhcnkalahjkxze
Guest Editorial Special Issue on Multiple Antenna Technologies for Beyond 5G-Part—I
2020
IEEE Journal on Selected Areas in Communications
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INTELLIGENT REFLECTING SURFACES The paper "Intelligent reflecting surface aided MIMO broadcasting for simultaneous wireless information and power transfer" addresses simultaneous wireless information and ...
The paper "Capacity characterization for intelligent reflecting surface aided MIMO communication" aims to characterize the fundamental limits of an IRS-aided point-to-point MIMO communication system by ...
His research interests include the design and analysis of broadband wireless communication systems, 5G wireless systems, multiple-input-multiple-output (MIMO) communications, millimeter wave wireless, ...
doi:10.1109/jsac.2020.3001817
fatcat:dr4wt6znafak3jax2nm6z4oooy
Technology Trends for Massive MIMO towards 6G
[article]
2023
arXiv
pre-print
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(IOSs)/intelligent reflecting surfaces (IRSs), artificial intelligence (AI), THz communications, cell free architecture. ...
Moreover, several evolutionary features and revolutionizing trends for massive MIMO have gradually emerged in recent years, which are expected to reshape the future 6G wireless systems and networks. ...
All co-authors contributed equally in this manuscript. ...
arXiv:2301.01703v2
fatcat:7xinza35tfa3no7l6m6utifr4u
IEEE Access Special Section Editorial: Communications in Harsh Environments
2021
IEEE Access
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A three-step training (TST) scheme is designed to detect pilot spoofing attack (PSA) in the article ''Detect pilot spoofing attack for intelligent reflecting surface assisted systems,'' by Liu et al. ...
Compared with fixed reflection surface, the advantage of using metasurface is the flexible control of reflection direction and phase and intensity of the incident signal. ...
doi:10.1109/access.2021.3077176
fatcat:nnggukisyrdill733z7twkfk5e
Cascaded Channel Estimation for Large Intelligent Metasurface Assisted Massive MIMO
[article]
2019
arXiv
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In this letter, we consider the problem of channel estimation for large intelligent metasurface (LIM) assisted massive multiple-input multiple-output (MIMO) systems. ...
Simulation results illustrate that the proposed method can achieve accurate channel estimation for LIM-assisted massive MIMO systems. ...
intelligent reflecting surface [4] or and training based deep learning approach for the LIM-assisted
the reconfigurable intelligent surface [5], has ...
arXiv:1905.07948v2
fatcat:mlcoepv4ifg3jmlye25os5srke
Capacity Improvement in Reconfigurable Intelligent Surface Assisted MIMO Communications
2021
IEEE Access
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INTRODUCTION R ECONFIGURABLE intelligent surface (RIS), also known as intelligent reflecting surface (IRS) [1] , large intelligent surface (LIS) [2] , among others [3] , [4] , has become a hot topic ...
in real time, generating an anomalous reflection [9] rather than a specular reflection, and thus is capable of creating an intelligent electromagnetic environment for wireless communications [10] , ...
doi:10.1109/access.2021.3113917
fatcat:2arhmz35zjb57a4yp3s7qdmfga
Optimal Placement of Transmissive RIS in the Near Field for Capacity Maximization in THz Communications
[article]
2023
arXiv
pre-print
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This study centers on Line-of-Sight (LoS) MIMO communication enabled by a Transmissive Reconfigurable Intelligent Surface (RIS) operating in the Terahertz (THz) frequency bands. ...
This phenomenon contributes to an enhancement in spatial multiplexing. ...
Papers [6, 7] establish that the Intelligent reflecting surface (IRS)-assisted system's capacity is optimum only when the IRS is in the vicinity of the transmitter (Tx) or receiver (Rx). ...
arXiv:2312.00977v1
fatcat:p4jlovxpprccnp2yasok3ey6w4
A Survey of Intelligent Reflecting Surfaces (IRSs): Towards 6G Wireless Communication Networks
[article]
2019
arXiv
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Intelligent reflecting surfaces (IRSs) tune wireless environments to increase spectrum and energy efficiencies. ...
We further identify future research directions for IRSs, with an envision of the IRS technology playing a critical role in 6G communication networks similar to that of massive MIMO in 5G networks. ...
FUTURE RESEARCH DIRECTIONS FOR INTELLIGENT REFLECTING SURFACES We envision that IRS will play a fundamental role in 6G wireless communication networks similar to that of massive MIMO in 5G networks. ...
arXiv:1907.04789v3
fatcat:h2pnmce46zhftg2zojmkri7opy
Intelligent Reflecting Surface Assisted Massive MIMO Communications
[article]
2020
arXiv
pre-print
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This paper thus studies the feasibility of adopting the intelligent reflecting surface (IRS) to further improve the beamforming gain of the uplink communications in a massive MIMO system. ...
In this paper, we first show that the favorable propagation property for the conventional massive MIMO system without IRS, i.e., the channels of arbitrary two users are orthogonal, no longer holds for ...
In this paper, we study the feasibility of adopting the intelligent reflecting surface (IRS) [4] - [6] to further improve the throughput of the massive MIMO system. ...
arXiv:2002.05899v3
fatcat:4e77ulhb2fg5loi5sz5hte5jbe
Reconfigurable-Intelligent-Surface Empowered Wireless Communications: Challenges and Opportunities
[article]
2020
arXiv
pre-print
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Reconfigurable intelligent surfaces (RISs) are regarded as a promising emerging hardware technology to improve the spectrum and energy efficiency of wireless networks by artificially reconfiguring the ...
In this article, we focus on three fundamental physical-layer challenges for the incorporation of RISs into wireless networks, namely, channel state information acquisition, passive information transfer ...
Reconfigurable intelligent surfaces (RISs), a.k.a., large intelligent metasurfaces (LIMs) [2] and intelligent reflecting surfaces (IRSs) [3] , have been envisioned to reduce the energy consumption and ...
arXiv:2001.00364v3
fatcat:r46wtlmeibdzrj4xc2iqobctia
Rank Optimization for MIMO Channel with RIS: Simulation and Measurement
[article]
2023
arXiv
pre-print
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2023 pre-print arXiv:2307.13237v1 fatcat:u72uil4pmvaapgmi5avxhp4smq
In this paper, an efficient RIS optimization method is proposed to enhance the effective rank of the MIMO channel for achievable rate improvement. ...
Reconfigurable intelligent surface (RIS) is a promising technology that can reshape the electromagnetic environment in wireless networks, offering various possibilities for enhancing wireless channels. ...
The advent of reconfigurable intelligent surfaces (RIS), which can be integrated into the channel, offers new opportunities for addressing this problem. ...
arXiv:2307.13237v2
fatcat:5zst3bvezvaf7ih2sljpdow4ke
Sum-Rate Maximization of RIS-Aided Multi-User MIMO Systems With Statistical CSI
[article]
2021
arXiv
pre-print
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This paper investigates a reconfigurable intelligent surface (RIS)-aided multi-user multiple-input multiple-output (MIMO) system by considering only the statistical channel state information (CSI) at the ...
For tractability, a deterministic approximation is derived for the sum-rate under a large number of the reflecting elements. ...
Alouini, “Joint reflecting and precoding designs for SER minimization in reconfigurable intelligent
surfaces assisted MIMO systems,” IEEE Trans. ...
arXiv:2112.11936v1
fatcat:3mvqeexurbemvgca7u5e2vsmsy
Technology Trends for Massive MIMO towards 6G
2023
Sensors
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These include intelligent omni-surfaces (IOSs)/intelligent reflecting surfaces (IRSs), artificial intelligence (AI), Terahertz (THz) communications, and cell-free architectures. ...
In addition, an array of diverse applications built on the foundation of massive MIMO will continue to proliferate and thrive. ...
Acknowledgments: We express sincere thanks to the IEEE Future Networks Massive MIMO Working Group, and the Organizing Committee of the IEEE Future Networks Second Massive MIMO Workshop. ...
doi:10.3390/s23136062
pmid:37447911
pmcid:PMC10347082
fatcat:wvnhkske2nec5cjoqoihnrjbii
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