Research on next event estimation for reflecting surfaces
Sign Up to like & getrecommendations! Published in 2019 at "Progress in Nuclear Energy"
DOI: 10.1016/j.pnucene.2019.03.032
Abstract: Abstract The next-event-estimation method, though commonly employed in Monte Carlo simulations, will underestimate point flux with reflecting, white, or periodic surfaces. This paper proposed a modification on the traditional next event estimation method to improve… read more here.
Keywords: next event; method; reflecting surfaces; event estimation ... See more keywords
Security Hardening of Intelligent Reflecting Surfaces Against Adversarial Machine Learning Attacks
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3206012
Abstract: Next-generation communication networks, also known as NextG or 5G and beyond, are the future data transmission systems that aim to connect a large amount of Internet of Things (IoT) devices, systems, applications, and consumers at… read more here.
Keywords: intelligent reflecting; reflecting surfaces; machine learning; learning attacks ... See more keywords
Secure Beamforming for Multiple Intelligent Reflecting Surfaces Aided mmWave Systems
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2020.3028135
Abstract: In this letter, secure beamforming in a multiple intelligent reflecting surfaces (IRSs)-aided millimeter-wave (mmWave) system is investigated. In this system, the secrecy rate is maximized by controlling the on-off status of each IRS as well… read more here.
Keywords: multiple intelligent; problem; intelligent reflecting; secure beamforming ... See more keywords
Intelligent Reflecting Surfaces to Achieve the Full-Duplex Wireless Communication
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2020.3033585
Abstract: The full-duplex (FD) radio-frequency wireless communication theoretically doubles the data rates compared to the half-duplex counterpart. However, its performance depends critically on the self-interference (SI) that exists between transmit and receive antennas. The intelligent reflecting… read more here.
Keywords: full duplex; wireless communication; intelligent reflecting; reflecting surfaces ... See more keywords
How to Train Intelligent Reflecting Surfaces?
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2022.3177785
Abstract: This letter discusses the rationale of Intelligent Reflecting Surface (IRS) based transmission, state-of-the-art methods available for IRS training, and their challenges. Though IRS is known for its ability to constructively combine several multipath components by… read more here.
Keywords: intelligent reflecting; reflecting surfaces; train intelligent;
Intelligent Reflecting Surfaces and Spectrum Sensing for Cognitive Radio Networks
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Cognitive Communications and Networking"
DOI: 10.1109/tccn.2022.3171212
Abstract: In Cognitive Radio (CR) networks, Primary User (PU) and Secondary User (SU) coexist to efficiently share the spectrum. PU has the right to access its dedicated channel at any time, while SU, operating in an… read more here.
Keywords: spectrum sensing; intelligent reflecting; radio networks; reflecting surfaces ... See more keywords
Physics-Based Modeling and Scalable Optimization of Large Intelligent Reflecting Surfaces
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2020.3047098
Abstract: Intelligent reflecting surfaces (IRSs) have the potential to transform wireless communication channels into smart reconfigurable propagation environments. To realize this new paradigm, the passive IRSs have to be large, especially for communication in far-field scenarios,… read more here.
Keywords: optimization; physics; intelligent reflecting; physics based ... See more keywords
Intelligent Reflecting Surfaces for Free Space Optical Communication Systems
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2021.3084637
Abstract: In this paper, we investigate the use of intelligent reflecting surfaces (IRSs) to relax the line-of-sight requirement of free space optical (FSO) systems. Considering a Gaussian laser beam, we first design a phase-shift distribution across… read more here.
Keywords: system; space optical; free space; intelligent reflecting ... See more keywords
Deep Denoising Neural Network Assisted Compressive Channel Estimation for mmWave Intelligent Reflecting Surfaces
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Vehicular Technology"
DOI: 10.1109/tvt.2020.3005402
Abstract: Integrating large intelligent reflecting surfaces (IRS) into millimeter-wave (mmWave) massive multi-input-multi-ouput (MIMO) has been a promising approach for improved coverage and throughput. Most existing work assumes the ideal channel estimation, which can be challenging due… read more here.
Keywords: neural network; channel estimation; reflecting surfaces; intelligent reflecting ... See more keywords
Multicell MIMO Communications Relying on Intelligent Reflecting Surfaces
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Wireless Communications"
DOI: 10.1109/twc.2020.2990766
Abstract: Intelligent reflecting surfaces (IRSs) constitute a disruptive wireless communication technique capable of creating a controllable propagation environment. In this paper, we propose to invoke an IRS at the cell boundary of multiple cells to assist… read more here.
Keywords: precoding matrices; mimo communications; intelligent reflecting; phase shifts ... See more keywords
Joint Vehicular Localization and Reflective Mapping Based on Team Channel-SLAM
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Wireless Communications"
DOI: 10.1109/twc.2022.3163071
Abstract: This paper addresses high-resolution vehicle positioning and tracking. In recent work, it was shown that a fleet of independent but neighboring vehicles can cooperate for the task of localization by capitalizing on the existence of… read more here.
Keywords: team channel; localization; channel slam; reflecting surfaces ... See more keywords