Results 21 to 30 of about 1,668 (208)
Sum Rate Optimization for MIMO Multicasting Network with Active IRS
International Journal of Distributed Sensor Networks, 2023 This paper considers a multiple-input multiple-output (MIMO) multicasting system aided by the intelligent reflecting surface (IRS). We aim to maximize the sum information rate via jointly designing the transmit precoding matrix and the reflecting ...
Ping Li, Jinhong Bian
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Sum Rate Optimization of IRS-Aided Uplink Muliantenna NOMA with Practical Reflection
Sensors, 2022 Recently, intelligent reflecting surfaces (IRSs) have drawn huge attention as a promising solution for 6G networks to enhance diverse performance metrics in a cost-effective way. For massive connectivity toward a higher spectral efficiency, we address an
Jihyun Choi +3 more
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Deep Reinforcement Learning for Intelligent Reflecting Surface-assisted D2D Communications
EAI Endorsed Transactions on Industrial Networks and Intelligent Systems, 2023 In this paper, we propose a deep reinforcement learning (DRL) approach for solving the optimisation problem of the network’s sum-rate in device-to-device (D2D) communications supported by an intelligent reflecting surface (IRS).
Khoi Khac Nguyen +2 more
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Intelligent Reflecting Vehicle Surface: A Novel IRS Paradigm for Moving Vehicular Networks
MILCOM 2022 - 2022 IEEE Military Communications Conference (MILCOM), 2022 Intelligent reflecting surface (IRS) has recently received much attention from the research community due to its potential to achieve high spectral and power efficiency cost-effectively. In addition to traditional cellular networks, the use of IRS in vehicular networks is also considered.
Wei Jiang 0002, Hans D. Schotten
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Digital Communications and Networks, 2023 Intelligent reflecting surface (IRS) has been widely regarded as a promising technology for configuring wireless propagation environments. In this paper, we utilize IRS to assist transmission of a secondary user (SU) in a cognitive radio-inspired rate ...
Peixu Liu +4 more
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IEEE Access, 2021 This paper proposes an intelligent reflective surface (IRS) design scheme to improve the spectral efficiency (SE) for downlink multi-user (MU) multiple-input-single-output (MISO) system. IRS composed of low-cost reflecting elements is expected to be used
Ji-Sung Jung +3 more
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Learning-Based IRS-Assisted Secure Transmission for Mine IoTs
Sensors, 2023 Mine Internet of Things (MIoT) devices in intelligent mines often face substantial signal attenuation due to challenging operating conditions.
Minghui Min +4 more
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IRS-Aided Radar: Enhanced Target Parameter Estimation via Intelligent Reflecting Surfaces
2022 IEEE 12th Sensor Array and Multichannel Signal Processing Workshop (SAM), 2022 The intelligent reflecting surface (IRS) technology has recently attracted a lot of interest in wireless communications research. An IRS consists of passive reflective elements capable of tuning the phase, amplitude, frequency and polarization of the impinging waveforms.
Zahra Esmaeilbeig +2 more
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Intelligent Reflecting Surface Enabled Covert Communications in Wireless Networks
IEEE Network, 2020 With growing security threats to the evolving wireless systems, protecting user privacy becomes progressively challenging. Even if the transmitted information is encrypted and the potential wiretap channel is physically limited (e.g. through information-theoretic security approaches), the raw data itself, such as transmitter position and transmission ...
Xiao Lu 0001 +5 more
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Multi-user beamforming on intelligent reflecting surface and networks [PDF]
, 2022 Full abstract available: pages i-iii. A new type of retrofitted low-cost material is recently proposed and made it possible to control (or program) part of the wireless channel around us.
Liu, Yihong
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