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   Articles with "irs aided" as a keyword



Intelligent Reflecting Surface-Aided Wireless Energy and Information Transmission: An Overview

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recommendations! Published in 2022 at "Proceedings of the IEEE"

DOI: 10.1109/jproc.2021.3121790

Abstract: Intelligent reflecting surface (IRS) is a promising technology for achieving spectrum and energy-efficient wireless networks cost-effectively. Most existing works on IRS have focused on exploiting IRS to enhance the performance of wireless communication or wireless… read more here.

Keywords: energy; intelligent reflecting; transmission; information ... See more keywords
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IRS Aided MEC Systems With Binary Offloading: A Unified Framework for Dynamic IRS Beamforming

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recommendations! Published in 2022 at "IEEE Journal on Selected Areas in Communications"

DOI: 10.1109/jsac.2022.3228605

Abstract: In this paper, we develop a unified dynamic intelligent reflecting surface (IRS) beamforming framework to boost the sum computation rate of an IRS-aided mobile edge computing (MEC) system, where each device follows a binary offloading… read more here.

Keywords: irs beamforming; mec systems; irs aided; framework ... See more keywords

Intelligent-Reflecting-Surface-Aided Bidirectional Full-Duplex Communication System With Imperfect Self-Interference Cancellation and Hardware Impairments

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recommendations! Published in 2023 at "IEEE Systems Journal"

DOI: 10.1109/jsyst.2022.3167514

Abstract: In this article, we combine two new technologies [full-duplex (FD) transmission and intelligent reflecting surface (IRS)] in a wireless communication system for investigation. Specifically, we evaluate the performance of an IRS-aided bidirectional FD communication system… read more here.

Keywords: system; hardware; irs aided; communication system ... See more keywords

Antenna Selection for IRS-Aided MU-MIMO

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recommendations! Published in 2022 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2022.3198404

Abstract: Antenna selection (AS) and intelligent reflecting surface (IRS) are two promising technologies to reduce the hardware cost of multi-antenna systems. This letter intends to jointly design the users’ active transmit beamformers, the IRS’s passive beamformer,… read more here.

Keywords: antenna selection; selection irs; irs aided; aided mimo ... See more keywords
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Dual-Hop Hybrid IRS-Aided Outdoor-to-Indoor mmWave Communications

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recommendations! Published in 2022 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2022.3202964

Abstract: In this letter, we design a dual-hop hybrid intelligent reflecting surface (IRS)-aided millimeter-wave (mmWave) system with one passive and one active IRS. In this system, we aim to maximize the user received signal-to-noise ratio (SNR)… read more here.

Keywords: irs aided; dual hop; hop hybrid; aided outdoor ... See more keywords
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UKF-Based Channel Tracking Method for IRS-aided mmWave MISO Systems

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recommendations! Published in 2023 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2023.3269201

Abstract: In this letter, we propose an unscented Kalman filtering (UKF)-based method to track the channel parameters of the intelligent reflecting surface (IRS) aided millimeter wave (mmWave) multi-input single-output (MISO) systems. To minimize the mean squared… read more here.

Keywords: miso systems; irs aided; based channel; ukf based ... See more keywords
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Cramér–Rao Lower Bound Optimization for Hidden Moving Target Sensing via Multi-IRS-Aided Radar

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recommendations! Published in 2022 at "IEEE Signal Processing Letters"

DOI: 10.1109/lsp.2022.3224681

Abstract: Intelligent reflecting surface (IRS) is a rapidly emerging paradigm to enable non-line-of-sight (NLoS) wireless transmission. In this paper, we focus on IRS-aided radar estimation performance of a moving hidden or NLoS target. Unlike prior works… read more here.

Keywords: lower bound; aided radar; rao lower; irs aided ... See more keywords
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Energy Efficiency in Secure IRS-Aided SWIPT

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recommendations! Published in 2020 at "IEEE Wireless Communications Letters"

DOI: 10.1109/lwc.2020.3006837

Abstract: This letter studies the energy efficiency (EE) in a secure intelligent reflecting surface (IRS)-aided simultaneous wireless information and power transfer (SWIPT) network, where an access point (AP) serves information decoding receivers (IDRs) and energy harvesting… read more here.

Keywords: irs aided; energy efficiency; efficiency secure; energy ... See more keywords
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Multi-Objective Resource Allocation for IRS-Aided SWIPT

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recommendations! Published in 2021 at "IEEE Wireless Communications Letters"

DOI: 10.1109/lwc.2021.3065844

Abstract: In this letter, we study the resource allocation for a multiuser intelligent reflecting surface (IRS)-aided simultaneous wireless information and power transfer (SWIPT) system. Specifically, a multi-antenna base station (BS) transmits energy and information signals simultaneously… read more here.

Keywords: irs aided; resource allocation; information; multi objective ... See more keywords
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Robust Beamforming Design for IRS-Aided Secure SWIPT Terahertz Systems With Non-Linear EH Model

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recommendations! Published in 2022 at "IEEE Wireless Communications Letters"

DOI: 10.1109/lwc.2022.3142098

Abstract: In this letter, we study intelligent reflecting surface (IRS) aided simultaneous wireless information and power transfer (SWIPT) terahertz secure systems under a non-linear energy harvesting (EH) model. Assuming that the cascaded channel state information is… read more here.

Keywords: systems non; beamforming design; irs aided; non linear ... See more keywords

Placement Optimization for Multi-IRS-Aided Wireless Communications: An Adaptive Differential Evolution Algorithm

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recommendations! Published in 2022 at "IEEE Wireless Communications Letters"

DOI: 10.1109/lwc.2022.3151074

Abstract: Using intelligent reflecting surfaces (IRSs) is a promising approach to enhance the performance of wireless communication systems. In this letter, the placement optimization of multi-IRSs is investigated in multi-IRS-aided wireless communication systems, with the aim… read more here.

Keywords: placement optimization; optimization multi; irs aided; aided wireless ... See more keywords