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   Articles with "reflecting surface" as a keyword



Spectral efficiency optimization for intelligent reflecting surface aided multi‐input multi‐output terahertz system

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recommendations! Published in 2020 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.32362

Abstract: Intelligent reflecting surface (IRS) is considered as a promising application in terahertz (THz) communications since it is able to enhance the THz communication with no additional power consumptions. In this letter, we consider a downlink… read more here.

Keywords: reflecting surface; multi; intelligent reflecting; multi input ... See more keywords

Single/bidirectional pattern and beamwidth reconfigurable array antenna using reconfigurable reflecting surface

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recommendations! Published in 2024 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.34132

Abstract: This study describes an array antenna that allows for reconfiguration of the three significant antenna properties, that is, radiation pattern, half‐power beamwidth (HPBW), and single and bi‐directional beam. A reconfigurable reflecting surface (RRS) has been… read more here.

Keywords: beamwidth; reconfigurable reflecting; antenna; array antenna ... See more keywords
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Detect Pilot Spoofing Attack for Intelligent Reflecting Surface Assisted Systems

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recommendations! Published in 2021 at "IEEE Access"

DOI: 10.1109/access.2021.3054821

Abstract: Pilot spoofing attack (PSA) is a kind of active eavesdropping, which launches the identical training sequence to manipulate the channel estimation outcome during the pilot training phase. The newly proposed intelligent reflecting surface (IRS) system… read more here.

Keywords: pilot spoofing; pilot; intelligent reflecting; reflecting surface ... See more keywords

A Secure-Transmission Maximization Scheme for SWIPT Systems Assisted by an Intelligent Reflecting Surface and Deep Learning

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recommendations! Published in 2022 at "IEEE Access"

DOI: 10.1109/access.2022.3159679

Abstract: Recently, the demand for spectral and energy efficiency has significantly been increased along with new breakthroughs in programmable meta-material techniques. The integration of an intelligent reflecting surface (IRS) into simultaneous wireless information and power transfer… read more here.

Keywords: reflecting surface; swipt; intelligent reflecting; secure transmission ... See more keywords

Design of an Intelligent Reflecting Surface aided mmWave Massive MIMO using X-Precoding

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recommendations! Published in 2022 at "IEEE Access"

DOI: 10.1109/access.2022.3187171

Abstract: In this paper, we consider an intelligent reflecting surface (IRS) aided millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) system using hybrid beamforming/combining. To enhance error performance, we adopt X-code (or X-precoder), a low-complexity precoding technique… read more here.

Keywords: reflecting surface; code precoder; intelligent reflecting; mimo ... See more keywords

Resource Configuration for Throughput Maximization in UAV-WPCN With Intelligent Reflecting Surface

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recommendations! Published in 2023 at "IEEE Access"

DOI: 10.1109/access.2023.3266375

Abstract: UAV-based wireless powered communication network is a promising method of power supply for battery-free IoT devices, but the limited wireless transmission capability of the UAV constrains the coverage area and transmission throughput. This paper aims… read more here.

Keywords: reflecting surface; intelligent reflecting; throughput maximization; convex ... See more keywords

Robust Design for Intelligent Reflecting Surface-Assisted MIMO-OFDMA Terahertz IoT Networks

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recommendations! Published in 2021 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2021.3064069

Abstract: Terahertz (THz) communication has been regarded as one promising technology to enhance the transmission capacity of future Internet-of-Things (IoT) users due to its ultrawide bandwidth. Nonetheless, one major obstacle that prevents the actual deployment of… read more here.

Keywords: thz; reflection matrix; terahertz; intelligent reflecting ... See more keywords

Intelligent Reflecting Surface and Artificial-Noise-Assisted Secure Transmission of MEC System

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recommendations! Published in 2022 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2021.3127534

Abstract: Mobile-edge computing (MEC) and intelligent reflecting surface (IRS) have attracted much attention as promising technologies for the next-generation mobile networks and Internet of Things (IoT). In this article, we investigate how to improve the security… read more here.

Keywords: intelligent reflecting; reflecting surface; artificial noise; mec system ... See more keywords

Intelligent-Reflecting-Surface-Empowered Wireless-Powered Caching Networks

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recommendations! Published in 2022 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2022.3142206

Abstract: In this article, we propose an intelligent reflecting surface (IRS)-enabled wireless-powered caching system. In the proposed IRS model, a power station (PS) provides wireless energy to multiple Internet of Things (IoT) devices, delivering their information… read more here.

Keywords: reflecting surface; wireless; powered caching; intelligent reflecting ... See more keywords

Intelligent Reflecting Surface Assisted Hybrid Access Vehicular Communication: NOMA or OMA Contributes the Most?

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recommendations! Published in 2022 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2022.3162787

Abstract: Vehicular communications have witnessed remarkable achievements throughout the last few years on the way of providing reliable, safe, and affordable travel experience. Such achievements have not only skyrocketed the demand to the current services of… read more here.

Keywords: reflecting surface; intelligent reflecting; noma; oma ... See more keywords

Secrecy Rate Maximization for Intelligent Reflecting Surface-Assisted MIMO Systems in Vehicular Networks

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recommendations! Published in 2024 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2023.3332896

Abstract: Vehicle-to-everything (V2X) is an important application scenario in 6G, where secure transmission is crucial in vehicular networks. Thus, this article explores the application of an intelligent reflecting surface (IRS) in secure multipleinput multiple-output (MIMO) communication… read more here.

Keywords: rate maximization; intelligent reflecting; vehicular networks; secrecy rate ... See more keywords