中文
相关论文

相关论文: Intelligent Reflecting Surface-Aided Electromagnet…

200 篇论文

Intelligent reflecting surface (IRS) is a cost-effective solution for achieving high spectrum and energy efficiency in future wireless networks by leveraging massive low-cost passive elements that are able to reflect the signals with…

信息论 · 计算机科学 2020-01-03 Qingqing Wu , Rui Zhang

An intelligent reflecting surface (IRS) is invoked for enhancing the energy harvesting performance of a simultaneous wireless information and power transfer (SWIPT) aided system. Specifically, an IRS-assisted SWIPT system is considered,…

信号处理 · 电气工程与系统科学 2020-02-19 Cunhua Pan , Hong Ren , Kezhi Wang , Maged Elkashlan , Arumugam Nallanathan , Jiangzhou Wang , Lajos Hanzo

This paper investigates a multi-intelligent reflecting surface (IRS) aided integrated sensing and communication (ISAC) system, where multiple IRSs are strategically deployed not only to assist the communication from a multi-antenna base…

信息论 · 计算机科学 2025-06-30 Guangji Chen , Qingqing Wu , Shihang Lu , Meng Hua , Wen Chen

Intelligent reflecting surface (IRS) can smartly adjust the wavefronts in terms of phase, frequency, amplitude and polarization via passive reflections and without any need of radio frequency (RF) chains. It is envisaged as an emerging…

信号处理 · 电气工程与系统科学 2023-06-29 Syed Agha Hassnain Mohsan , Yanlong Li

Intelligent reflecting surface (IRS) is regarded as a revolutionary paradigm that can reconfigure the wireless propagation environment for enhancing the desired signal and/or weakening the interference, and thus improving the quality of…

信息论 · 计算机科学 2023-12-19 Xintong Chen , Jiangbin Lyu , Liqun Fu

The recently completed 5G new radio standard is a result of several cutting-edge technologies, including massive multiple-input multiple-output (MIMO), millimeter (mm)-Wave communication and network densification. However, these…

信号处理 · 电气工程与系统科学 2019-12-16 Qurrat-Ul-Ain Nadeem , Abla Kammoun , Anas Chaaban , Merouane Debbah , Mohamed-Slim Alouini

Intelligent reflecting surface (IRS) is a new promising technology that is able to reconfigure the wireless propagation channel via smart and passive signal reflection. In this paper, we investigate the capacity region of a two-user…

信息论 · 计算机科学 2021-07-12 Shuowen Zhang , Rui Zhang

In dual-function radar-communication (DFRC) systems the probing signal contains information intended for the communication users, which makes that information vulnerable to eavesdropping by the targets. We study the security of a DFRC…

信号处理 · 电气工程与系统科学 2024-04-25 Yi-Kai Li , Athina Petropulu

Intelligent reflecting surface (IRS) has drawn a lot of attention recently as a promising new solution to achieve high spectral and energy efficiency for future wireless networks. By utilizing massive low-cost passive reflecting elements,…

信息论 · 计算机科学 2022-10-17 Ming-Min Zhao , Qingqing Wu , Min-Jian Zhao , Rui Zhang

Intelligent reflecting surface (IRS) is a promising technology to boost the efficiency of wireless energy transfer (WET) systems. However, for a multiuser WET system, simultaneous multi-beam energy transmission is generally required to…

信息论 · 计算机科学 2022-05-19 Chi Qiu , Qingqing Wu , Meng Hua , Xinrong guan , Yuan Wu

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…

信息论 · 计算机科学 2021-04-22 Marzieh Najafi , Bernhard Schmauss , Robert Schober

Intelligent reflecting surfaces (IRSs) are emerging as promising enablers for the next generation of wireless communication systems, because of their ability to customize favorable radio propagation environments. However, with the…

信息论 · 计算机科学 2021-11-25 Dongfang Xu , Xianghao Yu , Derrick Wing Kwan Ng , Robert Schober

This paper considers unmanned aerial vehicle (UAV)-carried intelligent reflecting surface (IRS) for secure data collection in wireless sensor networks. An eavesdropper (Eve) lurks within the vicinity of the main receiver (Bob) while several…

信息论 · 计算机科学 2021-01-19 Christantus O. Nnamani , Muhammad R. A. Khandaker , Mathini Sellathurai

Intelligent Reflecting Surface (IRS) is a promising technology for next generation wireless networks. Despite substantial research in IRS-aided communications, the assumed antenna and channel models are typically simplified without…

信息论 · 计算机科学 2024-05-07 Dongsheng Fu , Xintong Chen , Jiangbin Lyu , Liqun Fu

Intelligent reflecting surface (IRS) is a cost-efficient technique to improve power efficiency and spectral efficiency. However, IRS-aided multi-antenna transmission needs to jointly optimize the passive and active beamforming, imposing a…

信息论 · 计算机科学 2022-05-03 Wei Jiang , Hans Dieter Schotten

In this work, we consider the target detection problem in a sensing architecture where the radar is aided by a reconfigurable intelligent surface (RIS), that can be modeled as an array of sub-wavelength small reflective elements capable of…

信号处理 · 电气工程与系统科学 2022-03-14 Stefano Buzzi , Emanuele Grossi , Marco Lops , Luca Venturino

The intelligent reflecting surface (IRS) is a promising new paradigm in wireless communications for meeting the growing connectivity demands in next-generation mobile networks. IRS, also known as software-controlled metasurfaces, consist of…

密码学与安全 · 计算机科学 2021-08-04 Paul Staat , Harald Elders-Boll , Markus Heinrichs , Christian Zenger , Christof Paar

This letter studies an active intelligent reflecting surface (IRS)-enabled non-line-of-sight (NLoS) target detection system, in which an active IRS equipped with active reflecting elements and sensors is strategically deployed to facilitate…

信号处理 · 电气工程与系统科学 2024-09-18 Xianxin Song , Xiaoqi Qin , Xianghao Yu , Jie Xu , Derrick Wing Kwan Ng

This paper studies intelligent reflecting surface (IRS) assisted active device detection. Since the locations of the devices are a priori unknown, optimal IRS beam alignment is not possible and a worst-case design for a given coverage area…

信号处理 · 电气工程与系统科学 2023-10-30 Friedemann Laue , Vahid Jamali , Robert Schober

This paper presents a new integrated sensing and communication (ISAC) framework, leveraging the recent advancements of reconfigurable distributed antenna and reflecting surface (RDARS). RDARS is a programmable surface structure comprising…

信息论 · 计算机科学 2024-01-11 Pingping Zhang , Jintao Wang , Yulin Shao , Shaodan Ma