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相关论文: Intelligent Reflecting Surface Aided Multi-User Co…

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This work examines the performance gain achieved by deploying an intelligent reflecting surface (IRS) in covert communications. To this end, we formulate the joint design of the transmit power and the IRS reflection coefficients by taking…

信息论 · 计算机科学 2022-01-12 Xiaobo Zhou , Shihao Yan , Qingqing Wu , Feng Shu , Derrick Wing Kwan Ng

In this paper, we propose intelligent reflecting surfaces (IRS) assisted secure wireless communications with multi-input and multi-output antennas (IRS-MIMOME). The considered scenario is an access point (AP) equipped with multiple antennas…

信息论 · 计算机科学 2020-01-27 Weiheng Jiang , Yu Zhang , Jinsong Wu , Wenjiang Feng , Yi Jin

Intelligent reflecting surfaces (IRSs) have received considerable attention from the wireless communications research community recently. In particular, as low-cost passive devices, IRSs enable the control of the wireless propagation…

信息论 · 计算机科学 2019-04-30 Xianghao Yu , Dongfang Xu , Robert Schober

The rapid development of sixth-generation (6G) wireless networks requires seamless integration of communication and sensing to support ubiquitous intelligence and real-time, high-reliability applications. Integrated sensing and…

信号处理 · 电气工程与系统科学 2025-11-17 Qingqing Wu , Qiaoyan Peng , Ziheng Zhang , Xiaodan Shao , Yang Liu , Yifan Jiang , Yapeng Zhao , Yanze Zhu , Yilong Chen , Zixiang Ren , Jie Xu , Wen Chen , Rui Zhang

In this study, we investigate the use of intelligent reflecting surfaces (IRSs) in multi-operator communication systems for 6G networks, focusing on sustainable and efficient resource management. This research is motivated by two critical…

信息论 · 计算机科学 2025-11-10 Hiroaki Hashida , Yuichi Kawamoto , Nei Kato

Integrating wireless sensing capabilities into base stations (BSs) has become a widespread trend in the future beyond fifth-generation (B5G)/sixth-generation (6G) wireless networks. In this paper, we investigate intelligent reflecting…

新兴技术 · 计算机科学 2024-04-09 Taotao Ji , Meng Hua , Xuanhong Yan , Chunguo Li , Yongming Huang , Luxi Yang

In this paper, we consider a multi-user multiple-input multiple-output (MIMO) system aided by multiple intelligent reflecting surfaces (IRSs) that are deployed to increase the coverage and, possibly, the rank of the channel. We propose an…

信息论 · 计算机科学 2020-12-22 Andrea Abrardo , Davide Dardari , Marco Di Renzo

This paper proposes a novel location information aided multiple intelligent reflecting surface (IRS) systems. Assuming imperfect user location information, the effective angles from the IRS to the users are estimated, which is then used to…

信息论 · 计算机科学 2020-08-24 Xiaoling Hu , Caijun Zhong , Yu Zhang , Xiaoming Chen , Zhaoyang Zhang

Intelligent reflecting surface (IRS) has recently emerged as a new solution to enhance wireless communication performance via passive signal reflection. In this letter, we unlock the potential of IRS controller in relaying information and…

信息论 · 计算机科学 2021-06-24 Beixiong Zheng , Rui Zhang

Intelligent Reflecting Surface (IRS) has been a promising solution to enhance wireless networks both spectral-efficiently and energy-efficiently. This paper considers an IRS-assisted the Internet of Things network for massive connectivity.…

信号处理 · 电气工程与系统科学 2019-11-28 Shuhao Xia , Yuanming Shi

The concept of intelligent reflecting surfaces (IRSs) is considered as a promising technology for increasing the efficiency of mobile wireless networks. This is achieved by employing a vast amount of low-cost individually adjustable passive…

网络与互联网体系结构 · 计算机科学 2020-12-01 Kevin Weinberger , Alaa Alameer Ahmad , Aydin Sezgin

Intelligent reflecting surface (IRS) has recently been envisioned to offer unprecedented massive multiple-input multiple-output (MIMO)-like gains by deploying large-scale and low-cost passive reflection elements. By adjusting the reflection…

信号处理 · 电气工程与系统科学 2020-07-15 Gui Zhou , Cunhua Pan , Hong Ren , Kezhi Wang , Arumugam Nallanathan

Intelligent reflecting surface (IRS) is an emerging technology to enhance the spectral and energy efficiency of wireless communications cost-effectively. This letter considers a new multi-IRS aided wireless network where a cascaded…

信息论 · 计算机科学 2021-08-12 Weidong Mei , Rui Zhang

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…

信号处理 · 电气工程与系统科学 2020-04-27 Cunhua Pan , Hong Ren , Kezhi Wang , Wei Xu , Maged Elkashlan , Arumugam Nallanathan , Lajos Hanzo

In this paper, the secure performance of multiuser multiple-input single-output wireless communications systems assisted by a multifunctional active intelligent reflection surface (IRS) is investigated. The active IRS can simultaneously…

信号处理 · 电气工程与系统科学 2022-05-06 Shaokang Hu , Derrick Wing Kwan Ng , Jinhong Yuan

Intelligent reflecting surface (IRS) is deemed as a promising and revolutionizing technology for future wireless communication systems owing to its capability to intelligently change the propagation environment and introduce a new dimension…

信号处理 · 电气工程与系统科学 2021-01-06 Wenhao Cai , Rang Liu , Yang Liu , Ming Li , Qian Liu

Intelligent reflecting surface (IRS) is a novel burgeoning concept, which possesses advantages in enhancing wireless communication and user localization, while maintaining low hardware cost and energy consumption. Herein, we establish an…

信息论 · 计算机科学 2021-03-02 Rui Wang , Zhe Xing , Erwu Liu

Intelligent reflecting surface (IRS) has emerged as a promising technology to reconfigure the radio propagation environment by dynamically controlling wireless signal's amplitude and/or phase via a large number of reflecting elements. In…

信号处理 · 电气工程与系统科学 2022-05-26 Xiaodan Shao , Changsheng You , Wenyan Ma , Xiaoming Chen , Rui Zhang

Intelligent reflecting surface (IRS) has recently been emerged as an effective way for improving the performance of wireless networks by reconfiguring the propagation environment through a large number of passive reflecting elements. This…

信息论 · 计算机科学 2021-12-07 Parisa Ramezani , Abbas Jamalipour

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…

信息论 · 计算机科学 2021-06-25 Qingqing Wu , Xinrong Guan , Rui Zhang