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In this paper, an intelligent reflecting surface (IRS) is leveraged to enhance the physical layer security of an integrated sensing and communication (ISAC) system in which the IRS is deployed to not only assist the downlink communication…

Information Theory · Computer Science 2022-07-20 Meng Hua , Qingqing Wu , Wen Chen , Octavia A. Dobre , A. Lee Swindlehurst

An intelligent reflecting surface (IRS) is an array of discrete elements with configurable scattering properties. It has the capability to beamform arriving radio waves to an intended receiver, making it an attractive candidate technology…

Information Theory · Computer Science 2022-03-08 Ioannis Chatzigeorgiou

Intelligent reflecting surface (IRS) has emerged as a key enabling technology to realize smart and reconfigurable radio environment for wireless communications, by digitally controlling the signal reflection via a large number of passive…

Information Theory · Computer Science 2022-02-02 Beixiong Zheng , Changsheng You , Weidong Mei , Rui Zhang

Cognitive radio (CR) is an effective solution to improve the spectral efficiency (SE) of wireless communications by allowing the secondary users (SUs) to share spectrum with primary users. Meanwhile, intelligent reflecting surface (IRS),…

Signal Processing · Electrical Eng. & Systems 2019-12-24 Jie Yuan , Ying-Chang Liang , Jingon Joung , Gang Feng , Erik G. Larsson

Intelligent reflecting surface (IRS) is a new and promising paradigm to substantially improve the spectral and energy efficiency of wireless networks, by constructing favorable communication channels via tuning massive low-cost passive…

Information Theory · Computer Science 2021-05-18 Jiangbin Lyu , Rui Zhang

An intelligent reflecting surface (IRS) can adaptively adjust the phase shifts of its reflecting units to strengthen the desired signal and/or suppress the undesired signal. In this letter, we investigate an IRS-aided secure wireless…

Information Theory · Computer Science 2019-05-28 Miao Cui , Guangchi Zhang , Rui Zhang

Intelligent reflecting surfaces (IRS) can improve the physical layer security (PLS) by providing a controllable wireless environment. In this paper, we propose a novel PLS technique with the help of IRS implemented by an intelligent mirror…

Information Theory · Computer Science 2021-02-01 Lei Qian , Xuefen Chi , Linlin Zhao , Anas Chaaban

Vehicular communication is an important application of the fifth generation of mobile communication systems (5G). Due to its low cost and energy efficiency, intelligent reflecting surface (IRS) has been envisioned as a promising technique…

Signal Processing · Electrical Eng. & Systems 2020-04-21 Jue Wang , Wence Zhang , Xu Bao , Tiecheng Song , Cunhua Pan

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…

Signal Processing · Electrical Eng. & Systems 2021-01-06 Wenhao Cai , Rang Liu , Yang Liu , Ming Li , Qian Liu

Intelligent reflecting surfaces (IRSs) are gaining attention as a low-cost solution to the coverage reduction in high-frequency bands used in next-generation communications. IRSs achieve low costs by controlling only the reflection of radio…

Networking and Internet Architecture · Computer Science 2025-04-03 Ryuhei Hibi , Hiroaki Hashida , Yuichi Kawamoto , Nei Kato

Compared with traditional half-duplex wireless systems, the application of emerging full-duplex (FD) technology can potentially double the system capacity theoretically. However, conventional techniques for suppressing self-interference…

Information Theory · Computer Science 2023-06-27 Chi Qiu , Meng Hua , Qingqing Wu , Wen Chen , Shaodan Ma , Fen Hou , Derrick Wing Kwan Ng , A. Lee Swindlehurst

Intelligent reflecting surfaces (IRSs) with the ability to reconfigure inherent electromagnetic reflection and absorption characteristics in real-time provide unparalleled prospects to improve wireless connectivity in adverse circumstances.…

Signal Processing · Electrical Eng. & Systems 2022-05-18 Mobasshir Mahbub , Raed M. Shubair

Intelligent reflecting surface (IRS) and unmanned aerial vehicle (UAV) have emerged as two promising technologies to boost the performance of wireless communication networks, by proactively altering the wireless communication channels via…

Information Theory · Computer Science 2021-03-30 Changsheng You , Zhenyu Kang , Yong Zeng , Rui Zhang

Intelligent reflecting surface (IRS) has emerged as a promising technique to enhance wireless communication performance cost effectively. The existing literature has mainly considered IRS being deployed near user terminals to improve their…

Information Theory · Computer Science 2022-05-27 Yuwei Huang , Weidong Mei , Rui Zhang

In this paper, we investigate an intelligent reflecting surface (IRS) assisted cell-free multiple input multiple output (MIMO) communication system, where distributed multiple IRSs are dedicated deployed to assist distributed multiple base…

Information Theory · Computer Science 2021-08-18 Xie Xie , Chen He , Xiaoya Li , Kun Yang , Z. Jane Wang

Intelligent reflecting surfaces (IRSs) have recently received significant attention for 6G wireless communications as they enable the control of the wireless propagation environment. The use of IRS also provides reducing the hardware…

Signal Processing · Electrical Eng. & Systems 2025-10-06 Ahmet M. Elbir , Kumar Vijay Mishra

This paper presents an overview on intelligent reflecting surface (IRS)-enabled sensing and communication for the forthcoming sixth-generation (6G) wireless networks, in which IRSs are strategically deployed to proactively reconfigure…

Signal Processing · Electrical Eng. & Systems 2024-11-12 Xianxin Song , Yuan Fang , Feng Wang , Zixiang Ren , Xianghao Yu , Ye Zhang , Fan Liu , Jie Xu , Derrick Wing Kwan Ng , Rui Zhang , Shuguang Cui

Intelligent reflecting surface (IRS) is a new and revolutionary technology capable of reconfiguring the wireless propagation environment by controlling its massive low-cost passive reflecting elements. Different from prior works that focus…

Information Theory · Computer Science 2021-11-05 Bifeng Ling , Jiangbin Lyu , Liqun Fu

Intelligent reflective surfaces (IRSs) are invoked for improving both spectral efficiency (SE) and energy efficiency (EE). Specifically, an IRS-aided multiple-input multiple-output network is considered, where the performance of randomly…

Information Theory · Computer Science 2021-02-25 Tianwei Hou , Yuanwei Liu , Zhengyu Song , Xin Sun , Yue Chen , Lajos Hanzo

Intelligent reflecting surfaces (IRSs) have several prominent advantages, including improving the level of wireless communication security and privacy. In this work, we focus on the latter aspect and introduce a strategy to counteract the…

Networking and Internet Architecture · Computer Science 2024-02-23 Francesco Malandrino , Alessandro Nordio , Carla Fabiana Chiasserini