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Related papers: Intelligent Reflecting Surface Aided Multi-User Co…

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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

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

Intelligent reflecting surfaces (IRSs) are envisioned as a low-cost solution to achieve high spectral and energy efficiency in future communication systems due to their ability to customize wireless propagation environments. Although…

Information Theory · Computer Science 2023-02-27 Yifei Wu , Dongfang Xu , Derrick Wing Kwan Ng , Robert Schober , Wolfgang Gerstacker

In this paper, we investigate the design of robust and secure transmission in intelligent reflecting surface (IRS) aided wireless communication systems. In particular, a multi-antenna access point (AP) communicates with a single-antenna…

Signal Processing · Electrical Eng. & Systems 2020-12-04 Sheng Hong , Cunhua Pan , Hong Ren , Kezhi Wang , Kok Keong Chai , Arumugam Nallanathan

In this letter, we consider a double-active-intelligent reflecting surface (IRS) aided wireless communication system, where two active IRSs are properly deployed to assist the communication from a base station (BS) to multiple users located…

Information Theory · Computer Science 2023-07-25 Zhenyu Kang , Changsheng You , Rui Zhang

Intelligent reflecting surface (IRS), which consists of a large number of tunable reflective elements, is capable of enhancing the wireless propagation environment in a cellular network by intelligently reflecting the electromagnetic waves…

Signal Processing · Electrical Eng. & Systems 2021-06-10 Tao Jiang , Hei Victor Cheng , Wei Yu

Intelligent reflecting surface (IRS) can effectively enhance the energy and spectral efficiency of wireless communication system through the use of a large number of lowcost passive reflecting elements. In this paper, we investigate…

Networking and Internet Architecture · Computer Science 2020-07-21 Yuan Zheng , Suzhi Bi , Ying-Jun Angela Zhang , Hui Wang

Intelligent reflecting surface (IRS) is a promising technology for enhancing wireless communication systems. It adaptively configures massive passive reflecting elements to control wireless channel in a desirable way. Due to hardware…

Systems and Control · Electrical Eng. & Systems 2021-11-04 Rui Sun , Weidong Wang , Li Chen , Guo Wei , Wenyi Zhang

Intelligent Reflecting Surfaces (IRS) are anticipated to serve as a key cornerstone of future wireless networks, providing an unmatched capability to deterministically shape electromagnetic wave propagation. Despite this potential, most…

Networking and Internet Architecture · Computer Science 2025-12-02 Fatih E. Bilgen , A. Sila Okcu , O. Tansel Baydas , Ozgur B. Akan

This paper investigates intelligent reflecting surface (IRS)-aided multicell wireless networks, where an IRS is deployed to assist the joint processing coordinated multipoint (JP-CoMP) transmission from multiple base stations (BSs) to…

Information Theory · Computer Science 2020-12-01 Meng Hua , Qingqing Wu , Derrick Wing Kwan Ng , Jun Zhao , Luxi Yang

We consider computation offloading for edge computing in a wireless network equipped with intelligent reflecting surfaces (IRSs). IRS is an emerging technology and has recently received great attention since they can improve the wireless…

Signal Processing · Electrical Eng. & Systems 2020-01-29 Yang Liu , Jun Zhao , Zehui Xiong , Dusit Niyato , Chau Yuen , Cunhua Pan , Binbin Huang

In this paper, we investigate an intelligent reflecting surface (IRS) aided wireless communication system, where active IRSs (AIRSs) are deployed to assist communication between a base station (BS) and users of both the uplink (UL) and…

Signal Processing · Electrical Eng. & Systems 2025-10-14 Qiaoyan Peng , Qingqing Wu , Guangji Chen , Wen Chen , Shaodan Ma

Intelligent reflecting surface (IRS) is envisioned to change the paradigm of wireless communications from "adapting to wireless channels" to "changing wireless channels". However, current IRS configuration schemes, consisting of sub-channel…

Signal Processing · Electrical Eng. & Systems 2022-05-12 Wei Wang , Wei Zhang

Recently, as explosive growth of mobile data traffic, the performance of wireless communication systems requires to be enhanced significantly in future. Intelligent reflecting surface (IRS) can be used as a promising way to improve the…

Information Theory · Computer Science 2020-04-22 Yiming Liu , Erwu Liu , Rui Wang

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…

Information Theory · Computer Science 2022-05-03 Wei Jiang , Hans Dieter Schotten

In this paper, the adoption of an intelligent reflecting surface (IRS) for multiple single-antenna source terminal (ST)-DT pairs in two-hop networks is investigated. Different from the previous studies on IRS that merely focused on tuning…

Information Theory · Computer Science 2020-10-01 Yulan Gao , Chao Yong , Zehui Xiong , Jun Zhao , Yue Xiao , Dusit Niyato

This paper studies a multiple intelligent reflecting surfaces (IRSs) collaborative localization system where multiple semi-passive IRSs are deployed in the network to locate one or more targets based on time-of-arrival. It is assumed that…

Information Theory · Computer Science 2024-06-18 Ziheng Zhang , Wen Chen , Qingqing Wu , Zhendong Li , Xusheng Zhu , Jingfeng Chen , Nan Cheng

This paper considers an intelligent reflecting surface (IRS)-assisted bi-static localization architecture for the sixth-generation (6G) integrated sensing and communication (ISAC) network. The system consists of a transmit user, a receive…

Signal Processing · Electrical Eng. & Systems 2025-02-05 Weifeng Zhu , Qipeng Wang , Shuowen Zhang , Boya Di , Liang Liu , Yonina C. Eldar

In cell-free multiple input multiple output (MIMO) networks, multiple base stations (BSs) collaborate to achieve high spectral efficiency. Nevertheless, high penetration loss due to large blockages in harsh propagation environments is often…

Information Theory · Computer Science 2023-03-16 Chen Chen , Sai Xu , Jiliang Zhang , Jie Zhang

The operation of an intelligent reflecting surface (IRS) under predictable receiver mobility is investigated. We develop a continuous time system model for multipath channels and discuss the optimal IRS configuration with respect to…

Information Theory · Computer Science 2020-09-18 Bho Matthiesen , Emil Björnson , Elisabeth De Carvalho , Petar Popovski
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