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Related papers: Intelligent Reflecting Surface for Downlink Non-Or…

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Non-orthogonal multiple access (NOMA) is a promising technology for next-generation wireless communication systems due to its enhanced spectral efficiency. In this paper, we consider an uplink NOMA system operating together with a…

Information Theory · Computer Science 2025-09-18 Azadeh Tabeshnezhad , Yuqing Zhu , Artem Vilenskiy , Van Ly Nguyen , A. Lee Swindlehurst , Tommy Svensson

This paper studies the fair transmission design for an intelligent reflecting surface (IRS) aided rate-splitting multiple access (RSMA). IRS is used to establish a good signal propagation environment and enhance the RSMA transmission…

Information Theory · Computer Science 2024-03-18 Shanshan Zhang , Wen Chen , Qingqing Wu , Ziwei Liu , Shunqing Zhang , Jun Li

The concept of reconfiguring wireless propagation environments using intelligent reflecting surfaces (IRS)s has recently emerged, where an IRS comprises of a large number of passive reflecting elements that can smartly reflect the impinging…

Information Theory · Computer Science 2020-05-05 Qurrat-Ul-Ain Nadeem , Hibatallah Alwazani , Abla Kammoun , Anas Chaaban , Merouane Debbah , Mohamed-Slim Alouini

This paper investigates the resource allocation algorithm design for intelligent reflecting surface (IRS) aided multiple-input single-output (MISO) orthogonal frequency division multiple access (OFDMA) multicell networks, where a set of…

Information Theory · Computer Science 2020-10-16 Walid R. Ghanem , Vahid Jamali , Robert Schober

In intelligent reflecting surface (IRS) aided wireless communication systems, channel state information (CSI) is crucial to achieve its promising passive beamforming gains. However, CSI errors are inevitable in practice and generally…

Information Theory · Computer Science 2022-10-17 Ming-Min Zhao , An Liu , Rui Zhang

Aiming at the limited battery capacity of widely deployed low-power smart devices in the Internet-of-things (IoT), this paper proposes a novel intelligent reflecting surface (IRS) empowered unmanned aerial vehicle (UAV) simultaneous…

Signal Processing · Electrical Eng. & Systems 2022-10-28 Zhendong Li , Wen Chen , Huanqing Cao , Hongying Tang , Kunlun Wang , Jun Li

Intelligent reflecting surface (IRS) has been considered as an efficient way to boost the computation capability of mobile edge computing (MEC) system, especially when the communication links is blocked or the communication signal is weak.…

Information Theory · Computer Science 2024-07-16 N. Li , W. Hao , X. Li , Z. Zhu , Z. Tang , S. Yang

The idea of Integrated Sensing and Communication (ISAC) offers a promising solution to the problem of spectrum congestion in future wireless networks. This paper studies the integration of intelligent reflective surfaces (IRS) with ISAC…

Signal Processing · Electrical Eng. & Systems 2023-09-06 Mahmoud AlaaEldin , Emad Alsusa , Karim G. Seddik , Christos Masouros , Iman Valiulahi

Intelligent reflecting surface (IRS) is envisioned to play a significant role in future wireless communication systems thanks to its powerful capability of enabling smart and reconfigurable radio environment. In this paper, we study the…

Information Theory · Computer Science 2021-02-23 Weidong Mei , Rui Zhang

Intelligent reflecting surface (IRS) is a rapidly emerging paradigm to enable non-line-of-sight (NLoS) wireless transmission. In this paper, we focus on IRS-aided radar estimation performance of a moving hidden or NLoS target. Unlike prior…

Signal Processing · Electrical Eng. & Systems 2022-12-14 Zahra Esmaeilbeig , Kumar Vijay Mishra , Arian Eamaz , Mojtaba Soltanalian

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

An intelligent reflecting surface (IRS) can greatly improve the channel quality over a frequency-flat channel, if it is configured to reflect the incident signal as a beam towards the receiver. However, the fundamental limitations of the…

Information Theory · Computer Science 2021-09-16 Emil Björnson

Intelligent reflecting surface (IRS) is a promising new technology for achieving both spectrum and energy efficient wireless communication systems in the future. However, existing works on IRS mainly consider frequency-flat channels and…

Information Theory · Computer Science 2019-11-25 Yifei Yang , Beixiong Zheng , Shuowen Zhang , Rui Zhang

Intelligent reflecting surface (IRS), which is capable to adjust propagation conditions by controlling phase shifts of the reflected waves that impinge on the surface, has been widely analyzed for enhancing the performance of wireless…

Systems and Control · Electrical Eng. & Systems 2021-06-29 Shuhang Zhang , Hongliang Zhang , Boya Di , Yunhua Tan , Marco Di Renzo , Zhu Han , H. Vincent Poor , Lingyang Song

An active reconfigurable intelligent surface (RIS)-aided multi-user downlink communication system is investigated, where non-orthogonal multiple access (NOMA) is employed to improve spectral efficiency, and the active RIS is powered by…

Signal Processing · Electrical Eng. & Systems 2023-04-25 Zhaoyuan Shi , Huabing Lu , Xianzhong Xie , Helin Yang , Chongwen Huang , Jun Cai , Zhiguo Ding

In this letter, we investigate an intelligent reflecting surface (IRS) aided device-to-device (D2D) offloading system, where an IRS is employed to assist in computation offloading from a group of users with intensive tasks to another group…

Signal Processing · Electrical Eng. & Systems 2021-01-13 Yanzhen Liu , Qiyu Hu , Yunlong Cai , Markku Juntti

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

This paper presents a literature review on recent applications and design aspects of the intelligent reflecting surface (IRS) in the future wireless networks. Conventionally, the network optimization has been limited to transmission control…

Information Theory · Computer Science 2020-07-28 Shimin Gong , Xiao Lu , Dinh Thai Hoang , Dusit Niyato , Lei Shu , Dong In Kim , Ying-Chang Liang

Reconfigurable intelligent surface (RIS) provides a promising way to build the programmable wireless transmission environments in the future. Owing to the large number of reflecting elements used at the RIS, joint optimization for the…

Information Theory · Computer Science 2021-01-11 Xiaoyan Ma , Shuaishuai Guo , Haixia Zhang , Yuguang Fang , Dongfeng Yuan

In this letter, we analyze the performance of the intelligent reflecting surface (IRS) assisted downlink non-orthogonal multiple access (NOMA) systems in the presence of imperfect phase compensation. We derive an upper bound on the…

Information Theory · Computer Science 2021-06-16 Pavan Reddy M. , Abhinav Kumar