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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

As a recently proposed idea for future wireless systems, intelligent reflecting surface (IRS) can assist communications between entities which do not have high-quality direct channels in between. Specifically, an IRS comprises many low-cost…

Information Theory · Computer Science 2020-01-29 Huimei Han , Jun Zhao , Dusit Niyato , Marco Di Renzo , Quoc-Viet Pham

This paper considers an active intelligent reflecting surface (IRS)-aided wireless powered communication network (WPCN), where devices first harvest energy and then transmit information to a hybrid access point (HAP). Different from the…

Information Theory · Computer Science 2022-01-12 Piao Zeng , Deli Qiao , Qingqing Wu , Yuan Wu

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

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…

Information Theory · Computer Science 2021-06-25 Qingqing Wu , Xinrong Guan , Rui Zhang

Intelligent reflecting surface (IRS) is envisioned to have abundant applications in future wireless networks by smartly reconfiguring the signal propagation for performance enhancement. Specifically, an IRS consists of a large number of…

Information Theory · Computer Science 2018-09-13 Qingqing Wu , Rui Zhang

Intelligent reflecting surface (IRS) has been widely studied in recent years, it has emerged as a new technology which can reflect the incident signal by intelligently configuring the reflection elements, thus changing the signal…

Information Theory · Computer Science 2024-05-07 Jintao Luo , Sixing Yin

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,…

Signal Processing · Electrical Eng. & Systems 2020-02-19 Cunhua Pan , Hong Ren , Kezhi Wang , Maged Elkashlan , Arumugam Nallanathan , Jiangzhou Wang , Lajos Hanzo

Intelligent reflecting surface (IRS) is envisioned to be a new and revolutionizing technology for achieving spectrum and energy efficient wireless communication networks cost-effectively in the future. Specifically, an IRS consists of a…

Information Theory · Computer Science 2019-08-13 Qingqing Wu , Rui Zhang

Wireless sensing and wireless energy are enablers to pave the way for smart transportation and a greener future. In this paper, an intelligent reflecting surface (IRS) assisted integrated sensing and wireless power transfer (ISWPT) system…

Signal Processing · Electrical Eng. & Systems 2023-12-04 Zheng Li , Zhengyu Zhu , Zheng Chu , Yingying Guan , De Mi , Fan Liu , Lie-Liang Yang

This paper unveils the importance of intelligent reflecting surface (IRS) in a wireless powered sensor network (WPSN). Specifically, a multi-antenna power station (PS) employs energy beamforming to provide wireless charging for multiple…

Signal Processing · Electrical Eng. & Systems 2021-03-22 Zheng Chu , Zhengyu Zhu , Miao Zhang , Fuhui Zhou , Li Zhen , Xueqian Fu , and Naofal Al-Dhahir

Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal prorogation in wireless networks. By smartly tuning the signal reflection via a large number of low-cost passive reflecting elements, IRS is capable…

Information Theory · Computer Science 2020-07-08 Qingqing Wu , Shuowen Zhang , Beixiong Zheng , Changsheng You , Rui Zhang

We introduce a novel system setup where a backscatter device operates in the presence of an intelligent reflecting surface (IRS). In particular, we study the bistatic backscatter communication (BackCom) system assisted by an IRS. The phase…

Information Theory · Computer Science 2020-09-16 Xiaolun Jia , Jun Zhao , Xiangyun Zhou , Dusit Niyato

Intelligent reflecting surface (IRS) that enables the control of wireless propagation environment has recently emerged as a promising cost-effective technology for boosting the spectrum and energy efficiency in future wireless communication…

Information Theory · Computer Science 2020-02-25 Samith Abeywickrama , Rui Zhang , Qingqing Wu , Chau Yuen

In this paper, a novel intelligent reflecting surface (IRS)-assisted wireless powered communication network (WPCN) architecture is proposed for power-constrained Internet-of-Things (IoT) smart devices, where IRS is exploited to improve the…

Information Theory · Computer Science 2021-12-07 Zhendong Li , Wen Chen , Qingqing Wu , Huanqing Cao , Kunlun Wang , Jun Li

In this paper, we propose a fairness-aware rate maximization scheme for a wireless powered communications network (WPCN) assisted by an intelligent reflecting surface (IRS). The proposed scheme combines user scheduling based on time…

Information Theory · Computer Science 2021-08-26 Zoran Hadzi-Velkov , Slavche Pejoski , Nikola Zlatanov , Haris Gacanin

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

This paper proposes a novel transmission policy for an intelligent reflecting surface (IRS) assisted wireless powered sensor network (WPSN). An IRS is deployed to enhance the performance of wireless energy transfer (WET) and wireless…

Signal Processing · Electrical Eng. & Systems 2021-04-30 Zheng Chu , Pei Xiao , De Mi , Wanming Hao , Mohsen Khalily , Lie-Liang Yang

Although the fifth-generation (5G) technologies will significantly improve the spectrum and energy efficiency of today's wireless communication networks, their high complexity and hardware cost as well as increasingly more energy…

Information Theory · Computer Science 2019-09-02 Qingqing Wu , Rui Zhang

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…

Information Theory · Computer Science 2020-01-03 Qingqing Wu , Rui Zhang
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