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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 surfaces (IRSs) have been introduced into wireless communications systems due to their great potential to smartly customize and reconfigure radio propagation environments in a cost-effective manner. Despite the…

Information Theory · Computer Science 2021-03-15 Xianghao Yu , Vahid Jamali , Dongfang Xu , Derrick Wing Kwan Ng , Robert Schober

Intelligent reflection surface (IRS) is emerging as a promising technique for future wireless communications. Considering its excellent capability in customizing the channel conditions via energy-focusing and energy-nulling, it is an ideal…

Information Theory · Computer Science 2021-08-31 Shihao Yan , Xiaobo Zhou , Derrick Wing Kwan Ng , Jinhong Yuan , Naofal Al-Dhahir

Intelligent reflecting surfaces (IRS) have emerged as a promising technology for future 6G wireless networks, offering programmable control of the wireless environment by adjusting the phase shifts of reflecting elements. However, IRS…

Signal Processing · Electrical Eng. & Systems 2025-05-08 Xianhua Yu , Dong Li

In this paper, we optimize a Wireless Powered Communication (WPC) system including multiple pair of users, where transmitters employ single-antenna to transmit their information and power to their receivers with the help of one…

Signal Processing · Electrical Eng. & Systems 2023-01-03 Omid Rezaei , Maryam Masjedi , Ali Kanaani , Mohammad Mahdi Naghsh , Saeed Gazor , Mohammad Mahdi Nayebi

Intelligent reflecting surface (IRS) is a new promising technology that is able to manipulate the wireless propagation channel via smart and controllable signal reflection. In this paper, we investigate the capacity region of a multiple…

Information Theory · Computer Science 2020-02-18 Shuowen Zhang , Rui Zhang

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

In this paper, secure wireless information and power transfer with intelligent reflecting surface (IRS) is proposed for a multiple-input single-output (MISO) system. Under the secrecy rate (SR) and the reflecting phase shifts of IRS…

Signal Processing · Electrical Eng. & Systems 2019-11-05 Weiping Shi , Xiaobo Zhou , Linqiong Jia , Yongpeng Wu , Feng Shu , Jiangzhou Wang

This paper investigates intelligent reflecting surface (IRS)-aided multi-antenna wireless powered communications in a multi-link interference channel, where multiple IRSs are deployed to enhance the downlink/uplink communications between…

Information Theory · Computer Science 2024-07-31 Ying Gao , Qingqing Wu , Wen Chen

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…

Information Theory · Computer Science 2021-06-24 Beixiong Zheng , Rui Zhang

Reconfigurable Intelligent Surface (RIS) has becoming a useful tool in future wireless communication systems for close-distance communication network. This paper we use Reconfigurable Intelligent Surface (RIS) for downlink multi-user…

Information Theory · Computer Science 2021-02-02 RuiTianYi Lu

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

This paper considers intelligent reflecting surface (IRS)-aided simultaneous wireless information and power transfer (SWIPT) in a multi-user multiple-input single-output (MISO) interference channel (IFC), where multiple transmitters (Txs)…

Information Theory · Computer Science 2024-01-31 Ying Gao , Qingqing Wu , Wen Chen , Celimuge Wu , Derrick Wing Kwan Ng , Naofal Al-Dhahir

Wireless-powered communications (WPCs) are increasingly crucial for extending the lifespan of low-power Internet of Things (IoT) devices. Furthermore, reconfigurable intelligent surfaces (RISs) can create favorable electromagnetic…

Networking and Internet Architecture · Computer Science 2024-09-17 Waqas Khalid , A. -A. A. Boulogeorgos , Trinh Van Chien , Junse Lee , Howon Lee , Heejung Yu

Intelligent reflecting surface (IRS) is a promising technology being considered for future wireless communications due to its ability to control signal propagation. This paper considers the joint active and passive beamforming problem for…

Signal Processing · Electrical Eng. & Systems 2022-02-09 Fangzhou Wang , Hongbin Li , Jun Fang

A statistical characterization of the fundamental performance bounds of an intelligent reflective surface (IRS) intended for aiding wireless communications is presented. To this end, the outage probability, average symbol error probability,…

Signal Processing · Electrical Eng. & Systems 2020-02-14 Dhanushka Kudathanthirige , Dulaj Gunasinghe , Gayan Amarasuriya

Intelligent reflecting surfaces (IRS) have become the subject of many current research efforts, as the ongoing wireless spectrum crunch has made the need to open higher frequency bands a priority. IRS are one of the alternatives proposed to…

Information Theory · Computer Science 2025-12-01 Alessandro Nordio , Alberto Tarable , Francisco J. Escribano

A simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted simultaneous wireless information and power transfer (SWIPT) system is investigated. Both active and passive STAR-RISs are considered.…

Information Theory · Computer Science 2024-12-24 Guangyu Zhu , Xidong Mu , Li Guo , Ao Huang , Shibiao Xu

This paper investigates a multi-intelligent reflecting surface (IRS) aided integrated sensing and communication (ISAC) system, where multiple IRSs are strategically deployed not only to assist the communication from a multi-antenna base…

Information Theory · Computer Science 2025-06-30 Guangji Chen , Qingqing Wu , Shihang Lu , Meng Hua , Wen Chen

Millimeter wave (MmWave) communications is capable of supporting multi-gigabit wireless access thanks to its abundant spectrum resource. However, the severe path loss and high directivity make it vulnerable to blockage events, which can be…

Signal Processing · Electrical Eng. & Systems 2020-10-20 Peilan Wang , Jun Fang , Xiaojun Yuan , Zhi Chen , Huiping Duan , Hongbin Li
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