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Intelligent Reflecting Surface (IRS) has been a promising solution to enhance wireless networks both spectral-efficiently and energy-efficiently. This paper considers an IRS-assisted the Internet of Things network for massive connectivity.…

Signal Processing · Electrical Eng. & Systems 2019-11-28 Shuhao Xia , Yuanming Shi

The Internet of Things (IoT) is going to be a few of the most influential and critical role spectators in the post-5G and 6G wireless networking paradigm because IoT is being deployed in a variety of applications and services such as smart…

Signal Processing · Electrical Eng. & Systems 2023-05-08 Mobasshir Mahbub , Raed M. Shubair

Emerged as a promising solution for future wireless communication systems, intelligent reflecting surface (IRS) is capable of reconfiguring the wireless propagation environment by adjusting the phase-shift of a large number of reflecting…

Networking and Internet Architecture · Computer Science 2023-02-06 Hongguang Sun , Zelun Zhao , Hu Cheng , Jiangbin Lyu , Xijun Wang , Yan Zhang , Tony Q. S. Quek

In this paper, channel estimation of an active intelligent reflecting surface (IRS) aided uplink Internet of Things (IoT) network is investigated. Firstly, the least square (LS) estimators for the direct channel and the cascaded channel are…

Signal Processing · Electrical Eng. & Systems 2024-07-16 Yan Wang , Feng Shu , Rongen Dong , Wei Gao , Qi Zhang , Jiajia Liu

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 an emerging technology that is able to significantly improve the performance of wireless communications, by smartly tuning signal reflections at a large number of passive reflecting elements. On the…

Signal Processing · Electrical Eng. & Systems 2023-02-14 Xiaodan Shao , Changsheng You , 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

This paper investigates a novel computation and communication co-design framework for large-scale split learning in intelligent reflecting surface (IRS)-assisted internet of things (IoT) networks integrated with digital twin (DT) technique.…

Signal Processing · Electrical Eng. & Systems 2025-10-31 Jiaying Di , Kunlun Wang , Jing Xu , Wen Chen , Dusit Niyato

Intelligent Reflecting Surface (IRS) is a promising technology for next generation wireless networks. Despite substantial research in IRS-aided communications, the assumed antenna and channel models are typically simplified without…

Information Theory · Computer Science 2024-05-07 Dongsheng Fu , Xintong Chen , Jiangbin Lyu , Liqun Fu

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

Intelligent reflecting surfaces (IRSs) tune wireless environments to increase spectrum and energy efficiencies. In view of much recent attention to the IRS concept as a promising technology for 6G wireless communications, we present a…

Signal Processing · Electrical Eng. & Systems 2019-11-05 Jun Zhao

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

In this paper, the secure performance of multiuser multiple-input single-output wireless communications systems assisted by a multifunctional active intelligent reflection surface (IRS) is investigated. The active IRS can simultaneously…

Signal Processing · Electrical Eng. & Systems 2022-05-06 Shaokang Hu , Derrick Wing Kwan Ng , Jinhong Yuan

Power splitting based simultaneous wireless information and power transfer (PS-SWIPT) appears to be a promising solution to support future self-sustainable Internet of Things (SS-IoT) networks. However, the performance of these networks is…

Signal Processing · Electrical Eng. & Systems 2024-01-12 Haleema Sadia , Ahmad Kamal Hassan , Ziaul Haq Abbas , Ghulam Abbas , Thar Baker

The ever-increasing data traffic, various delay-sensitive services, and the massive deployment of energy-limited Internet of Things (IoT) devices have brought huge challenges to the current communication networks, motivating academia and…

Signal Processing · Electrical Eng. & Systems 2021-01-01 Qianqian Pan , Jun Wu , Xi Zheng , Jianhua Li , Shenghong Li , Athanasios V. Vasilakos

Smart homes, enterprises, and cities are increasingly being equipped with a plethora of Internet of Things (IoT), ranging from smart-lights to security cameras. While IoT networks have the potential to benefit our lives, they create privacy…

Networking and Internet Architecture · Computer Science 2020-01-30 Arunan Sivanathan

Intelligent reflecting surfaces (IRSs) have received much attention recently and are envisioned to promote 6G communication networks. In this paper, for wireless communications aided by IRS units, we formulate optimization problems for…

Information Theory · Computer Science 2019-11-05 Jun Zhao

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 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

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
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