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The rapid development of sixth-generation (6G) wireless networks requires seamless integration of communication and sensing to support ubiquitous intelligence and real-time, high-reliability applications. Integrated sensing and…

信号处理 · 电气工程与系统科学 2025-11-17 Qingqing Wu , Qiaoyan Peng , Ziheng Zhang , Xiaodan Shao , Yang Liu , Yifan Jiang , Yapeng Zhao , Yanze Zhu , Yilong Chen , Zixiang Ren , Jie Xu , Wen Chen , Rui Zhang

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…

信息论 · 计算机科学 2021-05-18 Jiangbin Lyu , Rui Zhang

In a practical massive MIMO (multiple-input multiple-output) system, the number of antennas at a base station (BS) is constrained by the space and cost factors, which limits the throughput gain promised by theoretical analysis. This paper…

信息论 · 计算机科学 2020-05-06 Zhaorui Wang , Liang Liu , Shuguang Cui

Intelligent reflecting surfaces (IRSs) are a promising low-cost solution for achieving high spectral and energy efficiency in future communication systems by enabling the customization of wireless propagation environments. Despite the…

信息论 · 计算机科学 2024-04-30 Yifei Wu , Dongfang Xu , Derrick Wing Kwan Ng , Robert Schober , Wolfgang Gerstacker

Intelligent reflecting surface (IRS) has emerged as a revolutionizing solution to enhance wireless communications by intelligently changing the propagation environment. Prior studies on IRS are based on an ideal reflection model with a…

信号处理 · 电气工程与系统科学 2020-06-03 Wenhao Cai , Hongyu Li , Ming Li , Qian Liu

In this paper, we study an intelligent reflecting surface (IRS)-aided communication system with single-antenna transmitter and receiver, under imperfect channel state information (CSI). More specifically, we deal with the robust selection…

信号处理 · 电气工程与系统科学 2024-06-12 Christos N. Efrem , Ioannis Krikidis

Vehicular communication is an important application of the fifth generation of mobile communication systems (5G). Due to its low cost and energy efficiency, intelligent reflecting surface (IRS) has been envisioned as a promising technique…

信号处理 · 电气工程与系统科学 2020-04-21 Jue Wang , Wence Zhang , Xu Bao , Tiecheng Song , Cunhua Pan

This paper studies the active intelligent reflecting surface (IRS)-enabled integrated sensing and communications (ISAC), in which an active IRS is deployed to assist the base station (BS) in serving multiple communication users (CUs) and…

信息论 · 计算机科学 2025-08-04 Yuan Fang , Xianxin Song , Huazhou Hou , Ziguo Zhong , Xianghao Yu , Jie Xu , Yongming Huang

When applying integrated sensing and communications (ISAC) in future mobile networks, many sensing tasks have low latency requirements, preferably being implemented at terminals. However, terminals often have limited computing capabilities…

信号处理 · 电气工程与系统科学 2024-08-29 Peng Liu , Zesong Fei , Xinyi Wang , Jingxuan Huang , Jie Hu , J. Andrew Zhang

This paper investigates an intelligent reflecting surface (IRS) enabled multiuser integrated sensing and communications (ISAC) system, which consists of one multi-antenna base station (BS), one IRS, multiple single-antenna communication…

信号处理 · 电气工程与系统科学 2023-07-03 Xianxin Song , Xiaoqi Qin , Jie Xu , Rui Zhang

This paper investigates an intelligent reflecting surface (IRS) enabled multiuser integrated sensing and communication (ISAC) system, which consists of one multi-antenna base station (BS), one IRS, multiple single-antenna communication…

信号处理 · 电气工程与系统科学 2022-11-01 Xianxin Song , Tony Xiao Han , Jie Xu

This paper proposes an energy efficient resource allocation design algorithm for an intelligent reflecting surface (IRS)-assisted downlink ultra-reliable low-latency communication (URLLC) network. This setup features a multi-antenna base…

信号处理 · 电气工程与系统科学 2023-09-27 Jalal Jalali , Filip Lemic , Hina Tabassum , Rafael Berkvens , Jeroen Famaey

This paper investigates an intelligent reflecting surface (IRS)-aided multi-cell multiple-input single-output (MISO) system with several multi-antenna base stations (BSs) each communicating with a single-antenna user, in which an IRS is…

信号处理 · 电气工程与系统科学 2020-10-26 Hailiang Xie , Jie Xu , Ya-Feng Liu

In this paper, we explore optimization-based and data-driven solutions in a reconfigurable intelligent surface (RIS)-aided multi-user mobile edge computing (MEC) system, where the user equipment (UEs) can partially offload their computation…

信号处理 · 电气工程与系统科学 2021-02-16 Xiaoyan Hu , Christos Masouros , Kai-Kit Wong

Intelligent reflecting surface (IRS) is a promising technology to boost the efficiency of wireless energy transfer (WET) systems. However, for a multiuser WET system, simultaneous multi-beam energy transmission is generally required to…

信息论 · 计算机科学 2022-05-19 Chi Qiu , Qingqing Wu , Meng Hua , Xinrong guan , Yuan Wu

This paper investigates the use of intelligent reflecting surfaces (IRS) to assist cellular communications and radar sensing operations in a communications and sensing setup. The IRS dynamically allocates reflecting elements to…

信号处理 · 电气工程与系统科学 2025-10-24 Daniyal Munir , Atta Ullah , Danish Mehmood Mughal , Min Young Chung , Hans D. Schotten

Intelligent reflecting surface (IRS) is regarded as a revolutionary paradigm that can reconfigure the wireless propagation environment for enhancing the desired signal and/or weakening the interference, and thus improving the quality of…

信息论 · 计算机科学 2023-12-19 Xintong Chen , Jiangbin Lyu , Liqun Fu

By allowing a mobile device to offload computation-intensive tasks to a base station, mobile edge computing (MEC) is a promising solution for saving the mobile device's energy. In real applications, the offloading may span multiple fading…

信息论 · 计算机科学 2019-04-25 Rongfei Fan , Fudong Li , Song Jin , Gongpu Wang , Hai Jiang , Shaohua Wu

Intelligent reflecting surface (IRS) has shown its effectiveness in facilitating orthogonal time-division integrated sensing and communications (TD-ISAC), in which the sensing task and the communication task occupy orthogonal time-frequency…

信息论 · 计算机科学 2022-08-11 Zhouyuan Yu , Xiaoling Hu , Chenxi Liu , Mugen Peng , Caijun Zhong

Intelligent reflecting surface (IRS) has been widely recognized as an efficient technique to reconfigure the electromagnetic environment in favor of wireless communication performance. In this paper, we propose a new application of IRS for…

信号处理 · 电气工程与系统科学 2023-01-24 Peilan Wang , Weidong Mei , Jun Fang , Rui Zhang