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The classic trilateration technique can localize each target based on its distances to three anchors with known coordinates. Usually, this technique requires all the anchors and targets, e.g., the satellites and the mobile phones in Global…

信号处理 · 电气工程与系统科学 2022-05-30 Qipeng Wang , Liang Liu , Shuowen Zhang , Francis C. M. Lau

Intelligent reflecting surface (IRS) has garnered growing interest and attention due to its potential for facilitating and supporting wireless communications and sensing. This paper studies a semi-passive IRS-enabled sensing system, where…

信号处理 · 电气工程与系统科学 2024-02-06 Qiaoyan Peng , Qingqing Wu , Wen Chen , Shaodan Ma , Ming-Min Zhao , Octavia A. Dobre

Integrated sensing and communication (ISAC) is a promising technique to provide sensing services in future wireless networks. Numerous existing works have adopted a monostatic radar architecture to realize ISAC, i.e., employing the same…

信息论 · 计算机科学 2023-05-17 Dongfang Xu , Chang Liu , Shenghui Song , Derrick Wing Kwan Ng

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

Interactive reflecting surfaces (IRSs) are a remarkable technology that will be integrated into 6G wireless networks to enhance the electromagnetic propagation environment in a programmable or adaptable way in order to improve communication…

信号处理 · 电气工程与系统科学 2023-05-31 Mobasshir Mahbub , Raed M. Shubair

Intelligent reflecting surface (IRS) has emerged as a cost-effective solution to enhance wireless communication performance via passive signal reflection. Existing works on IRS have mainly focused on investigating IRS's passive…

信息论 · 计算机科学 2022-07-19 Beixiong Zheng , Rui Zhang

Driven by the intelligent applications of sixth-generation (6G) mobile communication systems such as smart city and autonomous driving, which connect the physical and cyber space, the integrated sensing and communication (ISAC) brings a…

网络与互联网体系结构 · 计算机科学 2023-11-27 Zhiqing Wei , Wangjun Jiang , Zhiyong Feng , Huici Wu , Ning Zhang , Kaifeng Han , Ruizhong Xu , Ping Zhang

This paper investigates user equipment (UE) assisted device-free networked sensing in the sixth-generation (6G) integrated sensing and communication (ISAC) system, where one base station (BS) and multiple UEs, such as unmanned aerial…

信号处理 · 电气工程与系统科学 2025-02-06 Xianzhen Guo , Qin Shi , Shuowen Zhang , Chengwen Xing , Liang Liu

This paper studies a multi-intelligent-reflecting-surface-(IRS)-enabled integrated sensing and communications (ISAC) system, in which multiple IRSs are installed to help the base station (BS) provide ISAC services at separate line-of-sight…

信息论 · 计算机科学 2023-12-19 Yuan Fang , Siyao Zhang , Xinmin Li , Xianghao Yu , Jie Xu , Shuguang Cui

Prospective mobile networks will be heterogeneous multi-tier networks, with different classes of base stations (BS) installed dependent on user demand. Multi-tier networks enable operators to enhance system capacity and coverage through…

信号处理 · 电气工程与系统科学 2022-08-30 Mobasshir Mahbub , Raed M. Shubair

As the superior improvement on wireless network coverage, spectrum efficiency and energy efficiency, Intelligent reflecting surface (IRS) has received more and more attention. In this work, we consider a large-scale IRS-assisted…

网络与互联网体系结构 · 计算机科学 2023-12-27 Hu Cheng , Hongguang Sun , Linyi Zhang , Jiahui Li , Xijun Wangg , Tony Q. S. Quek

This paper proposes a novel relay-aided intelligent reconfigurable surface (IRS) architecture for future wireless communication systems. The proposed architecture, which consists of two side-by-side intelligent surfaces connected via a…

信息论 · 计算机科学 2020-06-12 Xiaoyan Ying , Umut Demirhan , Ahmed Alkhateeb

High-speed communication and accurate sensing are of vital importance for future transportation system. Integrated sensing and communication (ISAC) system has the advantages of high spectrum efficiency and low hardware cost, satisfying the…

信号处理 · 电气工程与系统科学 2022-11-21 Zhiqing Wei , Xinyi Yang , Chunwei Meng , Xiaoyu Yang , Kaifeng Han , Chen Qiu , Huici Wu

This paper studies a multiple intelligent reflecting surfaces (IRSs) collaborative localization system where multiple semi-passive IRSs are deployed in the network to locate one or more targets based on time-of-arrival. It is assumed that…

信息论 · 计算机科学 2024-06-18 Ziheng Zhang , Wen Chen , Qingqing Wu , Zhendong Li , Xusheng Zhu , Jingfeng Chen , Nan Cheng

Integrated Sensing and Communication (ISAC) is considered one of the crucial technologies in the upcoming sixth-generation (6G) mobile communication systems that could facilitate ultra-precise positioning of passive and active targets and…

信号处理 · 电气工程与系统科学 2024-02-19 Maximiliano Rivera Figueroa , Pradyumna Kumar Bishoyi , Marina Petrova

The intelligent reflecting surface (IRS) alters the behavior of wireless media and, consequently, has potential to improve the performance and reliability of wireless systems such as communications and radar remote sensing. Recently,…

信号处理 · 电气工程与系统科学 2023-04-13 Ahmet M. Elbir , Kumar Vijay Mishra , M. R. Bhavani Shankar , Symeon Chatzinotas

In this paper, we propose to utilize intelligent reflecting surfaces (IRSs) for enhancing the physical layer security of wireless communications systems. In particular, an IRS-assisted secure wireless system is considered, where a…

信息论 · 计算机科学 2020-02-26 Xianghao Yu , Dongfang Xu , Robert Schober

Integrated sensing and communication (ISAC) is a promising candidate technology for 6G due to its improvement in spectral efficiency and energy efficiency. Orthogonal frequency division multiplexing (OFDM) signal is a mainstream candidate…

信号处理 · 电气工程与系统科学 2025-08-19 Lin Wang , Zhiqing Wei , Xu Chen , Zhiyong Feng

Integrated sensing and communication (ISAC) has been envisioned as a promising technique to alleviate the spectrum congestion problem. Inspired by the applications of reconfigurable intelligent surface (RIS) in dynamically manipulating…

信号处理 · 电气工程与系统科学 2023-02-23 Honghao Luo , Rang Liu , Ming Li , Qian Liu

Both passive and active intelligent reflecting surfaces (IRSs) can be deployed in complex environments to enhance wireless network coverage by creating multiple blockage-free cascaded line-of-sight (LoS) links. In this paper, we study a…

信号处理 · 电气工程与系统科学 2023-09-22 Min Fu , Weidong Mei , Rui Zhang