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In this paper, we propose a novel transmissive reconfigurable intelligent surface transceiver-enhanced robust and secure integrated sensing and communication network. A time-division sensing communication mechanism is designed for the…

Information Theory · Computer Science 2025-01-15 Ziwei Liu , Wen Chen , Qingqing Wu , Zhendong Li , Xusheng Zhu , Qiong Wu , Nan Cheng

In this paper, we investigate the design of secure transmission frameworks with an intelligent reflecting surface (IRS). Our design aims to minimize the system energy consumption in cases of rank-one and full-rank access point (AP)-IRS…

Information Theory · Computer Science 2019-09-04 Biqian Feng , Yongpeng Wu , Mengfan Zheng

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…

Information Theory · Computer Science 2025-08-04 Yuan Fang , Xianxin Song , Huazhou Hou , Ziguo Zhong , Xianghao Yu , Jie Xu , Yongming Huang

In this letter, we study the secure communication problem in the unmanned aerial vehicle (UAV) enabled networks aided by an intelligent reflecting surface (IRS) from the physical-layer security perspective. Specifically, the IRS is deployed…

Information Theory · Computer Science 2020-11-10 Wen Wang , Hui Tian , Wanli Ni , Meihui Hua

In this paper, we investigate a large intelligent surface-enhanced (LIS-enhanced) system, where a LIS is deployed to assist secure transmission. Our design aims to maximize the achievable secrecy rates in different channel models, i.e.,…

Information Theory · Computer Science 2020-10-28 Biqian Feng , Yongpeng Wu , Mengfan Zheng , Xiang-Gen Xia , Yongjian Wang , Chengshan Xiao

Intelligent reflecting surface (IRS) has drawn a lot of attention recently as a promising new solution to achieve high spectral and energy efficiency for future wireless networks. By utilizing massive low-cost passive reflecting elements,…

Information Theory · Computer Science 2022-10-17 Ming-Min Zhao , Qingqing Wu , Min-Jian Zhao , Rui Zhang

Task-oriented image semantic communication is a new communication paradigm, which aims to transmit semantics for artificial intelligent (AI) tasks while ignoring the reconstruction quality of the images. However, in some applications, such…

Information Theory · Computer Science 2022-12-05 Fangfang Liu , Wanjie Tong , Yang Yang , Zhengfen Sun , Caili Guo

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

Signal Processing · Electrical Eng. & Systems 2024-03-01 Christos N. Efrem , Ioannis Krikidis

Semantic communication (SemCom) significantly improves inter-vehicle interactions in intelligent connected vehicles (ICVs) within limited wireless spectrum. However, the open nature of wireless communications introduces eavesdropping risks.…

Cryptography and Security · Computer Science 2025-02-25 Bizhu Wang , Zhiqiang Bian , Yue Chen , Xiaodong Xu , Chen Sun , Wenqi Zhang , Ping Zhang

In this paper, a semantic communication framework is proposed for textual data transmission. In the studied model, a base station (BS) extracts the semantic information from textual data, and transmits it to each user. The semantic…

Information Theory · Computer Science 2022-08-18 Yining Wang , Mingzhe Chen , Tao Luo , Walid Saad , Dusit Niyato , H. Vincent Poor , Shuguang Cui

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,…

Signal Processing · Electrical Eng. & Systems 2023-04-13 Ahmet M. Elbir , Kumar Vijay Mishra , M. R. Bhavani Shankar , Symeon Chatzinotas

Malicious jamming launched by smart jammer, which attacks legitimate transmissions has been regarded as one of the critical security challenges in wireless communications. Thus, this paper exploits intelligent reflecting surface (IRS) to…

Signal Processing · Electrical Eng. & Systems 2020-12-24 Helin Yang , Zehui Xiong , Jun Zhao , Dusit Niyato , Qingqing Wu , Massimo Tornatore , Stefano Secci

The growing integration of distributed integrated sensing and communication (ISAC) with closed-loop control in intelligent networks demands efficient information transmission under stringent bandwidth constraints. To address this challenge,…

Systems and Control · Electrical Eng. & Systems 2025-12-26 Guangjin Pan , Ayça Özçelikkale , Christian Häger , Musa Furkan Keskin , Henk Wymeersch

The ever-increasing reliance on wireless communication and sensing has led to growing concerns over the vulnerability of sensitive information to unauthorized detection and interception. Traditional anti-detection methods are often…

Signal Processing · Electrical Eng. & Systems 2024-04-23 Beixiong Zheng , Xue Xiong , Tiantian Ma , Jie Tang , Derrick Wing Kwan Ng , A. Lee Swindlehurst , Rui Zhang

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…

Signal Processing · Electrical Eng. & Systems 2022-11-21 Zhiqing Wei , Xinyi Yang , Chunwei Meng , Xiaoyu Yang , Kaifeng Han , Chen Qiu , Huici Wu

The traditional communications transmit all the source data represented by bits, regardless of the content of source and the semantic information required by the receiver. However, in some applications, the receiver only needs part of the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-04-30 Zhenzi Weng , Zhijin Qin , Geoffrey Ye Li

Integrated sensing and communication (ISAC) has attracted growing interests for sixth-generation (6G) and beyond wireless networks. The primary challenges faced by highly efficient ISAC include limited sensing and communication (S&C)…

Signal Processing · Electrical Eng. & Systems 2023-11-02 Kaitao Meng , Qingqing Wu , Christos Masouros , Wen Chen , Deshi Li

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

Intelligent reflecting surface (IRS) is envisioned to change the paradigm of wireless communications from "adapting to wireless channels" to "changing wireless channels". However, current IRS configuration schemes, consisting of sub-channel…

Signal Processing · Electrical Eng. & Systems 2022-05-12 Wei Wang , Wei Zhang

Intelligent reflecting surface (IRS) is a promising technology to improve the performance of backscatter communication systems by smartly reconfiguring the multi-reflection channel. To fully exploit the passive beamforming gain of IRS in…

Information Theory · Computer Science 2021-03-17 Samith Abeywickrama , Changsheng You , Rui Zhang , Chau Yuen