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As a kind of wavefront with helical phase, orbital angular momentum (OAM) shows the great potential to enhance the security results of wireless communications due to its unique orthogonality and central hollow electromagnetic wave…

Signal Processing · Electrical Eng. & Systems 2024-07-17 Minmin Wang , Liping Liang , Wenchi Cheng , Wei Zhang , Ruirui Chen , Hailin Zhang

The reconfigurable intelligent surfaces detection and identification (RISs-ID) is a critical process that enables a base station (BS) to adaptively assign the appropriate RIS to a given user equipment (UE). This work proposes a novel…

Signal Processing · Electrical Eng. & Systems 2026-05-19 Aymen Khaleel , Adam Umra , Aydin Sezgin

This paper explores the integration of communication and sensing in modern wireless systems through the configuration of BS and RIS antenna elements. By leveraging time multiplexing for both communication and sensing, the proposed system…

Systems and Control · Electrical Eng. & Systems 2025-05-07 Rafael Augusto Pedriali , Isadora Martines Ferreira , Jose Carlos Marinello , Taufik Abrao

Integrated sensing and communication (ISAC) systems are typically deployed in multipath environments, which is usually deemed as a challenging issue for wireless communications. However, the multipath propagation can also provide extra…

Signal Processing · Electrical Eng. & Systems 2024-06-04 Shoushuo Zhang , Zichao Xiao , Rang Liu , Ming Li , Wei Wang , Qian Liu

The ever-growing popularity and rapid improving of artificial intelligence (AI) have raised rethinking on the evolution of wireless networks. Mobile edge computing (MEC) provides a natural platform for AI applications since it provides rich…

Information Theory · Computer Science 2021-02-08 Shanfeng Huang , Shuai Wang , Rui Wang , Miaowen Wen , Kaibin Huang

A simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) aided integrated sensing and communication (ISAC) dual-secure communication system is studied in this paper. The sensed target and legitimate users…

Signal Processing · Electrical Eng. & Systems 2024-02-28 Zhengyu Zhu , Mengfei Gong , Gangcan Sun , Peijia Liu , De Mi

Integrated sensing and communication (ISAC) is a key feature of future cellular systems, enabling applications such as intruder detection, monitoring, and tracking using the same infrastructure. However, its potential for structural health…

Information Theory · Computer Science 2025-07-04 Jie Yang , Chao-Kai Wen , Xiao Li , Shi Jin

Reconfigurable intelligent surfaces (RISs) are an emerging technology for enhancing the performance of wireless networks at a low and affordable cost, complexity, and power consumption. We introduce an algorithm for optimizing a…

Information Theory · Computer Science 2020-12-01 Xuewen Qian , Marco Di Renzo

Hybrid reconfigurable intelligent surfaces (HRISs) constitute an emerging paradigm of metasurfaces that empowers the concept of smart wireless environments, inherently supporting simultaneously communications and sensing. Very recently,…

Signal Processing · Electrical Eng. & Systems 2025-04-30 Ioannis Gavras , George C. Alexandropoulos

The potential of Reconfigurable Intelligent Surfaces (RISs) for energy-efficient and performance-boosted wireless communications is recently gaining remarkable research attention, motivating their consideration for various $5$-th Generation…

Information Theory · Computer Science 2022-12-06 George C. Alexandropoulos , Konstantinos D. Katsanos , Miaowen Wen , Daniel B. da Costa

In this paper, we study a communication-centric integrated sensing and communication (ISAC) approach, where an access point (AP) communicates with users, while a passive radar (PR) is present in the environment. We investigate the…

Signal Processing · Electrical Eng. & Systems 2022-10-24 Ahmad Bazzi , Marwa Chafii

In addition to enhancing wireless communication coverage quality, reconfigurable intelligent surface (RIS) technique can also assist in positioning. In this work, we consider RIS-assisted superimposed pilot and data transmission without the…

Information Retrieval · Computer Science 2025-04-08 Wenchao Xia , Ben Zhao , Wankai Tang , Yongxu Zhu , Kai-Kit Wong , Sangarapillai Lambotharan , Hyundong Shin

The reconfigurable intelligent surface (RIS) is an emerging technology that changes how wireless networks are perceived, therefore its potential benefits and applications are currently under intense research and investigation. In this…

Information Theory · Computer Science 2023-05-18 Placido Mursia , Sendy Phang , Vincenzo Sciancalepore , Gabriele Gradoni , Marco Di Renzo

Integrated sensing and communication (ISAC) is recognized as a promising technology with great potential in saving hardware and spectrum resources, since it simultaneously realizes radar detection and user communication functions in the…

Signal Processing · Electrical Eng. & Systems 2023-02-22 Qi Zhu , Ming Li , Rang Liu , Qian Liu

Reconfigurable Intelligent Surface (RIS) has emerged as a promising technology to enhance the wireless propagation environment for next-generation wireless communication systems. This paper introduces a new RIS-assisted multiple-antenna…

Information Theory · Computer Science 2025-11-14 Xiaofan Niu , Minquan Cheng , Kai Wan , Robert Caiming Qiu , Giuseppe Caire

Integrated sensing and communication (ISAC), which simultaneously performs sensing and communication functions within a shared frequency band and hardware platform, has emerged as a promising technology for future wireless systems.…

Signal Processing · Electrical Eng. & Systems 2024-04-02 Qi Zhu , Ming Li , Rang Liu , Qian Liu

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

In this paper, we investigate the potential of employing reconfigurable intelligent surface (RIS) in integrated sensing and communication (ISAC) systems. In particular, we consider an RIS-assisted ISAC system in which a multi-antenna base…

Signal Processing · Electrical Eng. & Systems 2023-01-27 Rang Liu , Ming Li , A. Lee Swindlehurst

ISAC systems introduce new privacy risks because an unintended sensing node may exploit the shared radio waveform to infer transmitter-related information even when the communication payload remains secure. This paper investigates…

Signal Processing · Electrical Eng. & Systems 2026-04-20 Vaibhav Kumar , Ahmad Bazzi , Christina Pöpper , Marwa Chafii

In physical layer security, the channel state information (CSI) of passive eavesdroppers is usually difficult to obtain, which has motivated sensing-aided secure communication (SASC). However, in secure multicast scenarios, conventional…

Information Theory · Computer Science 2026-05-12 Zequan Wang , Liang Yin , Hao Xu , Yunan Sun , Yitong Liu , Hongwen Yang
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