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Related papers: STAR-RIS Aided Secure MIMO Communication Systems

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Physical layer security (PLS) technologies are expected to play an important role in the next-generation wireless networks, by providing secure communication to protect critical and sensitive information from illegitimate devices. In this…

Information Theory · Computer Science 2023-09-12 Yun Wen , Gaojie Chen , Sisai Fang , Zheng Chu , Pei Xiao , Rahim Tafazolli

This paper investigates the utilization of simultaneously transmitting and reflecting RIS (STAR-RIS) in supporting joint physical layer security (PLS) and covert communications (CCs) in a multi-antenna millimeter wave (mmWave) system, where…

Information Theory · Computer Science 2023-07-18 Han Xiao , Xiaoyan Hu , Ang Li , Wenjie Wang , Zhou Su , Kai-Kit Wong , Kun Yang

In this paper, we investigate a simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisting a massive multiple-input multiple-output (mMIMO) system. In particular, we derive a closed-form expression for…

Information Theory · Computer Science 2022-06-01 Anastasios Papazafeiropoulos , Zaid Abdullah , Pandelis Kourtessis , Steven Kisseleff , Ioannis Krikidis

The secure transmission of the simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) aided communication system is investigated. Considering the coupled phase shifts of STAR-RISs and the fair secrecy…

Information Theory · Computer Science 2022-08-23 Zheng Zhang , Zhaolin Wang , Yuanwei Liu , Bingtao He , Lu Lv , Jian Chen

Reconfigurable intelligent surfaces (RISs) hold significant promise for enhancing physical layer security (PLS). However, conventional RISs are typically modeled using diagonal scattering matrices, capturing only independent reflections…

Signal Processing · Electrical Eng. & Systems 2025-11-20 Weijie Xiong , Jingran Lin , Cunhua Pan , Yilong Zeng , Qiang Li

Simultaneous transmitting and reflecting reconfigurable intelligent surfaces (STAR-RIS) offer a transformative approach for integrated sensing and communication (ISAC) systems, particularly for enhancing physical layer security (PLS). This…

Signal Processing · Electrical Eng. & Systems 2026-03-10 Rakesh Ranjan , Anshu Mukherjee , Manjesh K. Hanawal , Keshav Singh , Ioannis Krikidis

Simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) have emerged as a promising technology for enabling full-space signal manipulation and enhancing wireless network coverage and capacity. In this…

Signal Processing · Electrical Eng. & Systems 2025-12-15 Taissir Y. Elganimi , Mahmoud Aldababsa , Ali A. Nasir , Khaled M. Rabie

A simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) aided communication system is investigated, where an access point sends information to two users located on each side of the STAR-RIS. Different from…

Information Theory · Computer Science 2022-09-14 Yuanwei Liu , Xidong Mu , Robert Schober , H. Vincent Poor

Reconfigurable intelligent surface (RIS) has emerged as a cost-effective solution to improve wireless communication performance through just passive reflection. Recently, the concept of simultaneously transmitting and reflecting RIS…

Information Theory · Computer Science 2023-11-27 Anastasios Papazafeiropoulos , Pandelis Kourtessis , Symeon Chatzinotas

This paper investigates the multi-antenna covert communications assisted by a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS). In particular, to shelter the existence of communications between…

Information Theory · Computer Science 2023-08-31 Han Xiao , Xiaoyan Hu , Pengcheng Mu , Wenjie Wang , Tong-Xing Zheng , Kai-Kit Wong , Kun Yang

Simultaneously transmitting and reflecting \textcolor{black}{reconfigurable intelligent surface} (STAR-RIS) is a promising implementation of RIS-assisted systems that enables full-space coverage. However, STAR-RIS as well as conventional…

This paper investigates the secure transmission in a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted uplink non-orthogonal multiple access system, where the legitimate users send…

Information Theory · Computer Science 2021-11-05 Zheng Zhang , Jian Chen , Yuanwei Liu , Qingqing Wu , Bingtao He , Long Yang

The development of sixth-generation (6G) communication technologies is confronted with the significant challenge of spectrum resource shortage. To alleviate this issue, we propose a novel simultaneously transmitting and reflecting…

Signal Processing · Electrical Eng. & Systems 2024-12-03 Haochen Li , Yuanwei Liu , Xidong Mu , Yue Chen , Zhiwen Pan , Xiaohu You

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

This paper studies an extremely large-scale reconfigurable intelligent surface (XL-RIS)-aided near-field physical layer security (PLS) communication system, aiming to maximize the secrecy rate by jointly optimizing precoding vector at the…

Information Theory · Computer Science 2026-03-09 Xiaotong Xu , Qian Zhang , Yunxiao Li , Xuejun Cheng , Meihui Liu , Ju Liu

This article investigates physical layer security (PLS) in reconfigurable intelligent surface (RIS)-assisted multiple-input multiple-output multiple-antenna-eavesdropper (MIMOME) channels. Existing researches ignore the problem that secrecy…

Information Theory · Computer Science 2022-05-03 Yiliang Liu , Zhou Su , Chi Zhang , Hsiao-Hwa Chen

A robust full-space physical layer security (PLS) transmission scheme is proposed in this paper considering the full-space wiretapping challenge of wireless networks supported by simultaneous transmitting and reflecting reconfigurable…

Information Theory · Computer Science 2025-03-18 Han Xiao , Xiaoyan Hu , Ang Li , Wenjie Wang , Kun Yang

We explore the potential of a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) to enhance the performance of wireless surveillance systems. The STAR-RIS is deployed between a full-duplex (FD)…

Information Theory · Computer Science 2024-02-05 Fatemeh Jafarian , Mehrdad Ardebilipour , Mohammadali Mohammadi , Michail Matthaiou

In this paper, we investigate the integration of simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RIS) with rate-splitting multiple access (RSMA) for improving physical layer security (PLS) in integrated…

Signal Processing · Electrical Eng. & Systems 2025-11-04 Thanh Nha To , Hoang Lai Pham , Quynh Nguyen Thi , Tuan Anh Pham , Le Thanh Bang

A simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) aided near-field multiple-input multiple-output (MIMO) communication framework is proposed. A weighted sum rate maximization problem for the joint…

Signal Processing · Electrical Eng. & Systems 2024-12-11 Li Haochen , Yuanwei Liu , Xidong Mu , Yue Chen , Pan Zhiwen
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