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相关论文: Secure SWIPT in the Multiuser STAR-RIS Aided MISO …

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In this work, we unveil the advantages of synergizing cooperative rate splitting (CRS) with user relaying and simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR RIS). Specifically, we propose a novel STAR…

信息论 · 计算机科学 2024-04-16 Kangchun Zhao , Yijie Mao , Yuanming Shi

This paper investigates the use of the reconfigurable dual-functional surface to guarantee the full-space secure transmission in non-orthogonal multiple access (NOMA) networks. In the presence of eavesdroppers, the downlink communication…

信号处理 · 电气工程与系统科学 2022-05-31 Wen Wang , Wanli Ni , Hui Tian , Zhaohui Yang , Chongwen Huang , Kai-Kit Wong

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…

信息论 · 计算机科学 2022-08-23 Zheng Zhang , Zhaolin Wang , Yuanwei Liu , Bingtao He , Lu Lv , Jian Chen

A novel simultaneously transmitting and reflecting (STAR) system design relying on reconfigurable intelligent surfaces (RISs) is conceived. First, an existing prototype is reviewed and the potential benefits of STAR-RISs are discussed.…

信息论 · 计算机科学 2022-09-14 Yuanwei Liu , Xidong Mu , Jiaqi Xu , Robert Schober , Yang Hao , H. Vincent Poor , Lajos Hanzo

Covert communications assisted by simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) in non-orthogonal multiple access (NOMA) systems have been explored in this paper. In particular, the access point…

信息论 · 计算机科学 2023-06-14 Han Xiao , Xiaoyan Hu , Tong-Xing Zheng , Kai-Kit Wong

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…

信息论 · 计算机科学 2021-02-02 RuiTianYi Lu

Recently, reconfigurable intelligent surface (RIS) has gained research and development interests to modify wireless channel characteristics in order to improve performance of wireless communications, especially when quality of the…

信息论 · 计算机科学 2022-09-22 Alireza Salehiyan , Mohammad Javad Emadi

A simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted downlink (DL) active and uplink (UL) backscatter communication (BackCom) framework is proposed. More particularly, a full-duplex (FD) base…

信息论 · 计算机科学 2024-03-25 Ao Huang , Xidong Mu , Li Guo

This work demonstrates the effectiveness of a novel simultaneous transmission and reflection reconfigurable intelligent surface (STAR-RIS) in Full-Duplex (FD) aided communication system. The objective is to minimize the total transmit power…

信号处理 · 电气工程与系统科学 2022-03-15 Yiru Wang , Pengxin Guan , Hongkang Yu , Yuping Zhao

This paper explores an integrated sensing and communication (ISAC) network empowered by multiple active simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs). A base station (BS) furnishes downlink…

信号处理 · 电气工程与系统科学 2025-07-25 Hyeonho Noh , Hyeonsu Lyu , Hyun Jong Yang

Reconfigurable intelligent surface (RIS) is a newly-emerged technology that might fundamentally change how wireless networks are operated. Though extensively studied in recent years, the practical limitations of RIS are often neglected when…

信号处理 · 电气工程与系统科学 2023-12-12 Parisa Ramezani , Yasaman Khorsandmanesh , Emil Björnson

In this work, we investigate a novel simultaneous transmission and reflection reconfigurable intelligent surface (RIS)-assisted multiple-input multiple-output downlink system, where three practical transmission protocols, namely, energy…

信息论 · 计算机科学 2021-06-18 Hehao Niu , Zheng Chu , Fuhui Zhou , Pei Xiao , Naofal Al-Dhahir

The reconfigurable intelligent surface (RIS) technology for metasurfaces is ushering in a new paradigm for wireless communication systems. It provides an accessible way for controlling the interaction between electromagnetic waves with the…

信号处理 · 电气工程与系统科学 2026-01-21 P. H. C. de Souza , M. Khazaee , L. L. Mendes

A multiple antenna base station (BS) with an intelligent reflecting surface (IRS) platform, and several single antenna users are considered in the downlink mode. Simultaneous wireless information and power transfer (SWIPT) is utilized by…

信号处理 · 电气工程与系统科学 2021-11-30 Shayan Zargari , Shahrokh Farahmand , Bahman Abolhassani

Reconfigurable intelligent surface (RIS) is a revolutionary technology to enhance both the spectral efficiency and energy efficiency of wireless communication systems. However, most of the existing contributions mainly focused on the study…

信息论 · 计算机科学 2023-01-11 Hong Ren , Zhiwei Chen , Guosheng Hu , Zhangjie Peng , Cunhua Pan , Jiangzhou Wang

This paper proposes a robust resource allocation framework for a low Earth orbit (LEO) satellite-enabled simultaneous wireless information and power transfer (SWIPT) system, assisted by a ground-deployed simultaneously transmitting and…

信号处理 · 电气工程与系统科学 2025-09-03 Zahra Rostamikafaki , Francois Chan , Claude D'Amours

This paper investigates simultaneous transmission and reflection reconfigurable intelligent surface (STAR-RIS) aided physical layer security (PLS) in multiple-input multiple-output (MIMO) systems, where the base station (BS) transmits…

信息论 · 计算机科学 2024-04-02 Xiequn Dong , Zesong Fei , Xinyi Wang , Meng Hua , Qingqing Wu

Integrating intelligent reflecting surface (IRS) and Rate-Splitting Multiple Access (RSMA) is an effective solution to improve the spectral/energy efficiency in next-generation (beyond 5G (B5G) and 6G) wireless networks. In this paper, we…

信号处理 · 电气工程与系统科学 2021-06-09 Aditya Jolly , Sudip Biswas , Keshav Singh

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…

信号处理 · 电气工程与系统科学 2025-11-04 Thanh Nha To , Hoang Lai Pham , Quynh Nguyen Thi , Tuan Anh Pham , Le Thanh Bang

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)…

信息论 · 计算机科学 2024-02-05 Fatemeh Jafarian , Mehrdad Ardebilipour , Mohammadali Mohammadi , Michail Matthaiou