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相关论文: Secure Communication of UAV-mounted STAR-RIS under…

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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…

信号处理 · 电气工程与系统科学 2026-03-10 Rakesh Ranjan , Anshu Mukherjee , Manjesh K. Hanawal , Keshav Singh , Ioannis Krikidis

This paper proposes a secure downlink multi-user transmission scheme enabled by a flexible unmanned aerial vehicle base station (UAV-BS) and non-orthogonal multiple access (NOMA). According to their heterogeneous service requirements,…

信息论 · 计算机科学 2020-06-11 Hui-Ming Wang , Xu Zhang

Non-orthogonal multiple access (NOMA) and massive multiple-input multiple-output (MIMO) systems are highly efficient. Massive MIMO systems are inherently resistant to passive attackers (eavesdroppers), thanks to transmissions directed to…

信息论 · 计算机科学 2025-07-09 Marziyeh Soltani , Mahtab Mirmohseni , Panos Papadimitratos

Uncrewed aerial vehicles (UAVs) have attracted recent attention for sixth-generation (6G) networks due to their low cost and flexible deployment. In order to maximize the ever-increasing data rates, spectral efficiency, and wider coverage,…

信号处理 · 电气工程与系统科学 2024-05-28 Faical Khennoufa , Khelil Abdellatif , Ferdi Kara , Halim Yanikomeroglu , Khaled Rabie , Taissir Y. Elganimi , Safia Beddiaf

This paper proposes a simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) aided wireless-powered non-orthogonal multiple access (NOMA) system, which includes an access point (AP), a STAR-RIS, and two…

信息论 · 计算机科学 2023-01-24 Kengyuan Xie , Guofa Cai , Georges Kaddoum , Jiguang He

This letter analyzes the ergodic rates of a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) aided non-orthogonal multiple access (NOMA) system, where the direct links from the base station to…

信息论 · 计算机科学 2022-07-26 Boqun Zhao , Chao Zhang , Wenqiang Yi , Yuanwei Liu

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

Non-orthogonal multiple access (NOMA)-inspired integrated sensing and communication (ISAC) facilitates spectrum sharing for radar sensing and NOMA communications, whereas facing privacy and security challenges due to open wireless…

Although reconfigurable intelligent surface (RIS) can improve the secrecy communication performance of wireless users, it still faces challenges such as limited coverage and double-fading effect. To address these issues, in this paper, we…

信息论 · 计算机科学 2024-12-10 Yingjie Pei , Wanli Ni , Jin Xu , Xinwei Yue , Xiaofeng Tao , Dusit Niyato

In this letter, we analyze the secrecy performance of a reconfigurable intelligent surface (RIS)-aided communication system with spatially random unmanned aerial vehicles (UAVs) acting as eavesdroppers. We consider the scenarios where the…

信息论 · 计算机科学 2022-08-17 Lai Wei , Kezhi Wang , Cunhua Pan , Maged Elkashlan

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…

信息论 · 计算机科学 2023-08-31 Han Xiao , Xiaoyan Hu , Pengcheng Mu , Wenjie Wang , Tong-Xing Zheng , Kai-Kit Wong , Kun Yang

Simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) enable full-space coverage but also expose wireless transmissions to security from multiple spatial directions. This paper investigates a…

信息论 · 计算机科学 2026-04-01 Huiyun Xia , Yijie Mao , Sai Xu , Shuai Han , Hongbo Zhu

To address the limitations of conventional reconfigurable intelligent surfaces (RIS) in spatial control capability, this paper proposes a fluid integrated reflecting and emitting surface (FIRES) assisted non-orthogonal multiple access…

信号处理 · 电气工程与系统科学 2026-05-12 Yu Liu , Qu Luo , Gaojie Chen , Pei Xiao , Ahmed Elzanaty , Mohsen Khalily , Rahim Tafazolli

Innovative reconfigurable intelligent surface (RIS) technologies are rising and recognized as promising candidates to enhance 6G and beyond wireless communication systems. RISs acquire the ability to manipulate electromagnetic signals,…

Recently, simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) have emerged as a novel technology that provides 360 coverage and new degrees-of-freedom (DoFs). They are also capable of manipulating…

In this paper, a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS)-aided downlink non-orthogonal multiple access (NOMA) Terahertz (THz) wireless system is proposed for indoor and outdoor transmissions.…

信号处理 · 电气工程与系统科学 2026-04-07 Ngoc Phuc Le , Mohamed-Slim Alouini

This paper proposes a new design of non-orthogonal multiple access (NOMA) under secrecy considerations. We focus on a NOMA system where a transmitter sends confidential messages to multiple users in the presence of an external eavesdropper.…

信息论 · 计算机科学 2017-05-25 Biao He , An Liu , Nan Yang , Vincent K. N. Lau

The intrinsic integration of the nonorthogonal multiple access (NOMA) and reconfigurable intelligent surface (RIS) techniques is envisioned to be a promising approach to significantly improve both the spectrum efficiency and energy…

信息论 · 计算机科学 2021-03-29 Zhe Zhang , Chensi Zhang , Chengjun Jiang , Fan Jia , Jianhua Ge , Fengkui Gong

This paper studies how to achieve a high and flexible coverage performance of a large-scale cellular network that enables unmanned aerial vehicles (UAVs) for non-orthogonal multiple access (NOMA) transmission to simultaneously serve…

网络与互联网体系结构 · 计算机科学 2022-01-21 Chun-Hung Liu , Md Asif Syed , Lu Wei

Various emerging applications in sixth-generation (6G) wireless demand a seamless integration of communication and sensing services, driving the development of integrated sensing and communication (ISAC) systems. Using a common waveform for…

信号处理 · 电气工程与系统科学 2025-03-25 Ainara Kazymova , Vaibhav Kumar , Christina Pöpper , Marwa Chafii