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相关论文: Anti-Jamming Sensing with Distributed Reconfigurab…

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Using RF signals for wireless sensing has gained increasing attention. However, due to the unwanted multi-path fading in uncontrollable radio environments, the accuracy of RF sensing is limited. Instead of passively adapting to the…

信号处理 · 电气工程与系统科学 2020-11-26 Jingzhi Hu , Hongliang Zhang , Kaigui Bian , Marco Di Renzo , Zhu Han , Lingyang Song

Wireless communication infrastructure is a cornerstone of modern digital society, yet it remains vulnerable to the persistent threat of wireless jamming. Attackers can easily create radio interference to overshadow legitimate signals,…

密码学与安全 · 计算机科学 2024-12-18 Philipp Mackensen , Paul Staat , Stefan Roth , Aydin Sezgin , Christof Paar , Veelasha Moonsamy

Global navigation satellite system (GNSS) interference poses a serious threat to reliable positioning, especially in indoor and multipath-rich environments where source localization is highly challenging. In this paper, we formulate GNSS…

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…

信号处理 · 电气工程与系统科学 2020-12-24 Helin Yang , Zehui Xiong , Jun Zhao , Dusit Niyato , Qingqing Wu , Massimo Tornatore , Stefano Secci

Reconfigurable Intelligent Surfaces (RIS) is a transformative technology with great potential in many applications in wireless communications and realizing the Internet of Everything at sixth generation (6G). In this study, we propose a…

信息论 · 计算机科学 2025-06-25 Xuejian Wei , Hui-Ming Wang

The evolution of 6G networks demands ultra-massive connectivity and intelligent radio environments, yet existing reconfigurable intelligent surface (RIS) technologies face critical limitations in hardware efficiency, dynamic control, and…

信号处理 · 电气工程与系统科学 2025-08-19 Yunsong Huang , Hui-Ming Wang , Qingli Yan , Zhaowei Wang

The emerging technology of Reconfigurable Intelligent Surfaces (RISs) is provisioned as an enabler of smart wireless environments, offering a highly scalable, low-cost, hardware-efficient, and almost energy-neutral solution for dynamic…

Using radio-frequency (RF) sensing techniques for human posture recognition has attracted growing interest due to its advantages of pervasiveness, contact-free observation, and privacy protection. Conventional RF sensing techniques are…

信号处理 · 电气工程与系统科学 2019-12-24 Jingzhi Hu , Hongliang Zhang , Boya Di , Lianlin Li , Lingyang Song , Yonghui Li , Zhu Han , H. Vincent Poor

Dynamic spectrum access (DSA) benefits from detection and classification of interference sources including in-network users, out-network users, and jammers that may all coexist in a wireless network. We present a deep learning based signal…

网络与互联网体系结构 · 计算机科学 2019-09-27 Yi Shi , Kemal Davaslioglu , Yalin E. Sagduyu , William C. Headley , Michael Fowler , Gilbert Green

Recently, the reconfigurable intelligent surface (RIS), benefited from the breakthrough on the fabrication of programmable meta-material, has been speculated as one of the key enabling technologies for the future six generation (6G)…

信息论 · 计算机科学 2022-06-23 Chongwen Huang , Ronghong Mo , Chau Yuen

Intelligent reflecting surface (IRS) is envisioned as a promising solution for controlling radio propagation environments in future wireless systems. In this paper, we propose a distributed intelligent reflecting surface (IRS) assisted…

信号处理 · 电气工程与系统科学 2020-11-02 Yashuai Cao , Tiejun Lv , Wei Ni

In this paper, we use a reconfigurable intelligent surface (RIS) to enhance the radar sensing and communication capabilities of a mmWave dual function radar communication system. To simultaneously localize the target and to serve the user,…

信号处理 · 电气工程与系统科学 2021-05-06 R. S. Prasobh Sankar , Battu Deepak , Sundeep Prabhakar Chepuri

This paper reveals the potential of movable antennas in enhancing anti-jamming communication. We consider a legitimate communication link in the presence of multiple jammers and propose deploying a movable antenna array at the receiver to…

信号处理 · 电气工程与系统科学 2025-04-07 Xiao Tang , Yudan Jiang , Jinxin Liu , Qinghe Du , Dusit Niyato , Zhu Han

This paper investigates the impact of practical features of the emerging antenna array technology of Dynamic Metasurface Antennas (DMAs) when used for wideband sensing. By adopting a realistic DMA response model capturing frequency…

信号处理 · 电气工程与系统科学 2026-04-14 Ioannis Gavras , George C. Alexandropoulos

Wireless devices can be easily attacked by jammers during transmission, which is a potential security threat for wireless communications. Active reconfigurable intelligent surface (RIS) attracts considerable attention and is expected to be…

信息论 · 计算机科学 2024-06-17 Yang Cao , Wenchi Cheng , Jingqing Wang , Wei Zhang

Many computing systems need to be protected against physical attacks using active tamper detection based on sensors. One technical solution is to employ an ATR (Anti-Tamper Radio) approach, analyzing the radio wave propagation effects…

密码学与安全 · 计算机科学 2025-03-19 Maryam Shaygan Tabar , Johannes Kortz , Paul Staat , Harald Elders-Boll , Christof Paar , Christian Zenger

This paper investigates the physical layer security of a Reconfigurable Intelligent Surface (RIS)-aided wireless network in the presence of full-duplex active eavesdropping. In this scenario, the RIS cooperates with the Base Station (BS) to…

信息论 · 计算机科学 2024-11-28 Atefeh Zakeri , S. Mohammad Razavizadeh

Reconfigurable Intelligent Surfaces (RISs) are regarded as a key technology for future wireless communications, enabling programmable radio propagation environments. However, the passive reflecting feature of RISs induces notable challenges…

信号处理 · 电气工程与系统科学 2022-02-15 Liuhang Wang , Nir Shlezinger , George C. Alexandropoulos , Haiyang Zhang , Baoyun Wang , Yonina C. Elda

Reconfigurable intelligent surfaces (RISs) can potentially combat jamming attacks by diffusing jamming signals. This paper jointly optimizes user selection, channel allocation, modulation-coding, and RIS configuration in a multiuser OFDMA…

信息论 · 计算机科学 2023-01-23 Xin Yuan , Shuyan Hu , Wei Ni , Ren Ping Liu , Xin Wang

Reconfigurable Intelligent Surfaces (RIS) or Intelligent Reflecting Surfaces (IRS) are metasurfaces that can be deployed in various places in wireless environments to make these environments controllable and reconfigurable. In this paper,…

信息论 · 计算机科学 2020-01-22 S. Mohammad Razavizadeh , Tommy Svensson
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