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This work presents an attack-aware deepfake and image-forensics detector designed for robustness, well-calibrated probabilities, and transparent evidence under realistic deployment conditions. The method combines red-team training with…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Noor Fatima , Hasan Faraz Khan , Muzammil Behzad

In this paper, we study the problem of physical layer security in the uplink of millimeter-wave massive multiple-input multiple-output (MIMO) networks and propose a jamming detection and suppression method. The proposed method is based on…

信息论 · 计算机科学 2021-04-06 Saeed Bagherinejad1 , S. Mohammad Razavizadeh

We present a method for separating collided signals from multiple users in the presence of strong and wideband interference/jamming signal. More specifically, we consider a massive connectivity setup where few, out of a large number of…

信号处理 · 电气工程与系统科学 2019-03-18 Milutin Pajovic , Toshiaki Koike-Akino , Philip V. Orlik

We address the resilience of future 6G MIMO communications by considering an uplink scenario where multiple legitimate transmitters try to communicate with a base station in the presence of an adversarial jammer. The jammer possesses full…

信号处理 · 电气工程与系统科学 2023-02-15 Vlad C. Andrei , Xinyang Li , Ullrich J. Mönich , Holger Boche

This letter proposes anti-jamming strategies based on pilot retransmission for a single user uplink massive MIMO under jamming attack. A jammer is assumed to attack the system both in the training and data transmission phases. We first…

信息论 · 计算机科学 2016-11-28 Tan Tai Do , Hien Quoc Ngo , Trung Q. Duong , Tobias J. Oechtering , Mikael Skoglund

In this paper, we consider how the uplink transmission of a spatially correlated massive multiple-input multiple-output (MIMO) system can be protected from a jamming attack. To suppress the jamming, we propose a novel framework including a…

信息论 · 计算机科学 2020-03-02 Hossein Akhlaghpasand , Emil Björnson , S. Mohammad Razavizadeh

Deep Reinforcement Learning (DRL) has been highly effective in learning from and adapting to RF environments and thus detecting and mitigating jamming effects to facilitate reliable wireless communications. However, traditional DRL methods…

机器学习 · 计算机科学 2024-10-15 Kemal Davaslioglu , Sastry Kompella , Tugba Erpek , Yalin E. Sagduyu

Providing quality communications under adversarial electronic attacks, e.g., broadband jamming attacks, is a challenging task. Unlike state-of-the-art approaches which treat jamming signals as destructive interference, this paper presents a…

信息论 · 计算机科学 2022-09-07 Jianhui Ma , Qiang Li , Zilong Liu , Linsong Du , Hongyang Chen , Nirwan Ansari

Wireless systems must be resilient to jamming attacks. Existing mitigation methods based on multi-antenna processing require knowledge of the jammer's transmit characteristics that may be difficult to acquire, especially for smart jammers…

信息论 · 计算机科学 2023-04-12 Gian Marti , Torben Kölle , Christoph Studer

Reactive jammers pose a severe security threat to robotic-swarm networks by selectively disrupting inter-agent communications and undermining formation integrity and mission success. Conventional countermeasures such as fixed power control…

网络与互联网体系结构 · 计算机科学 2025-12-19 Bahman Abolhassani , Tugba Erpek , Kemal Davaslioglu , Yalin E. Sagduyu , Sastry Kompella

Deep Reinforcement Learning based solution for jamming communications using Frequency Hopping Spread Spectrum technology in a 16 channel radio environment is presented. Deep Q Network based transmitter continuously selects the next…

信息论 · 计算机科学 2026-01-13 Andrii Grekhov , Volodymyr Kharchenko , Vasyl Kondratiuk

In this paper, we study covert communications between {a pair of} legitimate transmitter-receiver against a watchful warden over slow fading channels. There coexist multiple friendly helper nodes who are willing to protect the covert…

信息论 · 计算机科学 2021-05-13 Tong-Xing Zheng , Ziteng Yang , Chao Wang , Zan Li , Jinhong Yuan , Xiaohong Guan

Native jamming mitigation is essential for addressing security and resilience in future 6G wireless networks. In this paper a resilient-by-design framework for effective anti-jamming in MIMO-OFDM wireless communications is introduced. A…

信息论 · 计算机科学 2024-04-17 Vlad C. Andrei , Aladin Djuhera , Xinyang Li , Ullrich J. Mönich , Holger Boche , Walid Saad

The fast deployment of cognitive radar to counter jamming remains a critical challenge in modern warfare, where more efficient deployment leads to quicker detection of targets. Existing methods are primarily based on evolutionary…

人工智能 · 计算机科学 2026-01-06 Wencheng Cai , Xuchao Gao , Congying Han , Mingqiang Li , Tiande Guo

Deepfake represents a category of face-swapping attacks that leverage machine learning models such as autoencoders or generative adversarial networks. Although the concept of the face-swapping is not new, its recent technical advances make…

计算机视觉与模式识别 · 计算机科学 2020-06-16 Chaofei Yang , Lei Ding , Yiran Chen , Hai Li

Malicious attacks such as jamming can cause significant disruption or complete denial of service (DoS) to wireless communication protocols. Moreover, jamming devices are getting smarter, making them difficult to detect. Forward error…

This paper investigates the anti-jamming channel access problem in complex and unknown jamming environments, where the jammer could dynamically adjust its strategies to target different channels. Traditional channel hopping anti-jamming…

机器学习 · 计算机科学 2025-12-29 Jianshu Zhang , Xiaofu Wu , Junquan Hu

A Wireless Sensor Network (WSN) is a self-configure network of sensor nodes communicate among themselves using radio signals and deployed in quantity to sense, monitor and to understand the physical world. A jammer is an entity which…

网络与互联网体系结构 · 计算机科学 2014-02-07 Manojkumar. M. K , Sathya. D

In recent years, DeepFake is becoming a common threat to our society, due to the remarkable progress of generative adversarial networks (GAN) in image synthesis. Unfortunately, existing studies that propose various approaches, in fighting…

密码学与安全 · 计算机科学 2021-09-28 Run Wang , Felix Juefei-Xu , Meng Luo , Yang Liu , Lina Wang

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