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The integration of unmanned platforms equipped with advanced sensors promises to enhance situational awareness and mitigate the "fog of war" in military operations. However, managing the vast influx of data from these platforms poses a…

多智能体系统 · 计算机科学 2024-11-11 Indranil Sur , Aswin Raghavan , Abrar Rahman , James Z Hare , Daniel Cassenti , Carl Busart

We design and demonstrate a method for early detection of Denial-of-Service attacks. The proposed approach takes advantage of the OpenRAN framework to collect measurements from the air interface (for attack detection) and to dynamically…

网络与互联网体系结构 · 计算机科学 2023-02-06 Bruno Missi Xavier , Merim Dzaferagic , Diarmuid Collins , Giovanni Comarela , Magnos Martinello , Marco Ruffini

Wireless random access protocols are attracting a revived research interest as a simple yet effective solution for machine-type communications. In the quest to improve reliability and spectral efficiency of such schemes, the use of multiple…

信息论 · 计算机科学 2019-03-11 Andrea Munari , Federico Clazzer , Gianluigi Liva , Michael Heindlmaier

The low-pass filter is a fundamental building block from which digital signal-processing systems (e.g. radio and radar) are built. Signals in the electromagnetic spectrum extend over all timescales/frequencies and are used to transmit and…

信号处理 · 电气工程与系统科学 2023-06-26 Hugh L. Kennedy

Low-rank adaptation (LoRA) is an efficient strategy for adapting latent diffusion models (LDMs) on a private dataset to generate specific images by minimizing the adaptation loss. However, the LoRA-adapted LDMs are vulnerable to membership…

机器学习 · 计算机科学 2024-12-17 Zihao Luo , Xilie Xu , Feng Liu , Yun Sing Koh , Di Wang , Jingfeng Zhang

In mobile ad hoc networks, by attacking the corresponding routing protocol, an attacker can easily disturb the operations of the network. For ad hoc networks, till now many secured routing protocols have been proposed which contains some…

密码学与安全 · 计算机科学 2010-07-15 M. Rajesh Babu , S. Selvan

Communication enables coordination in multi-agent reinforcement learning (MARL), but many real-world applications, e.g., search-and-rescue with drone swarms, operate under severe bandwidth constraints. Many communication architectures still…

多智能体系统 · 计算机科学 2026-05-21 Alexi Canesse , Benoît Goupil , Jesse Read , Sonia Vanier

In this paper, we consider networked distributed systems in the presence of Denial-of-Service (DoS) attacks, namely attacks that prevent transmissions over the communication network. First, we consider a simple and typical scenario where…

系统与控制 · 计算机科学 2017-09-19 Shuai Feng , Pietro Tesi , Claudio De Persis

Dynamic spectrum access (DSA) is regarded as an effective and efficient technology to share radio spectrum among different networks. As a secondary user (SU), a DSA device will face two critical problems: avoiding causing harmful…

机器学习 · 计算机科学 2018-10-30 Hao-Hsuan Chang , Hao Song , Yang Yi , Jianzhong Zhang , Haibo He , Lingjia Liu

A distributed denial-of-service (DDoS) attack is an attack wherein multiple compromised computer systems flood the bandwidth and/or resources of a target, such as a server, website or other network resource, and cause a denial of service…

密码学与安全 · 计算机科学 2020-08-05 Rajat Tandon

Low-Rank Adaptation (LoRA) has emerged as a leading technique for efficiently fine-tuning text-to-image diffusion models, and its widespread adoption on open-source platforms has fostered a vibrant culture of model sharing and…

计算机视觉与模式识别 · 计算机科学 2026-04-27 Liangwei Lyu , Jiaqi Xu , Jianwei Ding , Qiyao Deng

Deep learning (DL) has been widely studied for assisting applications of modern wireless communications. One of the applications is automatic modulation classification (AMC). However, DL models are found to be vulnerable to adversarial…

密码学与安全 · 计算机科学 2026-03-27 Younes Salmi , Hanna Bogucka

An adversarial deep learning approach is presented to launch over-the-air spectrum poisoning attacks. A transmitter applies deep learning on its spectrum sensing results to predict idle time slots for data transmission. In the meantime, an…

网络与互联网体系结构 · 计算机科学 2019-11-05 Yalin E. Sagduyu , Yi Shi , Tugba Erpek

A multi-level random power transmit strategy that is used in conjunction with a random access protocol (RAP) (e.g. ALOHA, IRSA) is proposed to fundamentally increase the throughput in a distributed communication network. A SIR model is…

信息论 · 计算机科学 2020-10-20 Akshit Kumar , Parikshit Hegde , Rahul Vaze , Amira Alloum , Cédric Adjih

Non-orthogonal multiple access (NOMA) has been considered as a promising solution for improving the spectrum efficiency of next-generation wireless networks. In this paper, the performance of a p-persistent slotted ALOHA system in support…

网络与互联网体系结构 · 计算机科学 2020-02-25 Ziru Chen , Yong Liu , Sami Khairy , Lin X. Cai , Yu Cheng , Ran Zhang

The anticipated increase in the count of IoT devices in the coming years motivates the development of efficient algorithms that can help in their effective management while keeping the power consumption low. In this paper, we propose an…

网络与互联网体系结构 · 计算机科学 2021-11-02 Inaam Ilahi , Muhammad Usama , Muhammad Omer Farooq , Muhammad Umar Janjua , Junaid Qadir

Communication networks able to withstand hostile environments are critically important for disaster relief operations. In this paper, we consider a challenging scenario where drones have been compromised in the supply chain, during their…

密码学与安全 · 计算机科学 2023-12-11 Chris Hicks , Vasilios Mavroudis , Myles Foley , Thomas Davies , Kate Highnam , Tim Watson

In this paper, we for the first time investigate the random access problem for a delay-constrained heterogeneous wireless network. We begin with a simple two-device problem where two devices deliver delay-constrained traffic to an access…

网络与互联网体系结构 · 计算机科学 2022-05-05 Lei Deng , Danzhou Wu , Zilong Liu , Yijin Zhang , Yunghsiang S. Han

Low-rank adaptation (LoRA) is a natural method for finetuning in communication-constrained machine learning settings such as cross-device federated learning. Prior work that has studied LoRA in the context of federated learning has focused…

机器学习 · 计算机科学 2024-06-11 Kevin Kuo , Arian Raje , Kousik Rajesh , Virginia Smith

In this paper, a link adaptation and untrusted relay assignment (LAURA) framework for efficient and reliable wireless cooperative communications with physical layer security is proposed. Using sharp channel codes in different transmission…

网络与互联网体系结构 · 计算机科学 2012-11-21 Hamid Khodakarami , Farshad Lahouti