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Federated learning (FL) enables multiple clients to collaboratively train an accurate global model while protecting clients' data privacy. However, FL is susceptible to Byzantine attacks from malicious participants. Although the problem has…

密码学与安全 · 计算机科学 2023-08-08 Wei Wan , Shengshan Hu , Jianrong Lu , Leo Yu Zhang , Hai Jin , Yuanyuan He

We consider a novel multi-arm bandit (MAB) setup, where a learner needs to communicate the actions to distributed agents over erasure channels, while the rewards for the actions are directly available to the learner through external…

机器学习 · 统计学 2024-06-27 Osama Hanna , Merve Karakas , Lin F. Yang , Christina Fragouli

Federated multi-armed bandits (FMAB) is a new bandit paradigm that parallels the federated learning (FL) framework in supervised learning. It is inspired by practical applications in cognitive radio and recommender systems, and enjoys…

机器学习 · 计算机科学 2021-03-04 Chengshuai Shi , Cong Shen

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

This paper focuses on the problem of automatic link selection in multi-channel multiple access control using bandit feedback. In particular, a controller assigns multiple users to multiple channels in a time-slotted system, where in each…

系统与控制 · 电气工程与系统科学 2026-03-09 Mevan Wijewardena , Michael J. Neely , Haipeng Luo

The wireless channel changes continuously with time and frequency and the block-fading assumption, which is popular in many theoretical analyses, never holds true in practical scenarios. This discrepancy is critical for user activity…

信息论 · 计算机科学 2024-10-23 Jianan Bai , Erik G. Larsson

Smart jammer nodes can disrupt communication between a transmitter and a receiver in a wireless network, and they leave traces that are undetectable to classical jammer identification techniques, hidden in the time-frequency plane. These…

信号处理 · 电气工程与系统科学 2019-01-29 Ozan Alp Topal , Selen Gecgel , Ender Mete Eksioglu , Gunes Karabulut Kurt

Stochastic multi-armed bandits form a class of online learning problems that have important applications in online recommendation systems, adaptive medical treatment, and many others. Even though potential attacks against these learning…

机器学习 · 计算机科学 2019-05-17 Fang Liu , Ness Shroff

Contextual multi-armed bandit (MAB) algorithms have been shown promising for maximizing cumulative rewards in sequential decision tasks such as news article recommendation systems, web page ad placement algorithms, and mobile health.…

机器学习 · 统计学 2019-02-01 Gi-Soo Kim , Myunghee Cho Paik

This paper proposes a Time Division Multiple Access (TDMA) MAC slot allocation protocol with efficient bandwidth usage in wireless sensor networks and Internet of Things (IoTs). The developed protocol has two primary components: a…

网络与互联网体系结构 · 计算机科学 2023-02-13 Hrishikesh Dutta , Amit Kumar Bhuyan , Subir Biswas

In federated learning (FL), model training is distributed over clients and local models are aggregated by a central server. The performance of uploaded models in such situations can vary widely due to imbalanced data distributions,…

分布式、并行与集群计算 · 计算机科学 2021-09-14 Kang Wei , Jun Li , Chuan Ma , Ming Ding , Cailian Chen , Shi Jin , Zhu Han , H. Vincent Poor

Recently, masked image modeling (MIM), which learns visual representations by reconstructing the masked patches of an image, has dominated self-supervised learning in computer vision. However, the pre-training of MIM always takes massive…

计算机视觉与模式识别 · 计算机科学 2024-10-01 Jie Gui , Tuo Chen , Minjing Dong , Zhengqi Liu , Hao Luo , James Tin-Yau Kwok , Yuan Yan Tang

A crucial issue for a mobile ad hoc network is the handling of a large number of nodes. As more nodes join the mobile ad hoc network, contention and congestion are more likely. The on demand routing protocols which broadcasts control…

网络与互联网体系结构 · 计算机科学 2010-10-01 Sharmila Sankar , Dr. V. Sankaranarayanan

To achieve high data rates and better connectivity in future communication networks, the deployment of different types of access points (APs) is underway. In order to limit human intervention and reduce costs, the APs are expected to be…

信号处理 · 电气工程与系统科学 2021-01-19 Marie Josepha Youssef , Venugopal V. Veeravalli , Joumana Farah , Charbel Abdel Nour , Catherine Douillard

In this paper, we study the multi-objective bandits (MOB) problem, where a learner repeatedly selects one arm to play and then receives a reward vector consisting of multiple objectives. MOB has found many real-world applications as varied…

机器学习 · 计算机科学 2019-05-31 Shiyin Lu , Guanghui Wang , Yao Hu , Lijun Zhang

In a spoofing attack, an attacker impersonates a legitimate user to access or tamper with data intended for or produced by the legitimate user. In wireless communication systems, these attacks may be detected by relying on features of the…

机器学习 · 计算机科学 2022-11-09 Daniel Romero , Peter Gerstoft , Hadi Givehchian , Dinesh Bharadia

Due to the increasing threat of attacks on satellite systems, novel countermeasures have been developed to provide additional security. Among these, there has been a particular interest in transmitter fingerprinting, which authenticates…

密码学与安全 · 计算机科学 2026-02-13 Joshua Smailes , Sebastian Köhler , Simon Birnbach , Martin Strohmeier , Ivan Martinovic

This paper considers an Internet of Thing (IoT) blockchain network consisting of a leader node and various follower nodes which together implement the RAFT consensus protocol to verify a blockchain transaction, as requested by a blockchain…

信号处理 · 电气工程与系统科学 2022-04-05 Hasan Mujtaba Buttar , Waqas Aman , M. Mahboob Ur Rahman , Qammer H. Abbasi

In recent years, the integration of communication and control systems has gained significant traction in various domains, ranging from autonomous vehicles to industrial automation and beyond. Multi-armed bandit (MAB) algorithms have proven…

系统与控制 · 电气工程与系统科学 2024-05-16 Hiba Dakdouk , Mohamed Sana , Mattia Merluzzi

Automated algorithm selection and hyperparameter tuning facilitates the application of machine learning. Traditional multi-armed bandit strategies look to the history of observed rewards to identify the most promising arms for optimizing…

机器学习 · 计算机科学 2020-05-29 Mischa Schmidt , Julia Gastinger , Sébastien Nicolas , Anett Schülke