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Federated learning is a novel framework that enables resource-constrained edge devices to jointly learn a model, which solves the problem of data protection and data islands. However, standard federated learning is vulnerable to Byzantine…

机器学习 · 计算机科学 2021-09-07 Kun Zhai , Qiang Ren , Junli Wang , Chungang Yan

Remote Direct Memory Access (RDMA) is becoming widely available in data centers. This technology allows a process to directly read and write the memory of a remote host, with a mechanism to control access permissions. In this paper, we…

分布式、并行与集群计算 · 计算机科学 2021-02-26 Marcos K. Aguilera , Naama Ben-David , Rachid Guerraoui , Virendra Marathe , Igor Zablotchi

The emerging concept of Over-the-Air (OtA) computation has shown great potential for achieving resource-efficient data aggregation across large wireless networks. However, current research in this area has been limited to the standard…

信息论 · 计算机科学 2023-05-15 Zheng Chen , Yura Malitsky

This paper investigates practical 5G strategies for power-balanced non-orthogonal multiple access (NOMA). By allowing multiple users to share the same time and frequency, NOMA can scale up the number of served users and increase spectral…

信息论 · 计算机科学 2017-01-25 Haoyuan Pan , Lu Lu , Soung Chang Liew

Over-the-air computation (AirComp) has emerged as a promising technology that enables simultaneous transmission and computation through wireless channels. In this paper, we investigate the networked AirComp in multiple clusters allowing…

信号处理 · 电气工程与系统科学 2025-05-19 Xiao Tang , Huirong Xiao , Chao Shen , Li Sun , Qinghe Du , Dusit Niyato , Zhu Han

This paper studies the problem of cooperative control of heterogeneous multi-agent systems (MASs) against Byzantine attacks. The agent affected by Byzantine attacks sends different wrong values to all neighbors while applying wrong input…

系统与控制 · 电气工程与系统科学 2023-03-28 Xin Gong , Yiwen Liang , Yukang Cui , Shi Liang , Tingwen Huang

Distributed algorithms for multi-agent resource allocation can provide privacy and scalability over centralized algorithms in many cyber-physical systems. However, the distributed nature of these algorithms can render these systems…

最优化与控制 · 数学 2020-12-08 Berkay Turan , Cesar A. Uribe , Hoi-To Wai , Mahnoosh Alizadeh

Over-the-air computation (AirComp) is a known technique in which wireless devices transmit values by analog amplitude modulation so that a function of these values is computed over the communication channel at a common receiver. The…

信号处理 · 电气工程与系统科学 2023-03-21 Saeed Razavikia , Jose Mairton Barros da Silva , Carlo Fischione

Over-the-air computation (AirComp) seamlessly integrates communication and computation by exploiting the waveform superposition property of multiple-access channels. Different from the existing works that focus on transceiver design of…

信号处理 · 电气工程与系统科学 2021-06-02 Min Fu , Yong Zhou , Yuanming Shi , Wei Chen , Rui Zhang

Massive numbers of nodes will be connected in future wireless networks. This brings great difficulty to collect a large amount of data. Instead of collecting the data individually, computation over multi-access channel (CoMAC) provides an…

信息论 · 计算机科学 2018-12-14 Fangzhou Wu , Li Chen , Nan Zhao , Yunfei Chen , F. Richard Yu , Guo Wei

To improve the overall efficiency and reliability of Byzantine protocols in large sparse networks, we propose a new system assumption for developing multi-scale fault-tolerant systems, with which several kinds of multi-scale Byzantine…

分布式、并行与集群计算 · 计算机科学 2022-03-08 Shaolin Yu , Jihong Zhu , Jiali Yang , Yulong Zhan

Over-the-air computation (AirComp) is a promising technology converging communication and computation over wireless networks, which can be particularly effective in model training, inference, and more emerging edge intelligence…

信息论 · 计算机科学 2024-08-30 Li Qiao , Zhen Gao , Mahdi Boloursaz Mashhadi , Deniz Gündüz

Deep neural networks have achieved impressive performance in various areas, but they are shown to be vulnerable to adversarial attacks. Previous works on adversarial attacks mainly focused on the single-task setting. However, in real…

机器学习 · 计算机科学 2020-11-20 Pengxin Guo , Yuancheng Xu , Baijiong Lin , Yu Zhang

Data aggregation is a promising approach to enable massive machine-type communication (mMTC). This paper focuses on the aggregation phase where a massive number of machine-type devices (MTDs) transmit to aggregators. By using non-orthogonal…

信息论 · 计算机科学 2018-04-25 Onel L. Alcaraz López , Hirley Alves , Pedro Nardelli , Matti Latva-aho

This paper presents the first orthogonal frequency-division multiplexing(OFDM)-based digital over-the-air computation (AirComp) system for wireless federated edge learning, where multiple edge devices transmit model data simultaneously…

信息论 · 计算机科学 2023-07-06 Lizhao You , Xinbo Zhao , Rui Cao , Yulin Shao , Liqun Fu

Over-the-air computation (AirComp) has traditionally been built on the principle of pre-embedding computation into transmitted waveforms or on exploiting massive antenna arrays, often requiring the wireless multiple-access channel (MAC) to…

信息论 · 计算机科学 2026-04-07 Seyed Mohammad Azimi-Abarghouyi

Over-the-air computation (AirComp) is a well-known technique by which several wireless devices transmit by analog amplitude modulation to achieve a sum of their transmit signals at a common receiver. The underlying physical principle is the…

信号处理 · 电气工程与系统科学 2023-10-11 Saeed Razavikia , José Mairton Barros Da Silva Júnior , Carlo Fischione

A novel over-the-air computation (AirComp) framework empowered by movable antennas (MAs) is proposed to significantly enhance computation accuracy. Within this framework, the joint optimization of transmit power control, antenna…

信号处理 · 电气工程与系统科学 2025-11-04 Zhenqiao Cheng , Nanxi Li , Jianchi Zhu , Shan Yang , Chongjun Ouyang , Xingqi Zhang

As a revolution in networking, Internet of Things (IoT) aims at automating the operations of our societies by connecting and leveraging an enormous number of distributed devices (e.g., sensors and actuators). One design challenge is…

信息论 · 计算机科学 2018-08-15 Xiaoyang Li , Guangxu Zhu , Yi Gong , Kaibin Huang

This paper aims at jointly addressing two seemly conflicting issues in federated learning: differential privacy (DP) and Byzantine-robustness, which are particularly challenging when the distributed data are non-i.i.d. (independent and…

机器学习 · 计算机科学 2022-08-03 Heng Zhu , Qing Ling