Pseudo-Label Selection-Based Federated Semi-Supervised Learning Framework for Vehicular Networks

IF 1.5 4区 计算机科学 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Jiachen Liu, Haoren Ke, Jianfeng Yang, Tianqi Yu
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引用次数: 0

Abstract

In vehicular networks, federated learning (FL) has been used for secure and distributed edge intelligence to support deep neural network (DNN) model training. In the FL, the roadside units (RSUs) and vehicles act as the parameter servers and clients, respectively. However, the raw data collected by the vehicles are normally unlabeled, which can hardly meet the requirements of the supervised learning tasks. To resolve the related issues, a federated semi-supervised learning (FSSL) framework is proposed in this paper. By leveraging semi-supervised learning (SSL), the framework can implement the model training with unlabeled data in vehicles and a small set of manually annotated data in the RSU. Furthermore, a pseudo-label selection method is developed for the vehicles to improve the local pseudo-label prediction accuracy and the convergence of global model training. Simulation experiments have been conducted to evaluate the performance of the proposed FSSL framework. The experimental results show that the proposed framework can effectively utilize unlabeled data in vehicular networks and complete the task of DNN model training.

Abstract Image

基于伪标签选择的车辆网络联合半监督学习框架
在车载网络中,联邦学习(FL)已被用于安全和分布式边缘智能,以支持深度神经网络(DNN)模型训练。在FL中,路边单元(rsu)和车辆分别作为参数服务器和客户端。然而,车辆收集的原始数据通常是未标记的,这很难满足监督学习任务的要求。为了解决这些问题,本文提出了一种联邦半监督学习(FSSL)框架。通过利用半监督学习(SSL),该框架可以使用车辆中的未标记数据和RSU中的一小部分手动注释数据来实现模型训练。为了提高局部伪标签预测精度和全局模型训练的收敛性,提出了一种车辆伪标签选择方法。仿真实验对所提出的FSSL框架的性能进行了评估。实验结果表明,该框架能够有效地利用车辆网络中的未标记数据,完成DNN模型训练任务。
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来源期刊
IET Communications
IET Communications 工程技术-工程:电子与电气
CiteScore
4.30
自引率
6.20%
发文量
220
审稿时长
5.9 months
期刊介绍: IET Communications covers the fundamental and generic research for a better understanding of communication technologies to harness the signals for better performing communication systems using various wired and/or wireless media. This Journal is particularly interested in research papers reporting novel solutions to the dominating problems of noise, interference, timing and errors for reduction systems deficiencies such as wasting scarce resources such as spectra, energy and bandwidth. Topics include, but are not limited to: Coding and Communication Theory; Modulation and Signal Design; Wired, Wireless and Optical Communication; Communication System Special Issues. Current Call for Papers: Cognitive and AI-enabled Wireless and Mobile - https://digital-library.theiet.org/files/IET_COM_CFP_CAWM.pdf UAV-Enabled Mobile Edge Computing - https://digital-library.theiet.org/files/IET_COM_CFP_UAV.pdf
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