Hierarchical Federated Learning: Architecture, Challenges, and Its Implementation in Vehicular NetworksMar 1, 2023·J. Yan,T. Chen,B. Xie,Y. Sun,S. Zhou,Z. Niu· 0 min read CiteLast updated on Mar 1, 2023← Data-heterogeneous hierarchical federated learning with mobility Sep 1, 2023, MOB-FL:Mobility-Aware Federated Learningfor Intelligent Connected Vehicles Jan 1, 2023 →