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Adaptive and Parallel Split Federated Learning in Vehicular Edge Computing
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AI
DOI：10.1109/JIOT.2024.3479158.png)
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Abstract
En 中文
Vehicular edge intelligence (VEI) is a promising paradigm for enabling future intelligent transportation systems by accommodating artificial intelligence (AI) at the vehicular edge computing (VEC) system. Federated learning (FL) stands as one of the fundamental technologies facilitating collaborative model training locally and aggregation, while safeguarding the privacy of vehicle data in VEI. However, traditional FL faces challenges in adapting to vehicle heterogeneity, training large models on resource-constrained vehicles, and remaining susceptible to model weight privacy leakage. Meanwhile, split learning (SL) is proposed as a promising collaborative learning framework which can mitigate the risk of model wights leakage, and release the training workload on vehicles. SL sequentially trains a model between a vehicle and an edge-cloud (EC) by dividing the entire model into a vehicle-side model and an EC-side model at a given cut layer. In this work, we combine the advantages of SL and FL to develop an adaptive split FL scheme for VEC (ASFV). The ASFV scheme adaptively splits the model and parallelizes the training process, taking into account mobile vehicle selection and resource allocation. Our extensive simulations, conducted on nonindependent and identically distributed data, demonstrate that the proposed ASFV solution significantly reduces training latency compared to existing benchmarks, while adapting to network dynamics and vehicles' mobility.
Keywords:
Training
Adaptation models
Federated learning
Computational modeling
Resource management
Data models
Vehicle dynamics
Edge computing
Internet of Things
Heuristic algorithms
Adaptive split model
federated learning (FL)
split FL
split learning (SL)
vehicular edge intelligence (VEI)
Journal
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