Resource Rationing for Wireless Federated Learning: Concept, Benefits, and Challenges

• URL: http://arxiv.org/abs/2104.06990v1
• Date: Wed, 14 Apr 2021 17:16:33 GMT
• Title: Resource Rationing for Wireless Federated Learning: Concept, Benefits, and Challenges
• Authors: Cong Shen, Jie Xu, Sihui Zheng, Xiang Chen
• Abstract summary: We advocate a new resource allocation framework, which we term resource rationing, for wireless federated learning (FL) Unlike existing resource allocation methods for FL, resource rationing focuses on balancing resources across learning rounds. This new framework can be integrated seamlessly with existing resource allocation schemes to optimize the convergence of FL.
• Score: 23.49563400899498
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We advocate a new resource allocation framework, which we term resource rationing, for wireless federated learning (FL). Unlike existing resource allocation methods for FL, resource rationing focuses on balancing resources across learning rounds so that their collective impact on the federated learning performance is explicitly captured. This new framework can be integrated seamlessly with existing resource allocation schemes to optimize the convergence of FL. In particular, a novel "later-is-better" principle is at the front and center of resource rationing, which is validated empirically in several instances of wireless FL. We also point out technical challenges and research opportunities that are worth pursuing. Resource rationing highlights the benefits of treating the emerging FL as a new class of service that has its own characteristics, and designing communication algorithms for this particular service.

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