Energy-Efficient User Association and Resource Allocation for Decentralized Mutual Learning

  • Xiao Lu
  • , Jiantao Yuan
  • , Chao Chen
  • , Xianfu Chen
  • , Celimuge Wu
  • , Rui Yin

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Abstract

In this paper, a novel decentralized mutual learning (DML) network is designed, where each mobile device can share knowledge with its neighbour devices via bidirectional device-to-device (D2D) communication. We subdivide and discuss mutual learning scenarios, and investigate the user association and resource allocation problems for the one-to-many scenario. With constraints on power, bandwidth and communication latency, we formulate a non-convex optimization problem to minimize the average communication energy consumption for sharing new knowledge. On the basis, a two-layer iterative algorithm is proposed, which consists of an outer layer algorithm based on particle swarm optimisation (PSO) for searching a suitable user association strategy and an inner layer algorithm based on sum-of-ratios optimization for achieving a globally optimal allocation of communication resource. Numerical results are presented to verify the fast convergence and the effectiveness of the proposed algorithm in terms of a trade-off between energy consumption and knowledge sharing efficiency.

Original languageEnglish
Title of host publication2022 IEEE Global Communications Conference, GLOBECOM 2022
PublisherIEEE Institute of Electrical and Electronic Engineers
Pages867-872
ISBN (Electronic)978-1-6654-3540-6
ISBN (Print)978-1-6654-3541-3
DOIs
Publication statusPublished - 2023
MoE publication typeA4 Article in a conference publication
EventIEEE Global Communications Conference, GLOBECOM 2022: Accelerating the Digital Transformation through Smart Communications - Hybrid: In-Person and Virtual Conference, Rio de Janeiro, Brazil
Duration: 4 Dec 20228 Dec 2022

Conference

ConferenceIEEE Global Communications Conference, GLOBECOM 2022
Country/TerritoryBrazil
CityRio de Janeiro
Period4/12/228/12/22

Funding

This work was supported in part by the Zhejiang province commonweal projects(Grant No. LGG22F010008), in part by ROIS NII Open Collaborative Research 22S0601, in part by JSPS KAKENHI grant numbers 20H00592, and 21H03424, in part by the Zhejiang Lab Open Program under Grant 2021LC0AB06.

Keywords

  • D2D communication
  • Decentralized network
  • Mutual learning
  • Resource allocation
  • User association

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