University of Oulu

J. Park, S. Samarakoon, M. Bennis and M. Debbah, "Wireless Network Intelligence at the Edge," in Proceedings of the IEEE, vol. 107, no. 11, pp. 2204-2239, Nov. 2019. doi: 10.1109/JPROC.2019.2941458

Wireless network intelligence at the edge

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Author: Park, Jihong1; Samarakoon, Sumudu1; Bennis, Mehdi1;
Organizations: 1Centre for Wireless Communications, University of Oulu, 90014 Oulu, Finland
2CentraleSupélec, Université Paris-Saclay, 91190 Gif-sur-Yvette, France
Format: article
Version: accepted version
Access: open
Online Access: PDF Full Text (PDF, 7.1 MB)
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Language: English
Published: Institute of Electrical and Electronics Engineers, 2019
Publish Date: 2020-02-19


Fueled by the availability of more data and computing power, recent breakthroughs in cloud-based machine learning (ML) have transformed every aspect of our lives from face recognition and medical diagnosis to natural language processing. However, classical ML exerts severe demands in terms of energy, memory, and computing resources, limiting their adoption for resource-constrained edge devices. The new breed of intelligent devices and high-stake applications (drones, augmented/virtual reality, autonomous systems, and so on) requires a novel paradigm change calling for distributed, low-latency and reliable ML at the wireless network edge (referred to as edge ML). In edge ML, training data are unevenly distributed over a large number of edge nodes, which have access to a tiny fraction of the data. Moreover, training and inference are carried out collectively over wireless links, where edge devices communicate and exchange their learned models (not their private data). In a first of its kind, this article explores the key building blocks of edge ML, different neural network architectural splits and their inherent tradeoffs, as well as theoretical and technical enablers stemming from a wide range of mathematical disciplines. Finally, several case studies pertaining to various high-stake applications are presented to demonstrate the effectiveness of edge ML in unlocking the full potential of 5G and beyond.

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Series: Proceedings of the IEEE
ISSN: 0018-9219
ISSN-E: 1558-2256
ISSN-L: 0018-9219
Volume: 107
Issue: 11
Pages: 2204 - 2239
DOI: 10.1109/JPROC.2019.2941458
Type of Publication: A1 Journal article – refereed
Field of Science: 213 Electronic, automation and communications engineering, electronics
Funding: This work was supported in part by the Academy of Finland under Grant 294128, in part by the 6Genesis Flagship under Grant 318927, in part by the Kvantum Institute Strategic Project (SAFARI), in part by the Academy of Finland through the MISSION Project under Grant 319759, and in part by the Artificial Intelligence for Mobile Wireless Systems (AIMS) project at the University of Oulu.
Academy of Finland Grant Number: 294128
Detailed Information: 294128 (Academy of Finland Funding decision)
318927 (Academy of Finland Funding decision)
319759 (Academy of Finland Funding decision)
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