University of Oulu

W. Saad, M. Bennis and M. Chen, "A Vision of 6G Wireless Systems: Applications, Trends, Technologies, and Open Research Problems," in IEEE Network, vol. 34, no. 3, pp. 134-142, May/June 2020, doi: 10.1109/MNET.001.1900287

A vision of 6G wireless systems : applications, trends, technologies, and open research problems

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Author: Saad, Walid1; Bennis, Mehdi2; Chen, Mingzhe3,4,1
Organizations: 1Virginia Tech
2University of Oulu
3The Chinese University of Hong Kong, Shenzhen
4Princeton University
Format: article
Version: accepted version
Access: open
Online Access: PDF Full Text (PDF, 1.1 MB)
Persistent link: http://urn.fi/urn:nbn:fi-fe2020050424790
Language: English
Published: Institute of Electrical and Electronics Engineers, 2020
Publish Date: 2020-05-04
Description:

Abstract

The ongoing deployment of 5G cellular systems is continuously exposing the inherent limitations of this system, compared to its original premise as an enabler for Internet of Everything applications. These 5G drawbacks are spurring worldwide activities focused on defining the next-generation 6G wireless system that can truly integrate far-reaching applications ranging from autonomous systems to extended reality. Despite recent 6G initiatives (one example is the 6Genesis project in Finland), the fundamental architectural and performance components of 6G remain largely undefined. In this article, we present a holistic, forward-looking vision that defines the tenets of a 6G system. We opine that 6G will not be a mere exploration of more spectrum at high-frequency bands, but it will rather be a convergence of upcoming technological trends driven by exciting, underlying services. In this regard, we first identify the primary drivers of 6G systems, in terms of applications and accompanying technological trends. Then, we propose a new set of service classes and expose their target 6G performance requirements. We then identify the enabling technologies for the introduced 6G services and outline a comprehensive research agenda that leverages those technologies. We conclude by providing concrete recommendations for the roadmap toward 6G. Ultimately, the intent of this article is to serve as a basis for stimulating more out-of-the-box research around 6G.

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Series: IEEE network
ISSN: 0890-8044
ISSN-E: 1558-156X
ISSN-L: 0890-8044
Volume: 34
Issue: 3
Pages: 134 - 142
DOI: 10.1109/MNET.001.1900287
OADOI: https://oadoi.org/10.1109/MNET.001.1900287
Type of Publication: A1 Journal article – refereed
Field of Science: 213 Electronic, automation and communications engineering, electronics
Subjects:
Funding: This research was supported by the U.S. National Science Foundation under Grant CNS-1836802. It was also supported in part by the Academy of Finland project CARMA; the Academy of Finland project MISSION; the Academy of Finland project SMARTER; the INFOTECH project NOOR; the Nokia Bell-Labs project FOGGY; and the Nokia Foundation.
Academy of Finland Grant Number: 319214
319758
Detailed Information: 319214 (Academy of Finland Funding decision)
319758 (Academy of Finland Funding decision)
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