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The shift to 6G communications: vision and requirements

Authors
  • Akhtar, Muhammad Waseem1
  • Hassan, Syed Ali1
  • Ghaffar, Rizwan2
  • Jung, Haejoon3
  • Garg, Sahil4
  • Hossain, M. Shamim5
  • 1 National University of Sciences and Technology (NUST), Islamabad, Pakistan , Islamabad (Pakistan)
  • 2 Wi-Fi division of Broadcom, San Jose, CA, USA , San Jose (United States)
  • 3 Incheon National University, Incheon, 22012, Korea , Incheon (South Korea)
  • 4 Electrical Engineering Department, École de Technologie Supérieure, Montréal, QC, H3C 1K3, Canada , Montréal (Canada)
  • 5 King Saud University, Riyadh, 11543, Saudi Arabia , Riyadh (Saudi Arabia)
Type
Published Article
Journal
Human-centric Computing and Information Sciences
Publisher
Springer (Biomed Central Ltd.)
Publication Date
Dec 21, 2020
Volume
10
Issue
1
Identifiers
DOI: 10.1186/s13673-020-00258-2
Source
Springer Nature
Keywords
License
Green

Abstract

The sixth-generation (6G) wireless communication network is expected to integrate the terrestrial, aerial, and maritime communications into a robust network which would be more reliable, fast, and can support a massive number of devices with ultra-low latency requirements. The researchers around the globe are proposing cutting edge technologies such as artificial intelligence (AI)/machine learning (ML), quantum communication/quantum machine learning (QML), blockchain, tera-Hertz and millimeter waves communication, tactile Internet, non-orthogonal multiple access (NOMA), small cells communication, fog/edge computing, etc., as the key technologies in the realization of beyond 5G (B5G) and 6G communications. In this article, we provide a detailed overview of the 6G network dimensions with air interface and associated potential technologies. More specifically, we highlight the use cases and applications of the proposed 6G networks in various dimensions. Furthermore, we also discuss the key performance indicators (KPI) for the B5G/6G network, challenges, and future research opportunities in this domain.

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