Cited by 272IoT Networks and ProtocolsWireless Networks and ProtocolsAdvanced Wireless Network Optimization

The DOI matches its Crossref record; 217 of the 217 references it cites were found in a registry or an index.

Enabling Technologies for Ultra-Reliable and Low Latency Communications: From PHY and MAC Layer Perspectives

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Abstract

Future 5th generation networks are expected to enable three key services-enhanced mobile broadband, massive machine type communications and ultra-reliable and low latency communications (URLLC). As per the 3rd generation partnership project URLLC requirements, it is expected that the reliability of one transmission of a 32 byte packet will be at least 99.999% and the latency will be at most 1 ms. This unprecedented level of reliability and latency will yield various new applications, such as smart grids, industrial automation and intelligent transport systems. In this survey we present potential future URLLC applications, and summarize the corresponding reliability and latency requirements. We provide a comprehensive discussion on physical (PHY) and medium access control (MAC) layer techniques that enable URLLC, addressing both licensed and unlicensed bands. This paper evaluates the relevant PHY and MAC techniques for their ability to improve the reliability and reduce the latency. We identify that enabling long-term evolution to coexist in the unlicensed spectrum is also a potential enabler of URLLC in the unlicensed band, and provide numerical evaluations. Lastly, this paper discusses the potential future research directions and challenges in achieving the URLLC requirements.

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Crossref · 10.1109/comst.2019.2897800

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Metadata

Authors
Sutton, G. J., Zeng, J., Liu, R. P., Ni, W., Nguyen, D. N., Jayawickrama, B. A., Huang, X., Abolhasan, M., Zhang, Z., Dutkiewicz, E., & Lv, T.
Affiliations
  • University of Technology Sydney (AU)
  • Data61 (AU)
  • Huawei Technologies (China) (CN)
  • Beijing University of Posts and Telecommunications (CN)
Venue
IEEE Communications Surveys & Tutorials
Published
2019
Volume
21
Issue
3
Pages
2488-2524
ISSN
  • 1553-877X (ISSN-L)
  • 2373-745X
OpenAlex
W2911728646
Cited by
272
References
217
Citations by year
2026: 21 · 2025: 25 · 2024: 43 · 2023: 47 · 2022: 39 · 2021: 60 · 2020: 30 · 2019: 7
FWCI
12.23
Type
journal article
Language
en
Open access
Locations
  • IEEE Communications Surveys & Tutorials (publishedVersion)
  • UTS ePRESS (University of Technology Sydney) (submittedVersion, other-oa)
Funders
Huawei Technologies (HIRPO20160105)
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › IoT Networks and Protocols
  • Physical Sciences › Computer Science › Computer Networks and Communications › Wireless Networks and Protocols
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced Wireless Network Optimization
Keywords
ultra-reliable low-latency communication, physical layer techniques, medium access control, 5G, massive machine-type communications, reliability requirements, latency reduction, unlicensed spectrum, smart grid, industrial automation

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