5G New Radio Unlicensed: Challenges and Evaluation

Hirzallah, M; Krunz, M; Kecicioglu, B; Hamzeh, B

5G New Radio Unlicensed: Challenges and Evaluation

Hirzallah, M Krunz, M Kecicioglu, B Hamzeh, B

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Publisher:: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Publication Type:: Journal Article
Citation:: IEEE Transactions on Cognitive Communications and Networking, 2021, 7, (3), pp. 689-701
Issue Date:: 2021-09-01

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Field	Value	Language
dc.contributor.author	Hirzallah, M
dc.contributor.author	Krunz, M
dc.contributor.author	Kecicioglu, B
dc.contributor.author	Hamzeh, B
dc.date.accessioned	2022-04-02T04:14:47Z
dc.date.available	2022-04-02T04:14:47Z
dc.date.issued	2021-09-01
dc.identifier.citation	IEEE Transactions on Cognitive Communications and Networking, 2021, 7, (3), pp. 689-701
dc.identifier.issn	2332-7731
dc.identifier.issn	2332-7731
dc.identifier.uri	http://hdl.handle.net/10453/155897
dc.description.abstract	To meet the high demand for mobile data, the Third Generation Partnership Project (3GPP) established a set of standards known as 5G New Radio (5G NR). The architecture of 5G NR includes a flexible radio access network and a core network. 3GPP has also been working on a new radio access technology, called 5G NR Unlicensed (5G NR-U), which aims at extending 5G NR to unlicensed bands. In this article, we give an overview of the most recent 5G NR-U design elements and discuss potential concerns, including fair coexistence with other unlicensed technologies such as Wi-Fi. We use simulations to study coexistence between Wi-Fi and 5G NR-U systems. Our evaluation indicates that NR-U often achieves higher throughput and lower delay than Wi-Fi (802.11ac). The two systems experience different buffer occupancies and spectrum utilization statistics. We also discuss the improvements that NR-U offers over LTE Licensed Assisted Access (LTE-LAA).
dc.language	English
dc.publisher	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
dc.relation.ispartof	IEEE Transactions on Cognitive Communications and Networking
dc.relation.isbasedon	10.1109/TCCN.2020.3041851
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	5G New Radio Unlicensed: Challenges and Evaluation
dc.type	Journal Article
utslib.citation.volume	7
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	closed_access	*
dc.date.updated	2022-04-02T04:14:44Z
pubs.issue	3
pubs.publication-status	Published
pubs.volume	7
utslib.citation.issue	3

Abstract:

To meet the high demand for mobile data, the Third Generation Partnership Project (3GPP) established a set of standards known as 5G New Radio (5G NR). The architecture of 5G NR includes a flexible radio access network and a core network. 3GPP has also been working on a new radio access technology, called 5G NR Unlicensed (5G NR-U), which aims at extending 5G NR to unlicensed bands. In this article, we give an overview of the most recent 5G NR-U design elements and discuss potential concerns, including fair coexistence with other unlicensed technologies such as Wi-Fi. We use simulations to study coexistence between Wi-Fi and 5G NR-U systems. Our evaluation indicates that NR-U often achieves higher throughput and lower delay than Wi-Fi (802.11ac). The two systems experience different buffer occupancies and spectrum utilization statistics. We also discuss the improvements that NR-U offers over LTE Licensed Assisted Access (LTE-LAA).

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http://hdl.handle.net/10453/155897