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5G NR system design: a concise survey of key features and capabilities

Rinaldi, F, Raschella, A and Pizzi, S (2021) 5G NR system design: a concise survey of key features and capabilities. Springer Wireless Networks. ISSN 1022-0038

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As we enter a new era of next-generation wireless systems represented by Fifth Generation (5G) New Radio (NR) technology, it is essential to grasp the recent progress in their standardization and development. This article offers a concise survey of the 5G NR system design that aims at introducing its features according to the relevant Third Generation Partnership (3GPP) specifications. Our focus is set on the flexibility of 5G NR, which refers to its capability to support novel services and technologies, such as enhanced Mobile Broadband (eMBB) and Internet of Things (IoT) for massive Machine Type Communications (mMTC) while satisfying the underlying quality requirements. The key enablers of the 5G NR operation are scalable numerology, ultra-lean and beam-centric design, support for low latency, spectrum extension, and forward compatibility. This work summarizes these important features by studying the overall 5G architecture and the user-/control-plane protocol stacks specified by 3GPP. Furthermore, the impact of scalable numerology on system performance is discussed. Finally, we also consider open challenges and future research directions.

Item Type: Article
Uncontrolled Keywords: 0805 Distributed Computing, 0906 Electrical and Electronic Engineering, 1005 Communications Technologies
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
T Technology > TK Electrical engineering. Electronics. Nuclear engineering
Divisions: Computer Science & Mathematics
Publisher: Springer Science and Business Media LLC
Date Deposited: 05 Nov 2021 12:37
Last Modified: 05 Nov 2021 12:45
DOI or ID number: 10.1007/s11276-021-02811-y
URI: https://researchonline.ljmu.ac.uk/id/eprint/15746
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