Abstract
AbstractAs 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.
Funder
Università degli Studi Mediterranea di Reggio Calabria
Publisher
Springer Science and Business Media LLC
Subject
Electrical and Electronic Engineering,Computer Networks and Communications,Information Systems
Reference29 articles.
1. Bhushan, N., Ji, T., Koymen, O., Smee, J., Soriaga, J., Subramanian, S., & Wei, Y. (2017). Industry perspectives: 5G air interface system design principles. IEEE Wireless Communications, 24(5), 6–8.
2. ITU-R (2017). Minimum requirements related to technical performance for IMT2020 radio interface(s). Report ITU-R M.2410-0.
3. Parkvall, S., Dahlman, E., Furuskär, A., & Frenne, M. (2017). 5G NR: the next generation wireless access technology. IEEE Communications Standards Magazine, 1(4), 24–30.
4. Zaidi, A., Baldemair, R., Tullberg, H., Björkegren, H., Sundström, L., Medbo, J., et al. (2016). Waveform and numerology to support 5G services and requirements. IEEE Communications Magazine, 54(11), 90–98.
5. 3GPP (2020). TS 36.211; Evolved Universal Terrestrial Radio Access (E-UTRA); Physical channels and modulation; Rel. 16. 3GPP: Sophia Antipolis Valbonne, France.
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