Modulation and Multiple Access for 5G Networks

Cai, Yunlong and Qin, Zhijin and Cui, Fangyu and Li, Geoffrey and McCann, Julie (2018) Modulation and Multiple Access for 5G Networks. Communications Surveys and Tutorials, IEEE Communications Society, 20 (1). pp. 629-646. ISSN 1553-877X

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Abstract

Fifth generation (5G) wireless networks face various challenges in order to support large-scale heterogeneous traffic and users, therefore new modulation and multiple access (MA) schemes are being developed to meet the changing demands. As this research space is ever increasing, it becomes more important to analyze the various approaches, therefore, in this article we present a comprehensive overview of the most promising modulation and MA schemes for 5G networks. Unlike other surreys of 5G networks, our article focuses on multiplexing techniques, including modulation techniques in orthogonal multiple access (OMA) and various types of non-orthogonal multiple access (NOMA) techniques. Specifically, we first introduce different types of modulation schemes, potential for OMA, and compare their performance in terms of spectral efficiency, out-of-band leakage, and bit-error rate. We then pay close attention to various types of NOMA candidates, including power-domain NOMA, code-domain NOMA, and NOMA multiplexing in multiple domains. From this exploration, we can identify the opportunities and challenges that will have the most significant impacts on modulation and MA designs for 5G networks.

Item Type:
Journal Article
Journal or Publication Title:
Communications Surveys and Tutorials, IEEE Communications Society
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2200/2208
Subjects:
ID Code:
88884
Deposited By:
Deposited On:
24 Nov 2017 02:02
Refereed?:
Yes
Published?:
Published
Last Modified:
26 May 2020 06:11