NDLI: Performance analysis of cooperative NOMA with a shared AF relay

Content Provider	IET Digital Library
Author	Li, Yan Li, Yongzhao Chen, Yunfei Ye, Yinghui Zhang, Hailin
Abstract	Non-orthogonal multiple access (NOMA) has been proposed as a promising technique for the fifth generation wireless networks. In this study, the authors investigate the performance of a cooperative relaying scheme using NOMA (termed NOMA-AF-CRS), where two sources communicate with their corresponding destinations over the same frequency simultaneously through a shared amplify-and-forward (AF) relay. First, the closed-form approximations are derived for the outage probability. The analytical results are further evaluated in the high signal-to-noise ratio region to characterise the diversity order achieved by the system. Then, the ergodic sum capacity of NOMA-AF-CRS is analysed and an upper bound to the ergodic sum capacity is derived. Finally, simulation results are presented to verify the proposed analysis and demonstrate the advantages of NOMA-AF-CRS over the conventional orthogonal multiple access techniques.
Starting Page	2438
Ending Page	2447
Page Count	10
ISSN	17518628
Volume Number	12
e-ISSN	17518636
Issue Number	Issue 19, Dec (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/12/19
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2018.5415
Journal	IET Communications
Publisher Date	2018-08-24
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	5G Mobile Communication Amplify And Forward Communication Amplify-and-forward Relay Approximation Theory Closed-form Approximations Cooperative Communication Cooperative NOMA-AF-CRS Technique Cooperative Relaying Scheme Diversity Reception Ergodic Sum Capacity Fifth Generation Wireless Network Interpolation And Function Approximation Mobile Radio System Multi-access System Multiple Access Communication Nonorthogonal Multiple Access Technique Numerical Analysis Orthogonal Multiple Access Technique Probability Relay Network Shared AF Relay Signal-to-noise Ratio Region Statistics Telecommunication Telecommunication Network Reliability
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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