The University of Manchester Research A Survey of Non-Orthogonal Multiple Access for 5G DOI: 10.1109/COMST.2018.2835558 Document Version Accepted author manuscript Link to publication record in Manchester Research Explorer Citation for published version (APA): Dai, L., Wang, B., Ding, Z., Wang, Z., Chen, S., & Hanzo, L. (2018). A Survey of Non-Orthogonal Multiple Access for 5G. IEEE Communications Surveys and Tutorials. https://doi.org/10.1109/COMST.2018.2835558 Published in: IEEE Communications Surveys and Tutorials Citing this paper Please note that where the full-text provided on Manchester Research Explorer is the Author Accepted Manuscript or Proof version this may differ from the final Published version. If citing, it is advised that you check and use the publisher's definitive version. General rights Copyright and moral rights for the publications made accessible in the Research Explorer are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights. Takedown policy If you believe that this document breaches copyright please refer to the University of Manchester’s Takedown Procedures [http://man.ac.uk/04Y6Bo] or contact
[email protected] providing relevant details, so we can investigate your claim. Download date:10. Oct. 2021 1 A Survey on Non-Orthogonal Multiple Access for 5G Networks: Research Challenges and Future Trends Zhiguo Ding, Senior Member, IEEE, Xianfu Lei, Senior Member, IEEE, George K. Karagiannidis, Fellow, IEEE, Robert Schober, Fellow, IEEE, Jihong Yuan, Fellow, IEEE, and Vijay Bhargava, Life Fellow, IEEE Abstract—Non-orthogonal multiple access (NOMA) is an es- resource block, e.g., a time slot, a frequency channel, a sential enabling technology for the fifth generation (5G) wireless spreading code, or an orthogonal spatial degree of freedom.