A Survey on Non-Orthogonal Multiple Access for 5G Networks: Research Challenges and Future Trends

Zhiguo DIng, Xianfu Lei, George K. Karagiannidis, Robert Schober, Jinhong Yuan, Vijay K. Bhargava

Research output: Contribution to journalArticlepeer-review

1809 Scopus citations

Abstract

Non-orthogonal multiple access (NOMA) is an essential enabling technology for the fifth-generation (5G) wireless networks to meet the heterogeneous demands on low latency, high reliability, massive connectivity, improved fairness, and high throughput. The key idea behind NOMA is to serve multiple users in the same resource block, such as a time slot, subcarrier, or spreading code. The NOMA principle is a general framework, and several recently proposed 5G multiple access schemes can be viewed as special cases. This survey provides an overview of the latest NOMA research and innovations as well as their applications. Thereby, the papers published in this special issue are put into the context of the existing literature. Future research challenges regarding NOMA in 5G and beyond are also discussed.

Original languageBritish English
Article number7973146
Pages (from-to)2181-2195
Number of pages15
JournalIEEE Journal on Selected Areas in Communications
Volume35
Issue number10
DOIs
StatePublished - Oct 2017

Keywords

  • cooperative NOMA
  • millimeter-wave networks
  • MIMO
  • multi-carrier NOMA
  • Non-orthogonal multiple access (NOMA)

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