Cooperative Non-Orthogonal Multiple Access in 5G Systems

Zhiguo Ding, Mugen Peng, H. Vincent Poor

Research output: Contribution to journalArticlepeer-review

1215 Scopus citations

Abstract

Non-orthogonal multiple access (NOMA) has received considerable recent attention as a promising candidate for 5G systems. A key feature of NOMA is that users with better channel conditions have prior information about the messages of other users. This prior knowledge is fully exploited in this letter, where a cooperative NOMA scheme is proposed. The outage probability and diversity order achieved by this cooperative NOMA scheme are analyzed, and an approach based on user pairing is also proposed to reduce system complexity.

Original languageBritish English
Article number7117391
Pages (from-to)1462-1465
Number of pages4
JournalIEEE Communications Letters
Volume19
Issue number8
DOIs
StatePublished - 1 Aug 2015

Keywords

  • 5G communications
  • cooperative multiple access
  • Non-orthogonal multiple access (NOMA)

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