On the Performance of Opportunistic NOMA in Downlink CoMP Networks

Yue Tian, Andrew Nix, Mark Beach

Research output: Contribution to journalArticle (Academic Journal)peer-review

48 Citations (Scopus)
450 Downloads (Pure)

Abstract

In this letter, an opportunistic NOMA (ONOMA) scheme is proposed in Coordinated Multi-Point (CoMP) system. Compared with the conventional joint-transmission (JT) NOMA in CoMP, the main purpose of the ONOMA scheme is to advance the capability of the CoMP system and the effectiveness of the successive-interference-cancellation (SIC) decoding process. The relationship between the topology of the ONOMA cells and the sum-rate of CoMP network is analysed. Meanwhile, the outage probability of ONOMA system is derived and evaluated in ideal case and non-ideal case respectively. In the numerical results, the sum-rate and the outage performance of the proposed ONOMA CoMP are compared with the JT-NOMA CoMP and it is shown that the proposed ONOMA scheme outperforms the conventional JT-NOMA scheme in CoMP system.
Original languageEnglish
Pages (from-to)998-1001
Number of pages4
JournalIEEE Communications Letters
Volume20
Issue number5
Early online date23 Mar 2016
DOIs
Publication statusPublished - 9 May 2016

Keywords

  • Non-orthogonal multiple access
  • coordinated multi-point system
  • joint transmission
  • opportunistic transmission

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