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On the application of quasi-degradation to MISO-NOMA downlink

Research output: Contribution to journalJournal article

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  • Zhiyong Chen
  • Zhiguo Ding
  • Xuchu Dai
  • George K. Karagiannidis
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<mark>Journal publication date</mark>1/12/2016
<mark>Journal</mark>IEEE Transactions on Signal Processing
Issue number23
Volume64
Number of pages16
Pages (from-to)6174-6189
Publication statusPublished
Early online date29/08/16
Original languageEnglish

Abstract

In this paper, the design of non-orthogonal multiple access (NOMA) in a multiple-input-single-output (MISO) downlink scenario is investigated. The impact of the recently developed concept, quasi-degradation, on NOMA downlink transmission is first studied. Then, a Hybrid NOMA (H-NOMA) precoding algorithm, based on this concept, is proposed. By exploiting the properties of H-NOMA precoding, a low-complexity sequential user pairing algorithm is consequently developed, to further improve the overall system performance. Both analytical and numerical results are provided to demonstrate the performance of the H-NOMA precoding through the average power consumption and outage probability, while conventional schemes, as dirty-paper coding and zero-forcing beamforming, are used as benchmarking.

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©2016 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.