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Cooperative NOMA With Incremental Relaying: Performance Analysis and Optimization
Univ Alberta, Canada.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, Faculty of Science & Engineering.
Univ Alberta, Canada.
2018 (English)In: IEEE Transactions on Vehicular Technology, ISSN 0018-9545, E-ISSN 1939-9359, Vol. 67, no 11, p. 11291-11295Article in journal (Refereed) Published
Abstract [en]

In conventional cooperative non-orthogonal multiple access (NOMA) networks, spectral efficiency loss occurs due to a half-duplex constraint. To address this issue, we propose an incremental cooperative NOMA (ICN) protocol for a two-user downlink network. In particular, this protocol allows the source to adaptively switch between a direct NOMA transmission mode and a cooperative NOMA transmission mode according to a 1-bit feedback from the far user. We analytically prove that the proposed ICN protocol outperforms the conventional cooperative NOMA protocol. In addition, an optimal power allocation strategy at the source is studied to minimize the asymptotic system outage probability. Finally, numerical results validate our theoretical analysis. present insights, and quantify the enhancement achieved over the benchmark scheme.

Place, publisher, year, edition, pages
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC , 2018. Vol. 67, no 11, p. 11291-11295
Keywords [en]
Diversity order; incremental relaying; non-orthogonal multiple access; optimal power allocation; outage probability
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:liu:diva-153184DOI: 10.1109/TVT.2018.2869531ISI: 000449962900097OAI: oai:DiVA.org:liu-153184DiVA, id: diva2:1267276
Available from: 2018-11-30 Created: 2018-11-30 Last updated: 2019-03-22

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Mishra, Deepak
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
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  • oxford
  • Other style
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  • de-DE
  • en-GB
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  • Other locale
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Output format
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