GLOBALLY OPTIMAL BEAMFORMING FOR RATE SPLITTING MULTIPLE ACCESS

Bho Matthiesen, Yijie Mao, Petar Popovski, Bruno Clerckx

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

12 Citations (Scopus)

Abstract

We consider globally optimal precoder design for rate splitting multiple access in Gaussian multiple-input single-output downlink channels with respect to weighted sum rate and energy efficiency maximization. The proposed algorithm solves an instance of the joint multicast and unicast beamforming problem and includes multicast- and unicast-only beamforming as special cases. Numerical results show that it outperforms state-of-the-art algorithms in terms of numerical stability and converges almost twice as fast.

Original languageEnglish
Title of host publicationICASSP 2021 - 2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)
Number of pages5
Volume2021-June
PublisherIEEE
Publication date2021
Pages4775-4779
ISBN (Print)978-1-7281-7606-2
ISBN (Electronic)978-1-7281-7605-5
DOIs
Publication statusPublished - 2021
Event ICASSP 2021 - 2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) - Toronto, Canada
Duration: 6 Jun 202111 Jun 2021

Conference

Conference ICASSP 2021 - 2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)
Country/TerritoryCanada
CityToronto
Period06/06/202111/06/2021
SeriesI E E E International Conference on Acoustics, Speech and Signal Processing. Proceedings
ISSN1520-6149

Keywords

  • Energy efficiency
  • Global optimization
  • Interference networks
  • Rate splitting
  • Resource allocation

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