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Effective Capacity Analysis of Delay-Constrained STAR-RIS Assisted BAC-NOMA Systems
Mid Sweden University, Faculty of Science, Technology and Media, Department of Computer and Electrical Engineering (2023-).ORCID iD: 0000-0003-3717-7793
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2023 (English)In: IEEE International Conference on Communications, IEEE conference proceedings, 2023, p. 5793-5798Conference paper, Published paper (Refereed)
Abstract [en]

Targeting the delay-constrained Internet-of-Things (IoT) applications in sixth-generation (6G) networks, in this paper, we study the integration of simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) and non-orthogonal multiple access-based backscatter communication (BAC-NOMA) under statistical delay quality-of-service (QoS) requirements. In particular, we derive the closed-form expressions for the effective capacity of the STAR-RIS assisted BAC-NOMA system under Nakagami-m fading channels and energy-splitting protocol of STAR-RIS. Our simulation results demonstrate the effectiveness of STAR-RIS over the conventional RIS (C-RIS) and show an excellent correlation with analytical results, validating our analysis. The results reveal that the stringent QoS constraint degrades the effective capacity; however, the system performance can be improved by increasing the STAR-RIS elements and adjusting the energy-splitting coefficients. Finally, we determine the optimal pair of power reflection coefficients subject to the per-BSN effective capacity requirements. 

Place, publisher, year, edition, pages
IEEE conference proceedings, 2023. p. 5793-5798
Keywords [en]
Backscatter communication (BackCom), effective capacity, non-orthogonal multiple access (NOMA), simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS)
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:miun:diva-50106DOI: 10.1109/ICC45041.2023.10279063ISI: 001094862605147Scopus ID: 2-s2.0-85178316277ISBN: 9781538674628 (print)OAI: oai:DiVA.org:miun-50106DiVA, id: diva2:1819357
Conference
IEEE International Conference on Communications
Available from: 2023-12-13 Created: 2023-12-13 Last updated: 2024-03-08Bibliographically approved

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Mahmood, AamirGidlund, Mikael

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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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  • en-US
  • fi-FI
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