Localization-Based OFDM Framework for RIS-Aided Systems

Fabio Saggese, Kimmo Kansanen, Petar Popovski

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

Abstract

Efficient integration of reconfigurable intelligent surfaces (RISs) into the current wireless network standard is not a trivial task due to the over-head generated by performing channel estimation (CE) and phase-shift optimization. In this paper, we propose a framework enabling the coexistence between orthogonal-frequency division multiplexing (OFDM) and RIS technologies. Instead of wasting communication symbols for the CE and optimization, the proposed framework exploits the localization information obtainable by RIS-aided communications to provide a robust allocation strategy for user multiplexing. The results demonstrate the effectiveness of the proposed approach with respect to CE-based transmission methods.

Original languageEnglish
Title of host publication2023 IEEE International Conference on Communications Workshops : Sustainable Communications for Renaissance, ICC Workshops 2023
Number of pages6
PublisherIEEE
Publication date2023
Pages1956-1961
ISBN (Print)979-8-3503-3308-4
ISBN (Electronic)979-8-3503-3307-7
DOIs
Publication statusPublished - 2023
Event2023 IEEE International Conference on Communications Workshops, ICC Workshops 2023 - Rome, Italy
Duration: 28 May 20231 Jun 2023

Conference

Conference2023 IEEE International Conference on Communications Workshops, ICC Workshops 2023
Country/TerritoryItaly
CityRome
Period28/05/202301/06/2023
SeriesIEEE International Conference on Communications Workshops (ICC Workshops)
ISSN2474-9133

Bibliographical note

Publisher Copyright:
© 2023 IEEE.

Keywords

  • OFDM
  • Reconfigurable intelligent surfaces
  • resource allocation
  • robust optimization

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