5G-NR Radio-and Power-Over-Fiber System Employing Multicore Fiber for Reconfigurable Metasurface Antenna Beam Steering

A. Bilal, A. Quddious, M. A. Antoniades, A. Kanno, P. T. Dat, K. Inagaki, T. Kawanishi, S. Iezekiel*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

A 5G-NR radio-over-fiber system (RoF) that also incorporates power-over-fiber (PoF) via a multicore fiber (MCF) link is used to support a reconfigurable metasurface (MSF) antenna for rapid beam steering. Optical signals for RoF-PoF are generated in a central office (CO), and transmitted to the remote antenna unit (RAU) via MCF. A reconfigurable MSF antenna has been designed to perform continuous steering of the radiated beam using indirect optical control of varactor diodes. Subsequently, a proof-of-concept 5G-NR system has been demonstrated for the sub-6 GHz band. The PoF part of the system was able to provide 0-5 V to reconfigure the MSF antenna and thus achieve total beam steering of 66°. For the RoF segment, the measured EVM values for a 64-QAM scheme vary between 2.6%-6.9% for all states.

Original languageEnglish
Pages (from-to)7260-7267
Number of pages8
JournalJournal of Lightwave Technology
Volume41
Issue number23
DOIs
Publication statusPublished - 2023 Dec 1

Keywords

  • 5G and 6G
  • 5G-NR
  • beam steering
  • metasurface antenna
  • microwave photonics
  • multicore fiber
  • power-over-fiber
  • radio-over-fiber

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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