Tiled Subarray Design for Multibeam Joint Communication and Sensing

Hadi Alidoustaghdam*, André Kokkeler, Yang Miao

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

The multibeam technology is a promising solution for joint communication and sensing (JCAS) in a base station (BS). Tiling of apertures with rectangular, hexagonal, and circular boundaries is studied which improves cost-efficiency, modularity, and scalability of the design. The optimization of tiling configuration considers the matching of the communication channel and the ambiguity function of sensing before and after tiling. The performance metrics are the capacity for communication and the maximum side lobe level (MSLL)s of the array radiation pattern for sensing. The numerical results show that the tiling of various apertures with 64 antennas does not influence the capacity of communication largely. Only-communication, only-sensing, and JCAS apertures are compared in regard to the MSLL, where the aperture for only-sensing has the lowest MSLL without deteriorating the capacity of communication. The metrics show the tiled aperture with a hexagonal boundary has the best JCAS performance.

Original languageEnglish
Title of host publication18th European Conference on Antennas and Propagation, EuCAP 2024
PublisherIEEE
Number of pages5
ISBN (Electronic)9788831299091
DOIs
Publication statusPublished - 26 Apr 2024
Event18th European Conference on Antennas and Propagation, EuCAP 2024 - Scottish Event Campus (SEC), Glasgow, United Kingdom
Duration: 17 Mar 202422 Mar 2024

Conference

Conference18th European Conference on Antennas and Propagation, EuCAP 2024
Country/TerritoryUnited Kingdom
CityGlasgow
Period17/03/2422/03/24

Keywords

  • 2024 OA procedure
  • array tiling
  • joint communication and sensing
  • multibeam
  • 6G

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