Angle-Dependent Mutual Coupling in Antenna Arrays by Electromagnetic Modelling of Sub-Volumes

Ricard L. Grove*, Poul Leth-Espensen*, Jørgen Dall*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review


The mutual coupling in antenna arrays for Multiple-Input Multiple-Output (MIMO) radar is calculated using the far-field of specified sub-volumes in the antenna array structure. The far-field calculations are based on full wave simulations in CST Microwave studio using the transient solver. In this way the far-field radiation can be simulated from specified parts of the antenna structure. Based on these simulations, 3-dimensional mutual coupling coefficients can be estimated, and are in turn compared to an existing method estimating the mutual coupling matrix, which is not angle-dependent.
Original languageEnglish
Title of host publicationProceedings of the 17th European Radar Conference (EuRAD)
Publication date2021
ISBN (Electronic)978-2-87487-061-3
Publication statusPublished - 2021
EventEuropean Radar Conference (EURAD) - Utrecht, Netherlands
Duration: 10 Jan 202115 Jan 2021


ConferenceEuropean Radar Conference (EURAD)
City Utrecht


  • Mutual coupling
  • Antenna array
  • CST simulations


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