Microstrip antenna phase array with electromagnetic bandgap substrate

Zeev Iluz, Reuven Shavit, Reuven Bauer

Research output: Contribution to journalArticlepeer-review

163 Scopus citations


Uniplanar compact electromagnetic bandgap (UC-EBG) substrate has been proven to be an effective measure to reduce surface wave excitation in printed antenna geometries. This paper investigates the performance of a microstrip antenna phased array embedded in an UC-EBG substrate. The results show a reduction in mutual coupling between elements and provide a possible solution to the "blind spots" problem in phased array applications with printed elements. A novel and efficient UC-EBG array configuration is proposed. A probe fed patch antenna phased array of 7 × 5 elements on a high dielectric constant substrate was designed, built and tested. Simulation and measurement results show improvement in the active return loss and active pattern of the array center element. The tradeoffs used to obtain optimum performance are discussed.

Original languageEnglish
Pages (from-to)1446-1453
Number of pages8
JournalIEEE Transactions on Antennas and Propagation
Issue number6
StatePublished - 1 Jun 2004


  • Electromagnetic bandgap (EBG)
  • Microstrip antenna phased array
  • Mutual coupling
  • Uniplanar compact electromagnetic bandgap (UC-EBG) geometry

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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