Planar Yagi-Uda Antenna Array Based on Split-Ring Resonators (SRRs)

Pau Aguila, Simone Zuffanelli, Gerard Zamora, Ferran Paredes, Ferran Martin, Jordi Bonache

Research output: Contribution to journalArticleResearchpeer-review

11 Citations (Scopus)


© 2002-2011 IEEE. A novel planar Yagi-Uda antenna is presented in this letter. The proposed antenna uses electrically small resonators as radiating elements that behave as short electric dipoles. Its radiation pattern, gain, front-to-back ratio, and efficiency are maintained close to that of a Yagi-Uda antenna of stacked half-wavelength dipoles. However, its physical dimensions are considerably reduced. The choice of the resonant particle and its radiation properties, along with the antenna structure, are discussed. Simulated results show a good impedance matching (-29 dB) at the working frequency of 5.5 GHz for a 15-elements antenna, as well as a high gain (11.5 dBi). These characteristics are experimentally validated and compared to that of other Yagi-Uda designs from the literature.
Original languageEnglish
Article number7744465
Pages (from-to)1233-1236
JournalIEEE Antennas and Wireless Propagation Letters
Publication statusPublished - 1 Jan 2017


  • Electrically small resonators
  • endfire array
  • front-to-back ratio (FBR)
  • gain
  • planar Yagi-Uda antenna


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