Miniaturized microstrip meander-line antenna with very high-permittivity substrate for sensor applications

Liu Haiwen*, Shohei Ishikawa, An An, Satoshi Kurachi, Toshihiko Yoshimasu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


This article presents a compact microstrip meander-line antenna for sensor network applications in the 290 MHz band. The antenna is fed by coplanar waveguide and its dimension is 15 mm × 15 mm × 2 mm. Because of the use of a very high relative permittivity substrate (εr = 90) and meander-line structure simultaneously, the side length of the designed antenna is about λg/12 (λg is the guided wavelength) so that the circuit size is reduced greatly. Measurements verify that the proposed antenna has bandwidth of 12% at the resonant frequency of 293 MHz. Also, the radiation patterns measured at resonance frequencies are very close to omnidirectional in the E-plane.

Original languageEnglish
Pages (from-to)2438-2440
Number of pages3
JournalMicrowave and Optical Technology Letters
Issue number10
Publication statusPublished - 2007 Oct 1


  • Coplanar waveguide (CPW)-fed
  • High permittivity substrate
  • Microstrip antennas
  • Sensor applications

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering


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