Low-cost broadband millimetre-wave array antenna using waveguide/microstrip feed network and slot pair

S. S. Oh, J. Heo, D. H. Kim, J. W. Lee, M. S. Song, Young Sik Kim

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A low-cost broadband millimetre-wave planar 30 × 30 array antenna is presented. The antenna is fed by a microstrip feed network in the H-plane to decrease fabrication costs, and a waveguide feed network in the E-plane to reduce the feed line loss. The waveguide and microstrip feed network are coupled through the proposed slot pair. The slots arc placed one quarter of a guided-wavelength distance apart, so that the reflected waves from the slots cancel each other. A conductive bar is laid above the slots to increase the coupling, which increases the antenna gain by about 1 dBi. The maximum gain is 30.5 dBi at 41.5 GHz. The measured bandwidth is as broad as 7.1%.

Original languageEnglish
Pages (from-to)1389-1391
Number of pages3
JournalElectronics Letters
Volume40
Issue number22
DOIs
Publication statusPublished - 2004 Oct 28

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Antenna feeders
Antenna arrays
Millimeter waves
Waveguides
Costs
Antennas
Telephone lines
Bandwidth
Fabrication
Wavelength

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Low-cost broadband millimetre-wave array antenna using waveguide/microstrip feed network and slot pair. / Oh, S. S.; Heo, J.; Kim, D. H.; Lee, J. W.; Song, M. S.; Kim, Young Sik.

In: Electronics Letters, Vol. 40, No. 22, 28.10.2004, p. 1389-1391.

Research output: Contribution to journalArticle

Oh, S. S. ; Heo, J. ; Kim, D. H. ; Lee, J. W. ; Song, M. S. ; Kim, Young Sik. / Low-cost broadband millimetre-wave array antenna using waveguide/microstrip feed network and slot pair. In: Electronics Letters. 2004 ; Vol. 40, No. 22. pp. 1389-1391.
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