Enhanced radiation efficiency of electrically small microstrip antennas

  1. Kuo-Hua Tseng,
  2. Choon Sae Lee

Article first published online: 5 AUG 2003

DOI: 10.1002/mop.11127

Issue

Microwave and Optical Technology Letters

Microwave and Optical Technology Letters

Volume 39, Issue 1, pages 62–64, 5 October 2003

Additional Information

How to Cite

Tseng, K.-H. and Lee, C. S. (2003), Enhanced radiation efficiency of electrically small microstrip antennas. Microw. Opt. Technol. Lett., 39: 62–64. doi: 10.1002/mop.11127

Author Information

  1. Electrical Engineering Department, Southern Methodist University, Dallas, Texas 75275

Publication History

  1. Issue published online: 5 AUG 2003
  2. Article first published online: 5 AUG 2003
  3. Manuscript Received: 20 FEB 2003

Funded by

  • Advanced Technology Program (ATP) of the Texas Higher Educational Coordination Board (THECB)

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Keywords:

  • microstrip antennas;
  • electrically small antennas;
  • radiation efficiency

Abstract

By inserting width discontinuities in the middle of a rectangular microstrip patch, the length of a microstrip antenna can be significantly reduced at a given operating frequency. However, as the antenna size is reduced, the radiation efficiency becomes degraded. In this paper, it is shown that the radiation efficiency is improved substantially when the single junction at each width discontinuity is replaced by multiple junctions. © 2003 Wiley Periodicals, Inc. Microwave Opt Technol Lett 39: 62–64, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.11127

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