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Enhanced radiation efficiency of electrically small microstrip antennas
Author(s) -
Tseng KuoHua,
Lee Choon Sae
Publication year - 2003
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.11127
Subject(s) - microstrip , microstrip antenna , microwave , radiation , classification of discontinuities , patch antenna , antenna efficiency , radiation pattern , discontinuity (linguistics) , antenna (radio) , electrical engineering , materials science , optoelectronics , optics , engineering , acoustics , electronic engineering , physics , telecommunications , mathematics , mathematical analysis
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