2017
DOI: 10.26866/jees.2017.17.4.241
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The Gain Estimation of a Fabry-Perot Cavity (FPC) Antenna with a Finite Dimension

Abstract: In this paper, we have presented an equation for estimating the gain of a Fabry-Perot cavity (FPC) antenna with a finite dimension. When an FPC antenna has an infinite dimension and its height is half of a wavelength, the maximum gain of that FPC antenna can be obtained theoretically. If the FPC antenna does not have a dimension sufficient for multiple reflections between a partially reflective surface (PRS) and the ground, its gain must be less than that of an FPC antenna that has an infinite dimension. In ad… Show more

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Cited by 9 publications
(6 citation statements)
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“…Planar Fabry-Pérot cavity antennas have been widely investigated due to their high directivity, low complexity, and stability of fabrication [56][57][58][59][60][61][62][63]. However, these antennas face design challenges regarding the improvement of their low radiation efficiency and narrow 3-dB gain bandwidth, particularly those with electrically thick high permittivity substrates [64].…”
Section: Metasurface Antenna At Terahertz Frequencymentioning
confidence: 99%
“…Planar Fabry-Pérot cavity antennas have been widely investigated due to their high directivity, low complexity, and stability of fabrication [56][57][58][59][60][61][62][63]. However, these antennas face design challenges regarding the improvement of their low radiation efficiency and narrow 3-dB gain bandwidth, particularly those with electrically thick high permittivity substrates [64].…”
Section: Metasurface Antenna At Terahertz Frequencymentioning
confidence: 99%
“…The rapid development of modern wireless communication systems has increased the demand for wideband and high-gain antennas [1,2,3,4]. The log-periodic dipole array (LPDA) antenna, as a type of frequency-independent antenna, has been a popular choice in communication systems since the pioneering work of Isbell [5] due to its advantages of a wideband, high gain, and a simple antenna design.…”
Section: Introductionmentioning
confidence: 99%
“…The directivity of these antennas can be further improved by including additional structures of reflectors and directors, e.g. superstrates [8,9], cavity-back structures [10], and parasitic reflectors [11]. However, the increased directivity does not always guarantee the improvement of the reception reliability because polarisation properties of the waves, such as the axial ratio (AR) and the tilt angle (TA), vary unexpectedly due to the effects of reflection, scattering, and diffraction in multipath environments.…”
Section: Introductionmentioning
confidence: 99%