Improved analysis method for broadband rectangular microstrip antenna geometry using E-plane gap coupling

Cho, Y.K.; Son, Guk-Jin; Chae, Gyoo‐Soo; Yun, Lin; Hong, Jae Pyo

doi:10.1049/el:19931269

Cited by 6 publications

(5 citation statements)

References 1 publication

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“…Though the slot‐loading method in Section 2 has been proven to be effective, the E ‐plane HPBWs at low and high frequencies still have some visible differences. To obtain more consistent radiation patterns, the shorted parasitic patches proposed in references 24–26 are further employed in this section.…”

Section: Coupled Patch Antenna With Shorted Parasitic Patchesmentioning

confidence: 99%

“…In addition, the bandwidth of patch antennas can also be widened by using a U-slot or E-shaped patch, [5][6][7] L-probe feeding, 8,9 impedance matching techniques, 10,11 and multimode operation of a single patch. [12][13][14][15] Particularly, using stacked or coplanar parasitic patches [16][17][18][19][20][21][22][23][24][25][26] has been also demonstrated to be an effective approach for wideband design of patch antennas.…”

Section: Introductionmentioning

confidence: 99%

“…Unfortunately, the in‐band gain of the antennas in references 22,23 fluctuates greatly and the radiation patterns fail to keep stable. Besides, shorted parasitic patches are employed for wideband patch antenna designs in references 24–26 but these works only concentrate on the return loss and impedance bandwidth. It has not yet been discovered the rationale on how the shorted parasitic patches have special effects on the radiation patterns.…”

Section: Introductionmentioning

confidence: 99%

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Wideband planar coupled patch antennas with enhanced radiation pattern stability

Zhang

et al. 2022

Int J RF Mic Comp-Aid Eng

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This article tries to address the unstable radiation pattern issue of the planarcoupled patch antennas with two different methods. First, characteristic mode analysis (CMA) reveals that the coupled patch antennas generate three characteristic modes with distinctive radiation patterns. A slot-loading scheme is proposed to reshape the current distribution of the higher mode and reduce its sidelobe level significantly. Then a 13.4% bandwidth with consistent radiation patterns and high gain is achieved by exciting modes 1 and 3 while suppressing unwanted modes with an aperture-coupled feeding. Second, the radiation pattern stability of the coupled patch antennas is further improved by employing shorted parasitic patches. The presented antenna can be equivalent as the same magnetic current array model under the in-phase and out-of-phase modes, and thus the radiation patterns hardly get changed. Moreover, the non-radioative nature and high radiation quality factor of the higher mode improve the radiation performance in a new principle. It not only enhances the bandwidth up to 18.5% but also results in a sharp filtering edge of gain response.

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Section: Coupled Patch Antenna With Shorted Parasitic Patchesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Wideband planar coupled patch antennas with enhanced radiation pattern stability

Zhang

et al. 2022

Int J RF Mic Comp-Aid Eng

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“…-The gap between the top of the short monopole and the short-ended quarter wavelength printed line is modeled with a π-network made with a capacitor as suggested in [10,11]. Two parallel capacitors C p1 and C p2 represent the terminal capacitances of the two microstrip sections and the serial capacitance C p represents the gap.…”

Section: Theoretical and Parametric Studiesmentioning

confidence: 99%

Low-Profile and Small Capacitively Fed VHF Antenna

Taachouche¹,

Colombel²,

Himdi³

et al. 2016

PIER Letters

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A low profile, compact antenna operating around 162 MHz with omnidirectional vertically polarized radiation is proposed. The antenna is a short monopole capacitively coupled to shortend quarter-wavelength printed line optimized at 162 MHz for Automatic Identification System (AIS) application. The antenna dimensions are less than λ/185 in height and λ/20 in lateral dimension, and the small size of antenna provides a narrow band of 0.34% and gain of −11.6 dBi. The simulated and measured results are in good agreement.

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“…These chip antennas mainly comprise a dielectric chip base, such as the ceramic, plastic, and foam bases, and radiating metal patterns printed on or embedded within the chip base. This kind of conventional chip antennas, however, is usually with a solid chip base and cannot integrate with the possible nearby electronic components such as the speaker or the lens of the embedded digital camera [10,11], etc.…”

Section: Introductionmentioning

confidence: 99%

Compact planar antennas with a parasitic shorted‐strip for dual‐band WLAN

Chae

Lim

Kim

2008

Micro & Optical Tech Letters

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Compact printed antennas with a parasitic folded shorted‐strip for dual‐band WLAN are presented. The proposed antennas are based on the parasitic shorted‐patch structure, which is a popular approach for further bandwidth improvement. According to our simulation results, two prototype antennas are manufactured and measured. The obtained antennas operate in IEEE802.11a/b/g bands (2.4–2.484 GHz and 5.15–5.35 GHz bands) and can be adapted for various portable applications. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 1124–1126, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23294

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Improved analysis method for broadband rectangular microstrip antenna geometry using E-plane gap coupling

Cited by 6 publications

References 1 publication

Wideband planar coupled patch antennas with enhanced radiation pattern stability

Wideband planar coupled patch antennas with enhanced radiation pattern stability

Low-Profile and Small Capacitively Fed VHF Antenna

Compact planar antennas with a parasitic shorted‐strip for dual‐band WLAN

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