Characterization of dual-band circularly polarized mushroom-shaped monopole antenna with modified ground plane
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Yatendra Kumar
,
Ravi Kumar Gangwar
Abstract
In this manuscript, an antenna design configured for dual-band circularly polarized (DBCP) characteristics is presented. The proposed design is quite compact (0.63 λg × 0.63 λg × 0.04 λg) and comprises a mushroom-shaped monopole with a modified ground structure (MGS). In the proposed antenna structure, dual-band CP behavior is generated through a tunable side stub joined orthogonally with the feed patch and reshaping the wide square slot. The impedance bandwidth is measured as 2900 MHz ranging from 1.32 to 4.22 GHz in the lower frequency band (Band 1); however, 980 MHz from 4.78 to 5.76 GHz in the higher frequency band (Band 2). The 3-dB AR bandwidth is measured as 370 MHz (from 3.54 to 3.91 GHz)in the lower frequency band; whereas, it is measured as 650 MHz (from 5.07 to 5.72 GHz) in the higher frequency band. The measured gains spread from 2.5 to 8.3 dBi with a maximum gain of 8.3 dBi in the lower frequency band, whereas 4.8 to 7.05 dBi with a 7.05 dBi maximum gain in the higher frequency band, respectively. The cross-polar rejection is observed greater than 14 dB. Besides, 3-dB half-power beamwidths are seen as 86° & 84°, and 87° & 86° in the x-z and y-z planes for the lower and higher frequency bands, respectively.
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: None declared.
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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© 2022 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Research Articles
- Compact low-pass filter (LPF) with wide harmonic suppression using interdigital capacitor
- Design and analysis of a multiple notched UWB-BPF based on microstrip-to-CPW transition
- A compact S-band band-pass filter with ultra-wide stopband
- Design and fabrication of an ultra compact Gysel power divider with harmonic suppression by using U shaped resonators
- A high angle stable and polarization symmetric dual band reconfigurable frequency selective surface
- Characterization of dual-band circularly polarized mushroom-shaped monopole antenna with modified ground plane
- Novel multilayer antenna array with metamaterial structures for 5G applications
- Compact quadband two-port antenna with metamaterial cell-inspired decoupling parasitic element for mobile wireless applications
- Gain enhancement of a SIW H-plane horn antenna using of metamaterial array
- Optimized SIW antipodal Vivaldi antenna array using Fourier series equations for C-band applications
- Design and performance analysis of a compact, wideband dual polarized antenna for WLAN & WiMAX applications
- Miniaturised ultra-wideband rectangular shaped slot antenna for ground penetrating radar applications
- Performance analysis and rain attenuation modelling of RoFSO link for hilly region of India
Articles in the same Issue
- Frontmatter
- Research Articles
- Compact low-pass filter (LPF) with wide harmonic suppression using interdigital capacitor
- Design and analysis of a multiple notched UWB-BPF based on microstrip-to-CPW transition
- A compact S-band band-pass filter with ultra-wide stopband
- Design and fabrication of an ultra compact Gysel power divider with harmonic suppression by using U shaped resonators
- A high angle stable and polarization symmetric dual band reconfigurable frequency selective surface
- Characterization of dual-band circularly polarized mushroom-shaped monopole antenna with modified ground plane
- Novel multilayer antenna array with metamaterial structures for 5G applications
- Compact quadband two-port antenna with metamaterial cell-inspired decoupling parasitic element for mobile wireless applications
- Gain enhancement of a SIW H-plane horn antenna using of metamaterial array
- Optimized SIW antipodal Vivaldi antenna array using Fourier series equations for C-band applications
- Design and performance analysis of a compact, wideband dual polarized antenna for WLAN & WiMAX applications
- Miniaturised ultra-wideband rectangular shaped slot antenna for ground penetrating radar applications
- Performance analysis and rain attenuation modelling of RoFSO link for hilly region of India
