Design of dual‐functional substrate‐integrated waveguide cavity with integration of filter and antennas

Niu, Bing‐Jian; Tan, Jie-Hong

doi:10.1002/mmce.22250

Cited by 3 publications

(2 citation statements)

References 19 publications

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“…6 Among them, the antenna size can be significantly reduced by using the low-order mode (half-mode, quarter-mode) SIW resonant cavity. 7 Quarter-mode (QMSIW) field distribution is nearly identical to the original SIW, and the SIW cavity can provide miniaturization by maintaining similar cavity characteristics and adopting half-mode SIW (HMSIW) and quarter-mode topologies. Compact resonant cavity antennas based on half-mode, quarter-mode, 8 and oneeighth-mode 9 have been developed.…”

Section: Introductionmentioning

confidence: 99%

“…Meanwhile, the radiation performance of the antenna is enhanced because SIW effectively reduces the surface wave loss of the antenna and binds the energy in a specific region 6 . Among them, the antenna size can be significantly reduced by using the low‐order mode (half‐mode, quarter‐mode) SIW resonant cavity 7 . Quarter‐mode (QMSIW) field distribution is nearly identical to the original SIW, and the SIW cavity can provide miniaturization by maintaining similar cavity characteristics and adopting half‐mode SIW (HMSIW) and quarter‐mode topologies.…”

Section: Introductionmentioning

confidence: 99%

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Multi‐mode substrate integrated waveguide broadband circularly polarized antenna array based on metasurface

Wang

Zhang

et al. 2022

Int J RF Mic Comp-Aid Eng

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In this paper, a multi-mode substrate integrated waveguide (SIW) broadband circularly polarized antenna array based on metasurface is designed. Firstly, a half-mode SIW and a quarter-mode SIW are formed by etching slots on the top surface of the circular SIW resonant cavity antenna respectively. While miniaturizing the antenna using the multi-mode feature, the antenna bandwidth is expanded by 5.1%. Secondly, the introduction of metasurface further enhances the overall performance of the antenna sub-array and the bandwidth is increased by 1.8% while the gain is 1 dBi. A 2 Â 2 array is designed to verify the accuracy of the design, and a sequential rotating feed network was used to enhance the circular polarization characteristics. The final antenna size is 1.04 Â 1.04 Â 0.08λ 0 , which achieves 15.4% (4.46-5.2 GHz) operating bandwidth, 9.1% (4.55-4.98 GHz) axial ratio bandwidth, and maximum gain of 11.42 dBi in the operating band. The simulated results and measured results agree well which show the validity of the design.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Multi‐mode substrate integrated waveguide broadband circularly polarized antenna array based on metasurface

Wang

Zhang

et al. 2022

Int J RF Mic Comp-Aid Eng

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A compact SIW dual-functional design with integrated filter and self-diplexing antenna

Ali,

Wajid,

Alam

et al. 2024

International Journal of Electronics

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Design and analysis of novel DGS-loaded low-pass filter with wide stopband

et al. 2023

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This article deals with design and development of a novel 7th order low-pass filter with defected ground structures for S-band applications. The proposed LPF structure was comprised of dumbbell shaped interdigital defected ground structures and open stubs as series inductor and shunt capacitor in the pass band. In addition, an equivalent circuit model was derived and optimized to achieve a 3-dB cut off frequency about 4 GHz with a reflection coefficient of better than −20 dB. Moreover, proposed low-pass filter was manufactured on a Rogers RO4003C substrate with a dielectric constant of 3.38, the dissipation factor of 0.0027. The developed LPF has a very flat pass-band with a transmission coefficient less than −0.5 dB and the measured transmission coefficient better than −18 dB in the passband (DC-3.6 GHz). Meanwhile, the prototype has a 20 dB harmonic suppression level in the frequency range from 5.54 GHz up to 43.5 GHz. Furthermore, the measured peak to peak group delay variation was less than 170 ps in the passband. The proposed filter has a very compact size of 195.3 mm2.

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Design of dual‐functional substrate‐integrated waveguide cavity with integration of filter and antennas

Cited by 3 publications

References 19 publications

Multi‐mode substrate integrated waveguide broadband circularly polarized antenna array based on metasurface

Multi‐mode substrate integrated waveguide broadband circularly polarized antenna array based on metasurface

A compact SIW dual-functional design with integrated filter and self-diplexing antenna

Design and analysis of novel DGS-loaded low-pass filter with wide stopband

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