Single-Layer Dual-/Tri-Band SIW Filtenna Based on Multifunctional Cavity-Backed Slots

Zheng, Zhirui; Li, Daotong; Tan, Xiaoheng; Chen, Qiang

doi:10.1109/tap.2023.3242110

Cited by 14 publications

(6 citation statements)

References 21 publications

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“…The proposed STA achieves an ultracompact size, high isolation, and excellent realized gain, according to the table. The proposed STA has a smaller footprint area than those in [2,5,7,10,11,[25][26][27]. Furthermore, the suggested STA is 50% smaller than the most compact STA reported in [27], and there is no significant difference in the realized gains.…”

Section: Discussionmentioning

confidence: 86%

“…Furthermore, the suggested STA is 50% smaller than the most compact STA reported in [27], and there is no significant difference in the realized gains. The proposed STA has a minimum port isolation of 32.4 dB across all bands, which is greater than the isolation level obtained in previously documented antennas [2,5,7,10,11,[25][26][27]. It should be mentioned that the proposed STA includes a lumped-circuit model to analyze the antenna's working principle, whereas, with the exception of [26], no lumped-circuit model was provided for antenna analysis in [2,5,7,10,11,25,27].…”

Section: Discussionmentioning

confidence: 87%

“…(a) (b) the exception of [26], no lumped-circuit model was provided for antenna analysis in [2,5,7,10,11,25,27]. These findings indicate that the proposed STA is potentially more attractive for use in triband wireless communication networks.…”

Section: Fabrication Measurement and Results Discussionmentioning

confidence: 99%

“…Therefore, current research has focused on creating multiband antennas, with monopole-, slot-, and SIW-based structures being the most prevalent architectures [2][3][4][5][6][7][8][9][10][11]. A rectangular monopole truncated patch loaded with a U-shaped slot was employed for the design of a tri-band millimeter-wave antenna in [2].…”

Section: Introductionmentioning

confidence: 99%

“…A triband dualpolarized antenna was constructed by using cross-shaped slots and L-shaped slots in [5]. A triband antenna was developed based on a substrate-integrated waveguide (SIW) loaded with a pair of open-loop slots in [7]. In [8], a triband antenna was realized on a half-mode SIW loaded with multiple slots.…”

Section: Introductionmentioning

confidence: 99%

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Ultracompact SIRC-Based Self-Triplexing Antenna with High Isolation

Barik

Koziel

2023

Electronics

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An ultracompact self-triplexing antenna realized on a substrate-integrated rectangular cavity (SIRC) is discussed in this study. The proposed structure employs two L-shaped slots and an inverted U-shaped slot to radiate at three independent operating frequency bands. Three 50-ohm microstrip feed lines were used to excite the radiation in these slots. The operating frequency was individually tuned using the slot size. The slot placement and size were designed having in mind considering obtaining one or more frequency bands below the SIRC cutoff frequency, which had the advantage of enabling an ultracompact size. High port isolation was achieved by applying one of the ports orthogonally to the two remaining ones, which created a weak cross-coupling channel. A lumped-circuit model was created to examine the antenna operation. The presented design has been prototyped and experimentally validated with the measured operating frequencies of 1.92 GHz, 4.43 GHz, and 5.25 GHz for GSM, 5G, and WLAN applications, respectively. The port isolations are better than 32.4 dB according to both EM simulations and measurements. Meanwhile, the measured realized gain of the antenna is better than 4.3 dBi at all bands.

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Section: Discussionmentioning

confidence: 86%

Section: Discussionmentioning

confidence: 87%

Section: Fabrication Measurement and Results Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Ultracompact SIRC-Based Self-Triplexing Antenna with High Isolation

Barik

Koziel

2023

Electronics

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A Circularly Polarized Filtering Patch Antenna Based on Parasitic Patches With Slots

Mao,

Zhou,

Zhang

et al. 2024

Micro & Optical Tech Letters

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A circularly polarized (CP) filtering patch antenna based on parasitic patches with slots is presented. The structure consists of one CP feeding network, one driven patch, and two parasitic patches. Two radiation nulls (RNs) are caused when the parasitic patches with slots are introduced, and the locations of RNs could be controlled by the slot length. Besides, the impedance bandwidth and axial ratio (AR) bandwidth are both improved compared to the antenna without parasitic patches. A prototype is fabricated and measured. The impedance bandwidth is 14.9% (3.42–3.97 GHz), and the 3‐dB AR bandwidth is 8.9% (3.53–3.86 GHz). The realized gain at center frequency of 3.70 GHz is high up to 8.1 dBiC. Two radiation nulls at 2.95 and 4.55 GHz are generated. The proposed CP filtering antenna has the advantages of simple structure and easy fabrication, and can be a promising choice for wireless communications.

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Co-simulations of High-Frequency Electromagnetic Fields (HFEMFs)

Tong,

2024

Co-Simulations of Microwave Circuits and High-Frequency Electromagnetic Fields

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Single-Layer Dual-/Tri-Band SIW Filtenna Based on Multifunctional Cavity-Backed Slots

Cited by 14 publications

References 21 publications

Ultracompact SIRC-Based Self-Triplexing Antenna with High Isolation

Ultracompact SIRC-Based Self-Triplexing Antenna with High Isolation

A Circularly Polarized Filtering Patch Antenna Based on Parasitic Patches With Slots

Co-simulations of High-Frequency Electromagnetic Fields (HFEMFs)

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