Ferrite-Loaded SIW Bowtie Slot Antenna With Broadband Frequency Tunability

Tan, Li-Rong; Wu, Rui‐Xin; Wang, Cong Yi; Poo, Yin

doi:10.1109/lawp.2014.2305431

Cited by 42 publications

(3 citation statements)

References 11 publications

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“…3(g). In this proposed work, the tunability is achieved using the mechanical tuning similar to the reported work 33 . Here, the rotation of the slot gives the frequency tuning conditions, hence obtained different frequency bands of the applications.…”

Section: Frequency Tunable (Mechanical Tuning)mentioning

confidence: 92%

“…There are mainly three methods reported in literature to achieve the tunability conditions such as tunable materials, mechanical actuation and electronic devices, respectively 31 . Some of the researchers were used the multiple parasitic strips 32 , bowtie slot 33 , fluidic stubloaded 34 , and Mechanical Actuation 35 for getting the tunability conditions.…”

Section: Introductionmentioning

confidence: 99%

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A Frequency Tunable Dielectric Resonator Antenna with Reduction of Cross Polarisation for Wi MAX and Sub 6 GHz 5G Applications

Kumar,

Chandra,

Mishra

et al. 2023

Def. Sc. J.

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A frequency Tunable (mechanical tuning) Linearly Polarized (TLP) rectangular Dielectric Resonator Antenna(DRA) coupled with a horizontal/vertical-slot and excited with circular-ring type feed is investigated in this article.The frequency tunability (mechanical tuning) is achieved by the rotation of slot at different angles of the proposedstructure. Hence, two linearly polarized antennas have been proposed for different frequency bands such as Wi-MAX and Sub-6 GHz/5G, respectively, using slot variations (named as DRA-1 and DRA-2). TE 11δ mode has been excited in both the DRAs and confirmed by orientation of electric field inside the rectangular DRA. The measured -10 dB input impedance bandwidths of DRA-1 offer 21.60 % being centered at 2.87 GHz and the separation of co-polarized and cross-polarized field levels is above -24 dB in the broadside direction (xz-plane). Whereas DRA-2 offers measured -10 dB input impedance bandwidths of 23.03% being centered at 3.56 GHz having a separation of co-polarized and cross-polarized field levels are above -23 dB in the broadside direction (xz-plane). In addition, the proposed DRA-1 and DRA-2 show a maximum gain of 5.23 dBi and 4.75 dBi in broadside direction, respectively.

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Section: Frequency Tunable (Mechanical Tuning)mentioning

confidence: 92%

Section: Introductionmentioning

confidence: 99%

A Frequency Tunable Dielectric Resonator Antenna with Reduction of Cross Polarisation for Wi MAX and Sub 6 GHz 5G Applications

Kumar,

Chandra,

Mishra

et al. 2023

Def. Sc. J.

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show abstract

“…The use of varactor diodes for redirecting surface currents, thereby allowing smooth frequency change with change in capacitance, has been reported in [11], and the use of RF PIN diodes for tuning frequency bands in [12][13][14][15]. Antenna frequency reconfigurability using RF-MEMS exhibits lower loss and higher Q factors in comparison with varactor and PIN diodes [16].…”

Section: Introductionmentioning

confidence: 99%

Design of frequency reconfigurable multiband compact antenna using two PIN diodes for WLAN/WiMAX applications

Abdulraheem

Oguntala

Abdullah

et al. 2017

IET Microwaves, Antennas & Propagation

127

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Accepted to IET MAP Journal Feb 2017 Design of Frequency Reconfigurable Multiband Compact Antenna using two PIN diodes for WLAN/WiMAX Applications Abstract:In this paper, we present a simple reconfigurable multiband antenna with two PIN diode switches for WiMAX/WLAN applications. The antenna permits reconfigurable switching in up to ten frequency bands between 2.2 GHz and 6 GHz, with relative impedance bandwidths of around 2.5% and 8%. The proposed antenna has been simulated using CST microwave studio software and fabricated on an FR-4 substrate. It is compact, with an area of 50 × 45 mm 2 , and has a slotted ground substrate. Both measured and simulated return loss characteristics of the optimized antenna show that it satisfies the requirement of 2.4/5.8 GHz WLAN and 3.5 GHz WiMAX antenna applications. Moreover, there is good agreement between the measured and simulated result in terms of radiation pattern and gain.

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Recent advances in theory and applications of substrate-integrated waveguides: A review

Sahu

Devabhaktuni

Mishra

et al. 2015

Int J RF and Microwave Comp Aid Eng

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The use of substrate integrated waveguides (SIW) for microwave and millimeter wave integrated components has increased dramatically over the last decade. They mimic the performance of conventional metallic waveguides and they are fabricated using printed circuit boards using the top and bottom metallization with two rows of vias forming the side walls. This creates a low profile, compact, and light weight alternative to conventional metallic waveguides, and they allow a direct interconnection with printed circuit boards and active components. This article reviews the fundamental theory, documents the research that has been performed over the past decade, and summarizes progress up to the recent state-of-the-art including novel SIW structures for passive circuits and antennas as well as new applications for reconfigurable and printed circuits using SIW technology.

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Ferrite-Loaded SIW Bowtie Slot Antenna With Broadband Frequency Tunability

Cited by 42 publications

References 11 publications

A Frequency Tunable Dielectric Resonator Antenna with Reduction of Cross Polarisation for Wi MAX and Sub 6 GHz 5G Applications

A Frequency Tunable Dielectric Resonator Antenna with Reduction of Cross Polarisation for Wi MAX and Sub 6 GHz 5G Applications

Design of frequency reconfigurable multiband compact antenna using two PIN diodes for WLAN/WiMAX applications

Recent advances in theory and applications of substrate-integrated waveguides: A review

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