Broadband high gain SIW ring slot antenna

Shen, Zhi; Dhwaj, Kirti; Lee, Han-Seung; Itoh, T.; Jiang, Li Jun

doi:10.1109/eumc.2015.7345829

Cited by 6 publications

(5 citation statements)

References 5 publications

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“…The designed antenna features a fairly low cross polarization level, it amounts -30dB. It is worth noting that the cross polarization level is not mentioned in [4]. Therefore, our one is considered the best till now.…”

Section: Siwss Antenna Structurementioning

confidence: 91%

“…Relative to the center of the range, the antenna has 15% bandwidth. This obtained value is considered the best among the previous values, [4] as example. On the other hand, the electric field distribution inside the cavity is depicted in Fig.…”

Section: Siwss Antenna Structurementioning

confidence: 99%

“…Circular polarization antenna is realized in [3]. Finally, antenna with 12% bandwidth is designed in [4]. Circular slot is used in all these previous designs.…”

Section: Introductionmentioning

confidence: 99%

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Broadband high gain SIW cavity square slot antenna for X-band applications

Taher

Farrell

2016

2016 Loughborough Antennas &Amp; Propagation Conference (LAPC)

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In this paper, square slot (SS) upheld by the substrate integrated waveguide (SIW) cavity is presented. A simple 50 Ω microstrip line is employed to feed this cavity. Then slot matched cavity modes are coupled to the slot and radiated efficiently. The proposed antenna features the following structural advantages, compact size, light weight and easy low cost fabrication. Concerning the electrical performance, it exhibits 15% impedance bandwidth for the reflection coefficient less than-10 dB and the realized gain touches 8.5 dB frontier.

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Section: Siwss Antenna Structurementioning

confidence: 91%

Section: Siwss Antenna Structurementioning

confidence: 99%

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Broadband high gain SIW cavity square slot antenna for X-band applications

Taher

Farrell

2016

2016 Loughborough Antennas &Amp; Propagation Conference (LAPC)

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“…A circularly polarized 4x4 array on SIW technology is presented in [12]. A dual polarized 8x8 SIW antenna operating at 60GHz is designed with triple layer in [13].A dual mode SIW ring slot is uses to unveil the TE102 mode in the cavity [14]. A high gain dual polarized CBSIW shorted annular patch antenna is proposed for X-band operation in [15].…”

Section: Introductionmentioning

confidence: 99%

High Gain Cavity Backed SIW Array Antenna for Microwave Communications

Kishore¹

2021

Preprint

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A high gain 4-element Cavity Backed Substrate Integrated Waveguide (CBSIW) based antenna is proposed in this paper. The combination of low loss SIW cavities with quarter wave transformer based transmission line power divider can enhance the gain and power efficiency of the CBSIW antenna. A bow-tie shaped slot is located on rectangular shaped SIW cavity with optimum dimensions to form each element. The feed network is constructed with two quarter wave T-junction power dividers connected back-to-back to accomplish the impedance matching and optimum power distribution to the elements. The proposed CBSIW antenna exhibits a high gain of 21.9dBi with 82% of efficiency on low cost FR4 epoxy substrate. The measured results agree with simulated results obtained from commercial HFSS full-wave electromagnetic solver.

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“…Ring slot SIW cavity‐backed antennas were also investigated in the literature. In [15, 16], a square and an annular slot on a rectangular cavity are investigated and show a bandwidth of 15% with 8 dBi of gain for the square slot, and 12% bandwidth with 7 dBi of gain for the annular slot. Both antennas use TE 102 mode.…”

Section: Introductionmentioning

confidence: 99%