Compact band notched ultra‐wideband antenna using the Hilbert‐curve slot

Kim, Dang Oh; Kim, Che Young; Park, Jeung Keun; Jo, Nam

doi:10.1002/mop.26348

Cited by 13 publications

(12 citation statements)

References 15 publications

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“…Impedance matching over a wide frequency range can be achieved by introducing step discontinuities. [28] Such a basic UWB monopole antenna layout is shown in Figure 1. It is realized on an FR4 substrate with dimensions of 30 Â 35 mm 2 (Ws Â Ls).…”

Section: Antenna Design and Parametric Studymentioning

confidence: 99%

“…The enlarged view of the fractal-shaped slot is illustrated in Figure 2, where L_1 = 2 Â L1 and L_2 = 2 Â L2. In the conventional Hilbert curve slot [13,28,29], the sum S of all the line segments are given by the following equation:…”

Section: Antenna Design and Parametric Studymentioning

confidence: 99%

“…[27] Later, the similar band notch behavior was obtained by using fractal-based Hilbert curve slot. [28] Further improvements came about when dual band notch were obtained by using multiple Hilbert curve slots. [29] Over the years, fractals have been successfully implemented in such antenna design.…”

Section: Introductionmentioning

confidence: 99%

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An UWB antenna using modified Hilbert curve slot for dual band notch characteristics

Karmakar¹,

Ghatak

Banerjee³

et al. 2013

Journal of Electromagnetic Waves and Applications

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A printed dual band notched ultra wideband monopole antenna with a single perturbed Hilbert curve slot is presented which exhibits 121% impedance bandwidth. A single modified Hilbert curve slot provides dual band notch characteristics in the range of 3.3-3.7 GHz (WiMAX), 3.7-4.2 GHz (C-Band), and 5.15-5.825 GHz (WLAN) which makes the notch design process simpler than other dual band notched antennas. The gain of the proposed antenna varies from 3 to 4 dBi over its operating frequency range, except at the rejection bands. Suitable radiation characteristics are obtained throughout its operating band. Simulation and measured results of the proposed antenna are in good agreement.

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Section: Antenna Design and Parametric Studymentioning

confidence: 99%

Section: Antenna Design and Parametric Studymentioning

confidence: 99%

See 1 more Smart Citation

An UWB antenna using modified Hilbert curve slot for dual band notch characteristics

Karmakar¹,

Ghatak

Banerjee³

et al. 2013

Journal of Electromagnetic Waves and Applications

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“…그러나 프랙탈(Fractal) 구조를 적용한 대역 저 지 UWB 안테나는 지금까지 단일 대역 저지 특성만 을 가지고 있었다 [4] . UWB는 펄스를 이용한 통신 방식이므로, 시간영 역에서의 펄스 왜곡 특성을 확인해야 한다.…”

Section: ⅰ 서 론 초광대역(Uwbunclassified

Design of Dual Band-Notched UWB Antenna with the Hilbert-Curve Slots

Kim¹,

Kim²

2011

The Journal of Korean Institute of Electromagnetic Engineering

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본 논문에서는 이중 대역 저지 기능을 갖는 평판형 모노폴 UWB 안테나를 제안하였다. 제안된 안테나의 대역 저지 특성은 패치 상의 1차와 3차의 힐버트 곡선 슬롯들에 의하여 구현되었다. 각 힐버트 곡선 슬롯의 크기를 조절함으로써, 3.3에서 3.7 GHz 그리고 5.3에서 6 GHz에 걸친 저지 대역을 쉽게 구현할 수 있었다. 제작된 안테 나의 VSWR과 방사 패턴을 측정하였으며, 이 결과로부터 설계된 안테나가 UWB 통신에서 사용될 수 있음을 알 수 있었다. AbstractIn this letter, a planar monopole UWB antenna with dual band-notched characteristics is proposed. The band-stop characteristics is realized by embedding the 1st/3rd order Hilbert-curve slots on the patch. With the dimension adjustment of each Hilbert-curve slots, the band rejection from 3.3 to 3.7 GHz and from 5.3 to 6 GHz can be accomplished easily. The VSWR and radiation pattern of the fabricated antenna are measured, and the proposed antenna would be adequate to a UWB applications.

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“…Various shaped slots have been implemented in the ground plane [7], and radiating patches [8][9][10][11][12], to filter out the unwanted frequency bands. Beside this slot geometry, use of split ring resonator [13], Hilbert curves [14], are another way to notch out the desired frequency band. Stretching the impedance bandwidth beyond the specified UWB range is another challenging task for any RF engineer.…”

Section: Introductionmentioning

confidence: 99%

Dual Band Notched Uwb Monopole Antenna Using Embedded Omega Slot and Fractal Shaped Ground Plane

Biswas¹,

Ghatak²,

Karmakar³

et al. 2014

PIER C

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Abstract-This paper presents the development of an Ultra Wide Band (UWB) monopole antenna with dual band notch characteristics. Modified crown-square shaped fractal slots in the ground-plane are implemented to enhance the impedance bandwidth to around 58% as compared to conventional square monopole antenna without slots. Impedance bandwidth of the proposed antenna is approximately 114% with Voltage standing wave ratio (VSWR) < 2. In addition to this, two omega-shaped (Ω) slots have been incorporated in the radiating patch to render band-notch characteristics centered at 5.5 GHz band assigned to IEEE802.11a and HIPERLAN/2 as well as X-band for satellite communication centered at 7.5 GHz band. Measured antenna gain is stable over the entire UWB region except at the notch bands. Radiation pattern of the antenna show that the proposed antenna exhibits nearly monopole like E plane radiation patterns and omni-directional H plane radiation patterns throughout the band. A fabricated prototype is developed with close agreement between simulated and measured results.

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Compact band notched ultra‐wideband antenna using the Hilbert‐curve slot

Cited by 13 publications

References 15 publications

An UWB antenna using modified Hilbert curve slot for dual band notch characteristics

An UWB antenna using modified Hilbert curve slot for dual band notch characteristics

Design of Dual Band-Notched UWB Antenna with the Hilbert-Curve Slots

Dual Band Notched Uwb Monopole Antenna Using Embedded Omega Slot and Fractal Shaped Ground Plane

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