Bandwidth enhancement of a slot antenna with an open stub

Kim, Jae Hee; Ahn, Chi‐Hyung; Chun, Joong-Chang

doi:10.1002/mop.30951

Cited by 7 publications

(14 citation statements)

References 9 publications

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“…On the other hand, they have a number of disadvantages, the most significant of which are low gain and limited bandwidth. As a result, numerous antenna researchers have made significant attempts to alleviate these limitations, such as by increasing bandwidth: increasing the thickness of the substrate [22], using stub [23], negative capacitor/inductor [24], Non-Foster Matching Circuit [25], and defected ground structures [26], magneto-dielectric substrates [27], electromagnetic band-gap (EBG) structures [28], and metamaterial resonators [29], using fractal geometries [30], and cavity backing [31]. The ever-increasing demand for wireless applications that deliver high-quality content to a large number of users simultaneously has resulted in a massive increase in data volume, which has resulted in a spectrum shortage in the microwave band, causing networks to become congested.…”

Section: Introductionmentioning

confidence: 99%

Design and simulation of a novel miniaturized printed antenna with ultra-wideband and high gain for millimeter-wave wireless applications

2023

IJETER

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The goal of this work is to create a new patch antenna array with a standard gain, broadband, unidirectional radiation pattern, and high efficiency, making it a viable contender for millimeter-wave wireless applications. This study begins with a simple single-patch antenna that has four key components to provide effective matching and a wide impedance bandwidth: elliptical lateral edges, vertical stubs, slots expressed in concavity, and notches. The ground plane was defect-free, and the patch was printed on a Rogers RT5880 substrate. The performance of the proposed antenna can be improved using array topologies of 1×2 and 2×2 patches, for which a corporate feed network was built for excitation. The suggested 2×2 array antenna with a compact size of 18x16.1 mm2 achieved a gain of 13.8 dB, 92% efficiency, a return loss of-34.8 dB, and an ultra-wide bandwidth of 12.2 GHz (ranging from 39.9 to 52.1GHz) at a resonant frequency of 43.2. It’s a novel compact 2×2 array antenna appropriate for miniature devices is suggested using CST studio software, which gathers all qualities together, including high-gain, radiation efficiency, and ultra-wideband. The planned antenna operating frequency range runs from 27 to 58 GHz, which encompasses multiple frequency bands, such as V, Q, and Ka.

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Section: Introductionmentioning

confidence: 99%

Design and simulation of a novel miniaturized printed antenna with ultra-wideband and high gain for millimeter-wave wireless applications

2023

IJETER

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“…Moreover, antenna array of broadband and wideband is also designed using different geometries for covering 5G bands 20–22 . Another antenna array of 5G coverage is designed using graphene materials 23 resonating at 3.51 GHz while stub‐ and slot‐loaded antenna for 2.4 GHz frequency using FR‐4 is presented for enhancing bandwidth 24 . Furthermore, another low‐profile antenna having two radiating patches with shorting pin is presented for bandwidth enhancement and minimized cross‐polarization 25 .…”

Section: Introductionmentioning

confidence: 99%

Equivalent circuit model‐based design and analysis of microstrip line fed electrically small patch antenna for sub‐6 GHz 5G applications

Verma,

Priya,

Singh

et al. 2023

Int J Communication

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SummaryIn this paper, an equivalent circuit model‐based electrically small patch antenna is designed for sub‐6 GHz 5G application (3.5 GHz) using 50‐Ω microstrip line feed. The overall size of the proposed antenna is 0.33λ0 × 0.4λ0 × 0.019λ0 (28 × 34 × 1.6 mm3) at 3.50 GHz frequency. The proposed antenna has a tilted Y‐shape slot, two rectangular shape slots, and two rectangular shape notches in the radiating patch. The proposed antenna is resonating from 3.21 to 3.74 GHz covering the entire sub‐6 GHz 5G band (3.3–3.8 GHz). The impedance bandwidth (simulated) of the proposed antenna has been obtained 530 MHz resonating at 3.50 GHz frequency. The good return loss of −23.62 dB is also obtained at 3.50 GHz resonant frequency. The simulation results and geometry of the proposed antenna are validated with equivalent circuit model and experimental measurement of prototype antenna using vector network analyzer (VNA) and anechoic chamber. In the whole operating frequency range, the measured findings show reasonable agreement with the simulated ones. The measured impedance bandwidth of the proposed antenna has been obtained 480 MHz (3.21–3.69 GHz) resonating at 3.48 GHz frequency with a return loss of −21.61 dB, while the theoretical impedance bandwidth of the proposed antenna has been obtained 720 MHz (3.18–3.90 GHz) resonating at 3.58 GHz frequency with a return loss of −21.5 dB. The peak gain of 3.39 (simulated) and 3.2 dB (measured) is obtained at 3.50 GHz frequency. Moreover, the antenna shows 97% (simulated) and 95% (measured) efficiency at 3.50 GHz frequency.

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“…Slot structures are commonly used to achieve bandwidth enhancement in multiband printed antennas. Traditional slot fractal shapes and other structures have been effectively used to design antennas with and multiband for a variety of wireless applications [3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19]. Sze et al [7] suggested a low profile dual-band Annular Ring Slot Antenna (ARSA) for the use in 2.4/5 GHz (WLANs).…”

Section: Introductionmentioning

confidence: 99%

Compact Multiband Microstrip Printed Slot Antenna Design for Wireless Communication Applications

Hammas¹,

Hasan²,

Jalal

2020

AEM

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In this paper, a compact multiband printed antenna is proposed to cover four resonant bands in the range of 1-6 GHz. The antenna structure is inspired from that of the classical multi-cavity magnetron resonator. The antenna comprises a slot annular ring structure in the ground plane of an Isola FR4 substrate having Ԑr = 3.5 and thickness h=1.5 mm. The outer circle of the annular ring is loaded with radial arranged small circular slots. On the opposite side of the substrate, the antenna is fed with a 50-Ohm microstrip line. To investigate the effect of different antenna elements on the antenna performance, a parametric study is conducted. The antenna is simulated, fabricated, and measured. The simulated 10 dB return loss bandwidths for the four resonant bands are 35% (1.53–2.11GHz), 14% (2.9–3.34GHz), 12% (4.2–4.75GHz), and 9% (4.94–5.39GHz), respectively. Thus, the antenna is a proper candidate for many in use bands of wireless systems (1.65, 3.14, 4.44, 5.24 GHz), including LTE-FDD, GNSS, GSM-450, W-CDMA/HSPA/k, 802.11a, and IEEE 802.11ac WLAN. The results indicate that the designed antenna has quad-band resonant responses with substantial frequency ratios of f4/f3, f3/f2 and f2/f1. Besides, the antenna offers reasonable radiation characteristics with a gain of 2.5, 4.0, 6.2, and 4.2 dBi, throughout the four resonant bands.

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Bandwidth enhancement of a slot antenna with an open stub

Cited by 7 publications

References 9 publications

Design and simulation of a novel miniaturized printed antenna with ultra-wideband and high gain for millimeter-wave wireless applications

Design and simulation of a novel miniaturized printed antenna with ultra-wideband and high gain for millimeter-wave wireless applications

Equivalent circuit model‐based design and analysis of microstrip line fed electrically small patch antenna for sub‐6 GHz 5G applications

Compact Multiband Microstrip Printed Slot Antenna Design for Wireless Communication Applications

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