Design of a Compact Monopole Antenna for Super Wideband and 5G Applications

Owusu, Joseph; Silas, Akuffo; Donmaaye, Sangmen Elvis; Nawunzuk, Tindana Jeremiah; Loung, Vincent Yong Kai; Duah, Nana Twum

doi:10.1109/icast52759.2021.9681971

Cited by 2 publications

(1 citation statement)

References 9 publications

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“…These metrics allow the antenna to support the integration of IoT and Fifth generation communication systems in devices. These effective integration with IoT devices will prepare the human kind to communicate better during pandemic situations such as COVID-19 [16].…”

Section: Introductionmentioning

confidence: 99%

On Design of a Triple Elliptical Super Wideband Antenna for 5G Applications

Ayyappan

Patel

2022

IEEE Access

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A novel compact triple elliptical monopole antenna has been designed, analyzed and fabricated for super wideband applications. To enhance the impedance bandwidth, the author proposed a monopole antenna with a triple elliptical patch excited by a 50Ω triangular tapered microstrip feedline. Further improvement is achieved by optimally modifying the Defected Ground Structure (DGS) of the antenna. The proposed patch structure is mounted on a Roger's RT-Duroid 5880 substrate (ϵ r = 2.2, tan δ = 0.0009) and has compact physical dimensions of 27 mm × 29.5 mm. The fabricated antenna covers the frequency band from 1.91 GHz to 43.5 GHz for S 11 ≤ -10 dB with a fractional bandwidth of >183.17% and has a ratio bandwidth of 22.77:1. This extended bandwidth coverage permits the antenna to operate for wide range of application including 5G and Internet of Things (IoT). The proposed antenna has a very Bandwidth Dimension Ratio (BDR) of 5761.87 which makes it the best candidate for superwideband antenna. Far field measurements disclose an omnidirectional radiation pattern across the frequency of operation. Further, the farfield Radar Cross Section (RCS) is analyzed through simulation and it is to be noted that relatively low values are obtained through out the frequency of operation. In addition, the compactness of the proposed antenna is theoretically verified with the aid of fundamental dimension limit theorem.INDEX TERMS 5G mobile communication, Bandwidth Dimension Ratio (BDR), Fundamental dimension limit theorem, Internet of Things (IoT), Monopole superwideband antenna, Tapered feed

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Section: Introductionmentioning

confidence: 99%

On Design of a Triple Elliptical Super Wideband Antenna for 5G Applications

Ayyappan

Patel

2022

IEEE Access

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Design and Equivalent Circuit Model Extraction of a Fractal Slot-Loaded 3–40 GHz Super Wideband Antenna

Alamro,

Seet,

Wang

et al. 2024

Electronics

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In this paper, we present the design and equivalent circuit model (ECM) of a fractal slot-loaded super wideband (SWB) antenna for compact and high-performance applications operating in the 3–40 GHz range. The proposed antenna features a compact dimension of 40 × 35 × 1.57 mm³, a measured bandwidth ratio of 13:1, a peak gain of 9.7 dBi, an average radiation efficiency of 94%, and a low cross-polarization level across the entire bandwidth. The presented ECM is derived using transmission line theory and incorporates the individual behavior of each constituting element of the antenna. A dual sequential optimization approach is employed to determine the optimal element values. The ECM results show good agreement with both simulated and measured results in terms of the magnitude of reflection coefficient |S11| and both real and imaginary impedances with low mean absolute percentage errors of 4.9%, 7.5%, and 7.7%, respectively, demonstrating the model’s ability to accurately predict the antenna’s performance.

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Design of a Compact Monopole Antenna for Super Wideband and 5G Applications

Cited by 2 publications

References 9 publications

On Design of a Triple Elliptical Super Wideband Antenna for 5G Applications

On Design of a Triple Elliptical Super Wideband Antenna for 5G Applications

Design and Equivalent Circuit Model Extraction of a Fractal Slot-Loaded 3–40 GHz Super Wideband Antenna

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