Wideband Crescent-Shaped Slotted Printed Antenna with Radiant Circular Polarisation | Zendy

Akrem Asmeida | Zendy; Zuhairiah Zainal Abidin | Zendy; Shaharil Mohd Shah | Zendy; Muhammad Ramlee Kamarudin | Zendy; Norun Abdul Malek | Zendy; Jamel Nebhen | Zendy

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Wideband Crescent-Shaped Slotted Printed Antenna with Radiant Circular Polarisation

Author(s) -

Akrem Asmeida,

Zuhairiah Zainal Abidin,

Shaharil Mohd Shah,

Muhammad Ramlee Kamarudin,

Norun Abdul Malek,

Jamel Nebhen

Publication year - 2021

Publication title -

international journal of antennas and propagation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.282

H-Index - 37

eISSN - 1687-5877

pISSN - 1687-5869

DOI - 10.1155/2021/9975679

Subject(s) - ground plane , impedance matching , wideband , bandwidth (computing) , acoustics , patch antenna , printed circuit board , electronic engineering , engineering , microstrip antenna , electrical impedance , antenna (radio) , electrical engineering , physics , telecommunications

Producing a suitable impedance matching between the radiating element and the feedline is the prior hurdle to overcome for a wideband antenna with circular polarisation designs. This study presents a novel antenna consisting of a defected ground structure (DGS) and a crescent-slot radiating patch for broad impedance bandwidth. In addition, a narrow rectangular slot was etched on the ground plane for antenna compactness and outcomes improvement. In order to examine the reliability, two different numerical softwares were compared based on the antenna’s basic structure. Apart from this, an equivalent circuit of the proposed prototype is modelled logically using ADS 2016. The numerical results demonstrate that the impedance bandwidth was about 74.6% for < −10 dB, while the 3 dB axial ratio bandwidth greater than 53% was achieved. In the operational bandwidth of the design, good impedance matching and high efficiency were seen, which shows that this design is appropriate for modern wireless communication systems in ISM and GSM bands.

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