Compact fractal antenna circularly polarised radiation for Wi-Fi and WiMAX communications

Research output: Contribution to journalArticle

Abstract

A novel antenna design was configured via a five-stage process. At each stage, a new modified square patch with a half size of that used in the previous stage was added to shape the dual fractal-structure antenna. The antenna had measured dual operating bands (2.4-2.65 and 4.8-6.4 GHz) that meet the specifications of the wireless fidelity (Wi-Fi) and worldwide interoperability for microwave access (WiMAX) applications. The structure of the antenna was carefully analysed to achieve an axial ratio bandwidth of 3 dB, which was ~35% of the first operating band and 30% of the second operating band. Right-hand and left-hand circular polarisations were achieved by switching the inputs. The proposed antenna can be used with portable communication devices because of its compact size (18 × 18 × 0.8 mm3) and maximum efficiency (85%) compared with other related antennas.

Original languageEnglish
Pages (from-to)2218-2224
Number of pages7
JournalIET Microwaves, Antennas and Propagation
Volume12
Issue number14
DOIs
Publication statusPublished - 28 Nov 2018

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Fractals
Antennas
Radiation
Communication
Wimax
Circular polarization
Specifications
Bandwidth

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

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title = "Compact fractal antenna circularly polarised radiation for Wi-Fi and WiMAX communications",
abstract = "A novel antenna design was configured via a five-stage process. At each stage, a new modified square patch with a half size of that used in the previous stage was added to shape the dual fractal-structure antenna. The antenna had measured dual operating bands (2.4-2.65 and 4.8-6.4 GHz) that meet the specifications of the wireless fidelity (Wi-Fi) and worldwide interoperability for microwave access (WiMAX) applications. The structure of the antenna was carefully analysed to achieve an axial ratio bandwidth of 3 dB, which was ~35{\%} of the first operating band and 30{\%} of the second operating band. Right-hand and left-hand circular polarisations were achieved by switching the inputs. The proposed antenna can be used with portable communication devices because of its compact size (18 × 18 × 0.8 mm3) and maximum efficiency (85{\%}) compared with other related antennas.",
author = "Abed, {Amer T.} and {Jit Singh}, {Mandeep Singh} and Islam, {Mohammad Tariqul}",
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