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- Title
Compact fractal antenna circularly polarised radiation for Wi-Fi and WiMAX communications.
- Authors
Abed, Amer T.; Jit Singh, Mandeep S.; Islam, Mohamed T.
- 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.
- Subjects
FRACTALS; WIRELESS LANs; POLARIZATION (Electricity); IEEE 802.16 (Standard); ANTENNA design
- Publication
IET Microwaves, Antennas & Propagation (Wiley-Blackwell), 2018, Vol 12, Issue 14, p2218
- ISSN
1751-8725
- Publication type
Article
- DOI
10.1049/iet-map.2018.5213