Journal
MATHEMATICS
Volume 9, Issue 17, Pages -Publisher
MDPI
DOI: 10.3390/math9172113
Keywords
compact size; UWB; monopole antenna; notch band; antennas for small devices
Categories
Funding
- Antenna and Wireless Propagation Group
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This paper presents a compact printed ultra-wideband (UWB) antenna with notching characteristics designed using a genetic algorithm. The antenna is capable of mitigating interference and demonstrates superior compactness and bandwidth.
This paper presents the design and realization of a compact printed ultra-wideband (UWB) antenna with notching characteristics for compact devices using a genetic algorithm. The antenna is capable of mitigating an adjacent sub-band ranging from 3.75 to 4.875 GHz, mainly used by many applications and standards such as WiMAX, WLAN and sub-6-GHz. The notch band functionality is achieved by etching out two symmetrical slots from the pentagonal radiating element. The simulation and measured results demonstrate that the proposed antenna overperformed compared with state-of-the-art antennas in terms of compactness with an overall size of 20 mmx15 mmx0.508 mm. Moreover, the proposed design shows a large bandwidth in the UWB region with a fractional bandwidth of 180% with respect to the center frequency of 5.25 GHz. The antenna also presents omnidirectional radiations all over the operation band and a good return loss performance.
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