Pattern Reconfigurable Cubic Slot Antenna

In this paper, a cubical 3D folded slot antenna array with reconfigurable radiation pattern is reported. The proposed antenna is capable of switching between omnidirectional and broadside radiation pattern. The hollow nature of the design is beneficial for applications such as wireless sensor networ...

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Bibliographic Details
Published in:IEEE access 2019, Vol.7, p.64401-64410
Main Authors: Shamsinejad, Souren, Khalid, Nabil, Monavar, Fatemeh M., Shamsadini, Shila, Mirzavand, Rashid, Moradi, Gholamreza, Mousavi, Pedram
Format: Article
Language:English
Subjects:
3D printable antenna
Antenna arrays
Antenna radiation patterns
Antennas
Circuits
cubic antenna
Directive antennas
Electronic circuits
Patch antennas
reconfigurable antenna
Reconfiguration
Slot antennas
slot array
Switches
Three dimensional printing
Wireless sensor networks
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Summary:In this paper, a cubical 3D folded slot antenna array with reconfigurable radiation pattern is reported. The proposed antenna is capable of switching between omnidirectional and broadside radiation pattern. The hollow nature of the design is beneficial for applications such as wireless sensor networks, where electronic circuits can be installed inside the antenna, producing a small overall packaged device. A robust feeding mechanism is also proposed that utilizes electronic switches to shift between the two offered radiation patterns, namely, omnidirectional and directional. A cubic prototype at 2.4 GHz having a gain of 2.85 dBi and 4.2 dBi along with input matching bandwidth of 21% and 2.7%, for the omnidirectional and broadside radiation case, respectively, has been presented. Whereas, the final antenna dimensions are 39.5\times 39.25\times 30 mm 3 . 3D and printable nature of the architecture makes the antenna a good candidate for the industry.
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2019.2917145