Triple-band operation achievement via multi-input multi-output antenna for wireless communication system applications

A multi-input multi-output (MIMO) antenna is designed and discussed for multi-band applications. The constituent antennas are composed of four L-shaped elements and a ground plane. When placed beside each other to form a MIMO antenna, a T-bar shaped parasitic structure is also embedded between the a...

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Bibliographic Details
Published in:International journal of microwave and wireless technologies 2020-04, Vol.12 (3), p.259-266
Main Authors: Azari-Nasab, T., Ghobadi, CH, Azarm, B., Majidzadeh, M.
Format: Article
Language:English
Subjects:
Antennas
Communication
Design
Frequency ranges
Ground plane
Interoperability
Local area networks
Parasitic elements (antennas)
Substrates
Wireless communication systems
Wireless communications
Wireless networks
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Summary:A multi-input multi-output (MIMO) antenna is designed and discussed for multi-band applications. The constituent antennas are composed of four L-shaped elements and a ground plane. When placed beside each other to form a MIMO antenna, a T-bar shaped parasitic structure is also embedded between the antennas on the backside of the substrate to increase the inter-element isolation. The triple-band performance of the antenna is observed at 2.15–2.73 GHz, 3.1–3.9 GHz, and 5.04–6 GHz. The isolation level of more than 20 is seen over the operating frequency range. The fabricated prototype of the MIMO antenna size is very compact (20 × 40 mm), printed on the FR4 substrate. Based on simulation and experimental results, the proposed design is useful for WiMAX and WLAN applications.
ISSN:1759-0787
1759-0795
DOI:10.1017/S1759078719001302