Mohammad Alibakhshikenari
Mutual-Coupling Reduction in Metamaterial Substrate Integrated Waveguide Slotted Antenna Arrays Using Metal Fence Isolators for SAR and MIMO Applications
Alibakhshikenari, Mohammad; Virdee, Bal S.; See, Chan H.; Abd-Alhameed, Raed; Falcone, Francisco; Limiti, Ernesto
Authors
Bal S. Virdee
Dr Chan Hwang See C.See@napier.ac.uk
Associate Professor
Raed Abd-Alhameed
Francisco Falcone
Ernesto Limiti
Abstract
A new type of mutual coupling reduction technique is applied to metamaterial substrate integrated waveguide (SIW) slotted antenna array. The circular shaped reference SIW antenna array is constructed from Alumina substrate with dimensions of 40×5×1.5 mm³ . Embedded in the reference antenna are 38 slots with dimensions of 2×1×1.5mm³. The reference SIW antenna operates over X- to Ku-bands with average isolation between the radiation slots of approximately -10Db. Isolation was increased by inserting metal fence isolators (MFIs) between the radiation slots, which increased the isolation by an average of 13dB. In addition, the antenna's impedance matching bandwidth is improved with no degradation in the radiation patterns. With MFIs the maximum gain achieved improves by ~10%. The technique is simple to implement and proposed for synthetic aperture radar (SAR) and multiple input multiple output (MIMO) applications.
Citation
Alibakhshikenari, M., Virdee, B. S., See, C. H., Abd-Alhameed, R., Falcone, F., & Limiti, E. (2018). Mutual-Coupling Reduction in Metamaterial Substrate Integrated Waveguide Slotted Antenna Arrays Using Metal Fence Isolators for SAR and MIMO Applications. . https://doi.org/10.1109/metamaterials.2018.8534166
Conference Name | 2018 12th International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials) |
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Conference Location | Espoo |
Start Date | Aug 27, 2018 |
End Date | Sep 1, 2018 |
Acceptance Date | May 7, 2018 |
Online Publication Date | Nov 15, 2018 |
Publication Date | 2018-08 |
Deposit Date | May 27, 2019 |
Pages | 13-15 |
ISBN | 9781538647028 |
DOI | https://doi.org/10.1109/metamaterials.2018.8534166 |
Keywords | antenna radiation patterns , impedance matching , metamaterial antennas , microwave isolators , MIMO communication , slot antenna arrays , substrate integrated waveguides , synthetic aperture radar |
Public URL | http://researchrepository.napier.ac.uk/Output/1830607 |
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