NDLI: Spatially mutual coupling reduction between CP-MIMO antennas using FSS superstrate

Content Provider	IET Digital Library
Author	Akbari, M. Ali, M. M. Farahani, M. Sebak, A. R. Denidni, T.
Abstract	A new approach to suppress mutual coupling of spatial electromagnetic fields between two circularly polarised (CP) antennas using frequency selective surface (FSS) technique around 30 GHz is presented. The transmission-type FSS layer with the CP capability is placed on the top of two closely multiple-input, multiple-output (MIMO) antennas. The study shows that the FSS layer can suppress an average of 10 dB mutual coupling between two adjacent CP-MIMO antennas. The proposed technique does not degrade the impedance and radiation performance of the antenna in comparison with the antenna without FSS layer. The two-port CP antennas are fabricated and measured to validate the simulation results. Good agreement is achieved between simulated and measured results in terms of the reflection coefficient, mutual coupling, and axial ratio.
Starting Page	516
Ending Page	518
Page Count	3
ISSN	00135194
Volume Number	53
e-ISSN	1350911X
Issue Number	Issue 8, Apr (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/53/8
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2017.0172
Journal	Electronics Letters
Publisher Date	2017-03-14
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Adjacent CP-MIMO Antenna Antenna Array Antenna Radiation Pattern Axial Ratio Circularly Multiple-input Multiple-output Polarised Antenna Frequency Selective Surface Frequency Selective Surface Superstrate FSS Superstrate Microwave Antenna Array Microwave Material MIMO Communication Mutual Coupling Suppression Radio Link And Equipment Reflection Coefficient Spatial Electromagnetic Field Spatially Mutual Coupling Reduction Transmission-type FSS Layer Two-port CP Antenna
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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