Mutual Coupling Reduction in Patch Antenna Arrays Using a UC-EBG Superstrate

By Hossein Sarbandi Farahani, M. Veysi, M. Kamyab, A. Tadjalli. IEEE Antennas and Wireless Propagation Letters, 2010

367 citations recorded by the source corpus.

Subfields: Aerospace Engineering, Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/24840e9ac2383dbec8ce1c0db4e7c3ca91d755a3

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In Aerospace Engineering

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Citations in the corpus

Mutual Coupling Suppression Between Two Closely Spaced Microstrip Antennas With an Asymmetrical Coplanar Strip Wall (2016, background): “For instance, the electromagnetic band-gap (EBG) structures [5]–[7] provide a solution to the mutual coupling reduction, which can be equivalent to bandstop structures.”
Dual-Layer EBG-Based Miniaturized Multi-Element Antenna for MIMO Systems (2014, methodology): “In [17], the uniplanar EBG structure was introduced in the super-substrate layer which reduced the mutual coupling by 10 dB for an inter-element distance of at 5.”
Mutual Coupling Reduction Between Planar Antennas by Using a Simple Microstrip U-Section (2012, background): “Some of the most referred methods in literature for printed antennas are using defected ground structures (DGS) [1]–[3], electromagnetic band-gap (EBG) [4], [5] structures, and parasitic elements between the antennas [6].”
A Low-Profile Decoupling Structure for Mutual Coupling Suppression in MIMO Patch Antenna (2021, background): “EM bandgap (EBG) [13]–[15], and split-ring resonator (SRR) [16].”
A Simple Decoupling Method for 5G Millimeter-Wave MIMO Dielectric Resonator Antennas (2019, methodology): “Therefore, although the decoupling methods mentioned above are effective at microwave frequencies, directly scaling these circuits up to mm-wave band is not a good way or even impractical due to the difficulties in machining the small and complicated decoupling structures [5]–[9].”
Decoupling Between Extremely Closely Spaced Patch Antennas by Mode Cancellation Method (2021, methodology): “coupling from a strong coupling status, while other decoupling methods [10], [13], [16], [19], [30] mainly focus on decoupling from a weak coupling (S21 < −10 dB) to a perfect isolation (S21 < −30 dB).”
Isolation Enhancement for MIMO Patch Antennas Using Near-Field Resonators as Coupling-Mode Transducers (2019, background): “[5] studied a uniplanar coupled EBG superstrate to reduce the E-plane mutual coupling by 10 dB for two patch elements with a smaller edge separation of 0.”
Study on isolation improvement between closely‐packed patch antenna arrays based on fractal metamaterial electromagnetic bandgap structures (2018, methodology): “055λ0 [14] UC-EBG 14 dB Narrow Yes 2 Yes 0.”
Isolation Enhancement in Patch Antenna Array With Fractal UC-EBG Structure and Cross Slot (2017, background): “Hence, many proper configurations of EBG structures have been used to reduce mutual coupling in the antenna arrays [7]–[12].”
Implementation of Slotted Meander-Line Resonators for Isolation Enhancement in Microstrip Patch Antenna Arrays (2013, background): “In [3] and [4], EBG structures that suppress the surface current are proposed to be the suitable aid for overcoming the mutual coupling effects.”
Antenna Decoupling by Common and Differential Modes Cancellation (2021, background): “Electromagnetic band gap (EBG) [15]–[17] and detected ground”
Mutual Coupling Reduction Between Very Closely Spaced Patch Antennas Using Low-Profile Folded Split-Ring Resonators (FSRRs) (2011, background): “However, the values of the backward radiation of the proposed techniques are higher than the same values in [4] and [7].”