Enhancing Isolation in Dual-Band Meander-Line Multiple Antenna by Employing Split EBG Structure
By Xiaohua Tan, Weimin Wang, Yongle Wu, Yuan’an Liu, Ahmed A. Kishk. IEEE Transactions on Antennas and Propagation, 2019
206 citations recorded by the source corpus.
A closely located dual-band meander-line antenna array with isolation enhancement by inserting novel split electromagnetic bandgap (EBG) uniplanar structure is proposed. The meander-line antenna is coupled to a parasitic rectangular patch to achieve the dual-band operation. Splits are applied on the surface of an EBG structure to cause decoupling at the first resonant mode and utilizing an EBG structure to decouple at the second resonant mode. The prototype of the proposed structure achieves a dual band of 180 MHz (3.42–3.6 GHz) and 400 MHz (4.7–5.1 GHz). The mutual coupling is significantly reduced by 26 and 44 dB at 3.48 and 4.88 GHz, respectively, compared to the reference antenna. In addition, the structure has high front-to-back ratio radiation characteristics.
Subfields: Aerospace Engineering, Electrical and Electronic Engineering
View Paper: https://www.semanticscholar.org/paper/6133f29941954d4fed2eaaf5624dc7eb129efacd
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Citations in the corpus
- Dual-Band Metasurface-Based Decoupling Method for Two Closely Packed Dual-Band Antennas (2020, background): “However, in [13], the spacing between the antennas is large.”
- Isolation Enhancement in Closely Coupled Dual-Band MIMO Patch Antennas (2019, unknown): “In [16], the split electromagnetic bandgap (EBG) was proposed to reduce the coupling of the first and second resonant modes”