A 4-port flexible MIMO antenna with isolation enhancement for wireless IoT applications
Uktam Fakhriddinovich Azimov, Anees Abbas, Seong-Wook Park, Niamat Hussain, Nam Kim
TL;DR
This paper introduces a compact, flexible MIMO antenna with improved isolation for use in V2X wireless communication systems.
Contribution
A 4-port flexible MIMO antenna with enhanced isolation using hollow structures and stub networks for V2X applications.
Findings
The antenna achieves a bandwidth of 5.06 to 7.24 GHz with |S11| < −10 dB.
The MIMO setup provides a peak gain of 4.63 dBi and stable omnidirectional radiation.
The decoupling structures significantly reduce mutual coupling and improve diversity gain.
Abstract
This paper presents a conformal, miniaturized, and geometrically simple monopole antenna designed for Vehicle–to–Everything (V2X) communications. The antenna consists of a flexible substrate, radiating patch, ground, and metallic stubs. Meandered lines are added to the U-shaped radiator to achieve the required bandwidth of the antenna. The antenna has |S11|< −10 dB magnitude from 5.06 to 7.24 GHz, attaining a peak low magnitude of–68 dB. The antenna is configured into a 4-port Multiple–Input–Multiple–Output (MIMO) setup to minimize the mutual coupling between its elements. The proposed flexible MIMO antenna offers bandwidth from 5.37 to 7.34 GHz and a peak moderate gain of 4.63 dBi with omnidirectional stable radiation patterns. To improve the mutual coupling, two hollow concentric circular structures, in combination with a pair of stub networks are integrated between the elements of…
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Taxonomy
TopicsAcademic Publishing and Open Access · Organ and Tissue Transplantation Research · Wireless Body Area Networks