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3-Port MIMO DRAs for 2.4GHz WLAN Communications
Katsunori ISHIMIYA Chi-Yuk CHIU Zhinong YING Jun-ichi TAKADA
IEICE TRANSACTIONS on Communications
Publication Date: 2016/09/01
Online ISSN: 1745-1345
Type of Manuscript: PAPER
Category: Antennas and Propagation
DRA, MIMO, finite integration technique, wireless LAN, IEEE 802.11n,
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A compact multiple-input multiple-output (MIMO) dielectric resonator antenna (DRA) was proposed and studied. The DRA consists of three antenna ports. The antennas operate at 2.4GHz, where one of the antenna ports was placed at the center and resonates in the monopole mode, and the two other ports were located at the sides and resonate in the TEy111 mode. Both simulation and measurements were carried out, and reasonably good agreement was obtained. In addition, a study for miniaturization with different permittivities for the DRA and a comparison of the throughput with the reference antennas of a commercial wireless LAN router were performed. Our proposed MIMO DRA gave similar performance as that of the reference antennas but was more compact in size.