期刊
IEEE ACCESS
卷 8, 期 -, 页码 112840-112845出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2020.3002789
关键词
Apertures; 5G mobile communication; Permittivity; Dielectrics; Dielectric resonator antennas; Reflection coefficient; Wireless communication; Aperture; modes; RDRA; VMSPs; WiMAX; WLAN; wireless communications
资金
- Egyptian Ministry of Higher Education
- Egypt-Japan University of Science and Technology, Egypt
In this study a quintuple band rectangular dielectric resonator antenna (RDRA) with a small frequency ratio and small size of 30mm x 30mm x 9.813 mm is introduced. The proposed RDRA covers the frequency bands of WLAN (2.4/5.2 GHz),WiMAX (3.5 GHz) and 5G (4.1/4.8 GHz) exploiting TE10y, TE211x, TE1 delta 1y, TE111y, and TE2 delta 1y modes, respectively. A rectangular slot aperture is optimized to serve as a resonator with resonance mode TE10y as well as to couple the electric field from microstrip line to the DRA to excite TE211x mode. Furthermore, a new feeding approach employing three vertical metallic strip pairs (VMSPs) is proposed to excite further TE1 delta 1y, TE111y, and TE2 delta 1y modes in the RDRA. The VMSPs are configured on both sides of the dielectric resonator (DR) along the y - direction to act as vertical electric current sources. The lengths, width, and positions of the VMSPs are carefully determined in order to attain the desired modes. The four RDRA modes have broadside patterns while the slot resonator mode has a pattern like a dipole. Good agreement between both measured and simulated results of the reflection coefficient, radiation pattern, and the gain is achieved.
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