期刊
INTERNATIONAL JOURNAL OF ELECTRONICS
卷 99, 期 9, 页码 1323-1331出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/00207217.2012.669717
关键词
dielectric resonator antenna; dual band dielectric resonator antenna; slot antenna
The proposed technique is an integration of a slot antenna and a dielectric resonator antenna (DRA). This is designed without compromising miniaturisation and efficiency. It is observed that the integration of slot and dielectric structure itself may be merged to achieve extremely wide bandwidth over which the antenna polarisation and radiation pattern are preserved. Here the effect of slot size on the radiation performance of the DRA is studied. The antenna structure is simulated using the CST software. The simulated results are presented and compared with the measured result. This DRA has a gain of 7.1 and 6.3 dBi at 5.7 and 8.1 GHz, respectively, its 10 dB return impedance bandwidth of nearly 4.5% and 5.5% at two resonating frequencies. A total of 98% efficiency has been achieved from the configuration. It is shown that the size of the slot can significantly affect the radiation properties of the DRA and there are good agreements between simulation and measured results.
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