Design of High Gain and Broadband Antennas at 60 GHz for Underground Communications Systems

被引：17
作者：
Coulibaly, Yacouba [1 ]
Nedil, Mourad [1 ]
Talbi, Larbi [2 ]
Denidni, Tayeb A. [3 ]
机构：
[1] LRTCS UQAT, Val Dor, PQ J9P1S2, Canada
[2] UQO, Tache Gatineau, PQ J9A 1L8, Canada
[3] INRS EMT 800, Montreal, PQ H5A 1K6, Canada
来源：
INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION | 2012年 / 2012卷
基金：
加拿大自然科学与工程研究理事会;
关键词：
DIELECTRIC RESONATOR ANTENNA; SUPERSTRATE;
D O I：
10.1155/2012/386846
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A new broadband and high gain dielectric resonator antenna for millimeter wave is presented. The investigated antenna configuration consists of a periodic square ring frequency selective surfaces on a superstrate, an aperture-coupled scheme feed, an intermediate substrate, and a cylindrical dielectric resonator. This antenna is designed to cover the ISM frequency band at 60 GHz (57GHz-64GHz). It was numerically designed using CST microwave Studio simulation software package. Another prototype with a plain dielectric superstrate is also studied for comparison purposes. A bandwidth of 13.56% at the centered frequency of 61.34 GHz and a gain of 11 dB over the entire ISM band have been achieved. A maximum gain of 14.26 dB is obtained at 60GHz. This is an enhancement of 9 dB compared to a single DRA. HFSS is used to validate our antenna designs. Good agreement between the results of the two softwares is obtained. With these performances, these antennas promise to be useful in the design of future wireless underground communication systems operating in the unlicensed 60GHz frequency band.
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页数：7
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