Characterization of horn antenna loaded with CLL unit cell

被引：3

作者：

Lashab, Mohamed ^{[1
]}

Zebiri, Chess-Eddine ^{[1
]}

Djouablia, Linda ^{[1
]}

Belattar, Mounir ^{[1
]}

Saleh, Adham ^{[1
]}

Benabdelaziz, Fatiha ^{[1
]}

Abd-Alhameed, Read ^{[1
]}

机构：

[1] Univ Bradford, Sch Engn Design & Technol, Bradford BD7 1DP, W Yorkshire, England

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2018年 / 60卷 / 08期

关键词：

antennas; computational electromagnetics; RF design; INDEX METAMATERIAL LENS; GAIN ENHANCEMENT; DIELECTRIC LENS; DESIGN; PERMITTIVITY; PERMEABILITY; METASURFACES; RESONATORS; EFFICIENCY; FILTERS;

D O I：

10.1002/mop.31266

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：

In this paper, a pyramidal horn antenna loaded with unit cell of metamaterial is proposed, designed and realized for L-band that including terrestrial digital audio broadcasting T-DAB, GPS, and GSM. The proposed antenna operates in the frequency range from 1.722 to 1.931 GHz. The metamaterial is fabricated on a printed circuit board as Capacitive Loaded Loop (CLL). The work aims to exhibit the advantage of metamaterial loaded inside the horn antenna in terms of the gain enhancement of the radiation pattern and the resonant frequency shift toward lower frequency. The retrieval technique used show that the constitutive parameters of the unit cell as CLL have a zero index metamaterial (ZIM) from 1.34 to 1.49 GHz and a near zero index of refraction from 1.495 GHz to 2 GHz, which is within the operating frequency of the horn antenna. The achieved results show that the total gain is improved over the frequency range. The simulation and the measurement are in good agreement.

引用

页码：1847 / 1856

页数：10

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