MICROSTRIP ANTENNA'S GAIN ENHANCEMENT USING LEFT-HANDED METAMATERIAL STRUCTURE

被引：69

作者：

Majid, H. A. ^{[1
]}

Rahim, M. K. A. ^{[1
]}

Masri, T. ^{[1
]}

机构：

[1] Univ Teknol Malaysia, Fac Elect Engn, Skudai 81310, Johor, Malaysia

来源：

PROGRESS IN ELECTROMAGNETICS RESEARCH M | 2009年 / 8卷

关键词：

D O I：

10.2528/PIERM09071301

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：

The design, simulation and fabrication of a left-handed metamaterial (LHM) structure is presented. The combination of the modified square rectangular Split Ring Resonator (SRR) and the Capacitance Loaded Strip (CLS) were used to obtain the negative value of permeability, mu and the negative permittivity, epsilon. Nicolson-Ross-Wier approach was used to identify the double negative region. A good agreement between simulated and measured results has been achieved. Upon incorporation with a single patch microstrip antenna, the performance of the antenna was improved where the gain of the microstrip antenna was increased up to 4 dB, and its bandwidth widens from 2.9% to 4.98%. These improvements are due to the negative refraction characteristics of the LHM structure that acts as a lens when placed in front of the antenna.

引用

页码：235 / 247

页数：13

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