A Compact Dual-band Planar Antenna Loaded with Magneto Dielectric Ferrite

被引：1
|
作者：
Li, Yongwei [1 ]
Feng, Quanyuan [1 ]
Zheng, Zongliang [1 ]
机构：
[1] Southwest Jiaotong Univ, Sch Informat Sci & Technol, Chengdu 611756, Peoples R China
来源：
APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY JOURNAL | 2021年 / 36卷 / 12期
基金：
中国国家自然科学基金;
关键词：
dual-band; miniaturized antenna; magnetodielectric ferrite; characteristic mode analysis; planar antenna; CIRCULAR-POLARIZATION; STRIP; MIMO; WLAN;
D O I：
10.13052/2021.ACES.J.361209
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 compact dual-band planar antenna loaded with magnetodielectric ferrite is proposed for ISM/GSM/UMTS. Slot and ring structures are dual-resonant mode generators of the antenna. And the characteristic mode analysis is used for the modeling, analysis, and optimization of the proposed antenna. Because of the loading of a piece of rectangular Co2W hexaferrite medium, this antenna can be used in lower frequency bands. The electromagnetic parameters of this ferrite are measured by the transmission line method. Finally, the antenna is fabricated and measured. The operation frequency band (S11<-10 dB) is determined to be 80 MHz (890-970 MHz) and 370 MHz (1.87-2.24 GHz) with the dual resonance frequencies of 925 MHz and 2.175 GHz, respectively, which is capable for ISM (915 MHz)/GSM900/UMTS applications.
引用
收藏
页码：1579 / 1585
页数：7
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