PERFORMANCE ENHANCEMENT OF TRI-BAND MONOPOLE ANTENNA FOR WLAN/WIMAX APPLICATIONS

被引:11
作者
Wen, L. H. [1 ]
Yin, Y. Z. [1 ]
Liu, Z. Y. [1 ]
Xi, D. [1 ]
Zhang, M. [1 ]
Wang, Y. [1 ]
机构
[1] Xidian Univ, Natl Lab Antennas & Microwave Technol, Xian 710071, Shaanxi, Peoples R China
来源
PROGRESS IN ELECTROMAGNETICS RESEARCH LETTERS | 2010年 / 15卷
关键词
Directional patterns (antenna) - Bandwidth - Microwave antennas - Wireless local area networks (WLAN) - Electric impedance;
D O I
10.2528/PIERL10050606
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 novel tri-band monopole antenna applied to WLAN/WiMAX applications is proposed in this paper. The antenna comprises of two semicircles: one is fed by a microstrip line, and the other is shorted to the ground. By incorporating L-shaped strips, good filter as tri-band performance is achieved. The proposed antenna shows a good multi-band property to satisfy the requirement of WLAN in the 2.4/5.2/5.8 GHz bands and WiMAX in the 2.5/3.5/5.5 GHz bands. In addition, a near omni-directional radiation characteristic is also obtained. Experimental data show that the antenna can provide three separate impedance bandwidths of 400 MHz (centered at 2.6 GHz), 400 MHz (centered at 3.4 GHz) and 1100 MHz (centered at 5.3 GHz) with two fine notched bands at the undesired bandwidths.
引用
收藏
页码:61 / 68
页数:8
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