DocumentCode :
1396668
Title :
Enhanced bandwidth of low-profile sleeve monopole antenna for indoor base station application
Author :
Zuo, S.L. ; Yin, Ying Zeng ; Zhang, Zhenhua Yu ; Song, Kaijun
Author_Institution :
Nat. Key Lab. of Antennas & Microwave Technol., Xidian Univ., Xi´an, China
Volume :
46
Issue :
24
fYear :
2010
Firstpage :
1587
Lastpage :
1588
Abstract :
The design and enhanced bandwidth performance of a monopole antenna with a simple sleeve structure for indoor base station application is presented. Besides a top-loading circular patch shorted to the ground plane through four shorting probes for a low profile, the circular sleeve structure to effectively improve the matching condition of the upper operating frequency edge can be used for bandwidth enhancement. An enhanced impedance bandwidth of about 112% ranging from 750 to 2660 MHz (VSWR ≤ 2) is achieved, and a monopole-like conical radiation pattern is also produced. With this low profile and the widened bandwidth characteristic, it is very suitable for indoor base station applications such as GSM900, DCS1800, PCS 1900, UMTS, IMT2000, Wibro, WiMAX2350, and WLAN (IEEE802.11b).
Keywords :
antenna radiation patterns; indoor radio; microstrip antennas; monopole antennas; circular patch; conical radiation pattern; frequency 750 MHz to 2660 MHz; impedance bandwidth; indoor base station; monopole antenna; sleeve structure;
fLanguage :
English
Journal_Title :
Electronics Letters
Publisher :
iet
ISSN :
0013-5194
Type :
jour
DOI :
10.1049/el.2010.2708
Filename :
5659655
Link To Document :
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