Compact microstrip-line-fed ring monopole antenna with tuning strip for 5 GHz WLAN operation

Author

Liu, W.-C.

Author_Institution

Dept. of Aeronaut. Eng., Nat. Formosa Univ., Yunlin, Taiwan

Volume

41

Issue

15

fYear

2005

fDate

7/21/2005 12:00:00 AM

Firstpage

831

Lastpage

832

Abstract

A novel compact and simple microstrip monopole antenna for 5 GHz wireless local area network (WLAN) operation is proposed. To excite a resonant mode in the operating band, a tuning strip is added to the antenna, which consists of a rectangular ring microstrip and a top loaded vertical strip, and is fed by a 50 Ω microstrip line. The effects of the added strip to the impedance matching have been studied. A constructed prototype of the proposed antenna has been tested and bandwidth of about 930 MHz ranging from 5.03 to 5.96 GHz, monopole-like radiation pattern, and average gain of greater than 2.6 dBi over the operating band have been obtained.

Keywords

antenna feeds; antenna radiation patterns; impedance matching; microstrip antennas; monopole antennas; wireless LAN; 5 GHz; 5.03 to 5.96 GHz; 50 ohm; 930 MHz; WLAN; compact microstrip-line-fed ring monopole antenna; impedance matching; microstrip monopole antenna; monopole-like radiation pattern; rectangular ring microstrip; top loaded vertical strip; tuning strip; wireless local area network operation;

fLanguage

English

Journal_Title

Electronics Letters

Publisher

iet

ISSN

0013-5194

Type

jour

DOI

10.1049/el:20052061

Filename

1487732