Planar Wideband Loop-Dipole Composite Antenna

Author

Wen-Jun Lu ; Wen-Hai Zhang ; Kin Fai Tong ; Hong-Bo Zhu

Author_Institution

Jiangsu Key Lab. of Wireless Commun., Nanjing Univ. of Posts & Telecommun., Nanjing, China

Volume

62

Issue

4

fYear

2014

fDate

Apr-14

Firstpage

2275

Lastpage

2279

Abstract

A novel planar wideband balanced composite antenna is presented. The proposed antenna consists of a symmetrical dipole and an antipodal loop radiator. The return loss, radiation pattern, and gain of the antenna are numerically and experimentally studied. An impedance bandwidth of 129% (20 log |S11| <; -10dB) from 3.26 to 15 GHz has been obtained. Stable end-fire radiation patterns with good polarization purity and flat gain performances are obtained across the operating frequency range. In addition, the time domain responses of the proposed antenna are investigated. The proposed antenna can be used in compact wireless devices for point-to-point applications.

Keywords

antenna radiation patterns; broadband antennas; dipole antennas; electromagnetic wave polarisation; loop antennas; microwave antennas; planar antennas; time-domain analysis; antipodal loop radiator; bandwidth 3.26 GHz to 15 GHz; compact wireless devices; planar wideband balanced composite antenna; planar wideband loop-dipole composite antenna; point-to-point applications; polarization purity; radiation pattern; return loss; symmetrical dipole antenna; time domain responses; Antenna measurements; Antenna radiation patterns; Broadband antennas; Dipole antennas; Impedance matching; End-fire radiation pattern; loop-dipole composite antenna; planar antenna; wideband antenna;

fLanguage

English

Journal_Title

Antennas and Propagation, IEEE Transactions on

Publisher

ieee

ISSN

0018-926X

Type

jour

DOI

10.1109/TAP.2014.2299820

Filename

6710132