AMC-based planar antenna with low-profile and broad CP beamwidth

IEICE Electronics Express

Jiadong Lin¹  Zuping Qian¹  Wenquan Cao¹ 

[1] College of Communications Engineering, PLA University of Science and Technology

关键词: artificial magnetic conductor (AMC);    broad CP beamwidth;    low-profile;    microstrip antenna;   

DOI  :  10.1587/elex.14.20170473

学科分类：电子、光学、磁材料

来源: Denshi Jouhou Tsuushin Gakkai

【 摘 要 】

A low-profile circularly-polarized (CP) antenna with broad axial-ratio (AR) beamwidth is presented by loading with artificial magnetic conductor (AMC). The antenna consists of a couple of modified dipoles with four crossed symmetrical fan-shaped arms and a magneto-electric (ME) dipole equipped to broaden AR beamwidth. One AMC consists of 5 × 5 units is integrated to reduce the backward scattering wave and simultaneously ensures a low profile. The measured results of one fabricated type reveal that the AMC-integrated antenna accomplishes a wide 3-dB AR beamwidth (>135°) and exhibits a low-profile property with the height of 0.054λ0, which can be applied in the BeiDou Satellite System (BDS).

【 授权许可】

CC BY