NDLI: A novel broadband omni-directional circularly polarized antenna for mobile communications

Content Provider	IEEE Xplore Digital Library
Author	Xulin Quan RongLin Li Tentzeris, M.M.
Copyright Year	2011
Description	Author affiliation: School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, 30308, USA (Tentzeris, M.M.) \|\| School of Electronic and Information Engineering, South China University of Technology, Guangzhou 510641, China (Xulin Quan; RongLin Li)
Abstract	This paper presents a new broadband omni-directional circularly polarized (CP) antenna for mobile communications operating nearby 2 GHz. The new omni-directional CP antenna consists of four broadband CP rectangular loops which are bent to form a hollow cylinder. A conducting cylinder is introduced inside the hollow cylinder to improve the CP performance. A broadband balun is developed to feed the CP antenna. This antenna has a compact cylindrical configuration with a diameter of 0.4λ. The simulation shows that this antenna has a bandwidth of 30.8% (1.7 GHz–2.32 GHz) for return loss (RL) ≥10 dB and 36.1% (1.75 GHz–2.52 GHz) for average axial ratio (AR) ≤3 dB. Good agreement between simulated and measured results is achieved.
Starting Page	1777
Ending Page	1779
File Size	307931
Page Count	3
File Format	PDF
ISBN	9781424495627
ISSN	19471491
e-ISBN	9781424495634
DOI	10.1109/APS.2011.5996839
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Broadband antennas Broadband communication Impedance matching Bandwidth Antenna measurements mobile communications broadband antenna circularly polarized antenna omni-directional antenna
Content Type	Text
Resource Type	Article

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