National Changhua University of Education Institutional Repository : Item 987654321/10988

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NCUEIR > College of Engineering > Department and Graduate Institute of Electronic Engineering > Periodical Articles > Item 987654321/10988

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/10988

Title:	Dual-feed dual-polarized patch antenna with low cross polarization and high isolation
Authors:	Sim, Chow-Yen-Desmond;Chang, Chun-Chuan;Row, Jeen-Sheen
Contributors:	電機工程學系
Date:	2009-10
Issue Date:	2012-06-05T02:01:15Z
Publisher:	IEEE
Abstract:	In this communication, a dual-feed dual-polarized microstrip antenna with low cross polarization and high isolation is experimentally studied. Two different feed mechanisms are designed to excite a dual orthogonal linearly polarized mode from a single radiating patch. One of the two modes is excited by an aperture-coupled feed, which comprises a compact resonant annular-ring slot and a T-shaped microstrip feedline; while the other is excited by a pair of meandering strips with a 180 phase differences. Both linearly polarized modes are designed to operate at 2400-MHz frequency band, and from the measured results, it is found that the isolation between the two feeding ports is less than 40 dB across a 10-dB inputimpedance bandwidth of 14%. In addition, low cross polarization is observed fromthe radiation patterns of the two modes, especially at the broadside direction. Simulation analyses are also carried out to support the measured results.
Relation:	IEEE Trans Antennas Propagat, 57(10): 3405-3409
Appears in Collections:	[Department and Graduate Institute of Electronic Engineering] Periodical Articles

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