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A Double Square Loop Antenna with Modified Minkowski Fractal Geometry for Multiband Operation

Chatree MAHATTHANAJATUPHAT, Prayoot AKKARAEKTHALIN

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Summary :

A double square loop antenna with fractal geometry that supports for multiband operation is proposed. The antenna has multiband operation in that the generator model, which is an initial model to create a fractal loop antenna to operate at the first and second resonant frequencies, is inserted at each center side of a big square loop antenna. It also has a small square loop to operate at the third resonant frequency. The proposed antenna is implemented and shown to effectively support the global system for mobile communication (880-960 MHz), digital communication system (1710-1880 MHz), personal communication system (1850-1990 MHz), universal mobile telecommunication system (1920-2170 MHz), and wireless local area network (2400-2483 MHz) bands. The radiation patterns of the proposed antenna are still similar to a bidirectional radiation pattern. The properties of the antenna such as return losses, radiation patterns and gain are determined via numerical simulation and measurement.

Publication
IEICE TRANSACTIONS on Communications Vol.E90-B No.9 pp.2256-2262
Publication Date
2007/09/01
Publicized
Online ISSN
1745-1345
DOI
10.1093/ietcom/e90-b.9.2256
Type of Manuscript
Special Section PAPER (Special Section on 2006 International Symposium on Antennas and Propagation)
Category
Antennas

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