Small Printed Combined Electric-Magnetic Type Ultrawideband Antenna With Directive Radiation Characteristics

A small printed antenna structure is presented featuring directive radiation patterns over ultrawide frequency band without relying on large antenna dimensions. The antenna comprises virtually two antennas-one electric-type antenna and one magnetic-type antenna-excited simultaneously in close proxim...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2008-01, Vol.56 (1), p.237-241
Main Authors: Do-Hoon Kwon, Balzovsky, E.V., Buyanov, Y.I., Yongjin Kim, Koshelev, V.I.
Format: Article
Language:English
Subjects:
Antenna feeds
Antenna measurements
Antenna radiation patterns
Antennas
Directive antennas
Frequency
Frequency bands
Gain
Gain measurement
Magnetic field measurement
Printed antennas
Prototypes
Proximity
small antennas
Ultra wideband antennas
Ultra wideband technology
Ultrawideband
ultrawideband antennas
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Description
Summary:A small printed antenna structure is presented featuring directive radiation patterns over ultrawide frequency band without relying on large antenna dimensions. The antenna comprises virtually two antennas-one electric-type antenna and one magnetic-type antenna-excited simultaneously in close proximity via one feed point. This combination of radiated fields from different types of sources result in directive radiation patterns without increasing antenna sizes as typically observed in antennas using only one type of sources. Two printed prototypes of the combined antenna are fabricated and their measured VSWR and radiation gain pattern characteristics are discussed.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2007.913153