Mobile antennas and duplexer for 800 MHz band mobile telephone system

Mishima, H.; Taga, Tetsuya

doi:10.1109/aps.1980.1148280

Cited by 10 publications

(3 citation statements)

References 4 publications

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“…There have been previous attempts to increase the bandwidth of the inverted F antenna [3][4][5][6][7][8][9][10][11]. There are ways of optimizing the antenna shape and the shape of the portable receiver housing in order to increase the bandwidth [10,11].…”

Section: Introductionmentioning

confidence: 99%

“…There are ways of optimizing the antenna shape and the shape of the portable receiver housing in order to increase the bandwidth [10,11]. However, the most widely proposed method is to attach additional elements to the inverted F antenna [3][4][5][6][7][8][9]. In these configurations, additional elements resembling the element of the inverted F antenna are placed in close proximity so that the elements are coupled directly or indirectly with the inverted F antenna.…”

Section: Introductionmentioning

confidence: 99%

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Design method for a broadband inverted F antenna by parallel resonance mode

Sekine

Itoh

Odachi

et al. 2004

Electron. Comm. Jpn. Pt. I

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SUMMARYThis paper presents a broadband inverted F antenna realized by adding a wire element and describes a method for its design based on the operating principle. This inverted F antenna has a configuration with a wire element attached at the middle of the wire element already connected at the feed point. Broadband operation is made possible by a new method in which a parallel resonance antenna is combined with the wire inverted F antenna, which is a series resonance antenna. A design method is proposed in which matching at each resonant frequency is independently adjusted by means of these two different resonances. Its effectiveness is demonstrated by experiments and by a simulation by NEC2.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Design method for a broadband inverted F antenna by parallel resonance mode

Sekine

Itoh

Odachi

et al. 2004

Electron. Comm. Jpn. Pt. I

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show abstract

“…In this paper, an antenna system in which the rectangular MSA element is excited by a CPW loaded with an inductive coupling slot is studied by both simulation and experiment in order to make clear the method of construction and radiation characteristics of the antennas. In addition to obtaining design data, the broadband characteristics of the CPW-MSA element with a stacked parasitic MSA element [9] are evaluated by simulation and experiment. The basics of the design method are reported herein.…”

Section: Introductionmentioning

confidence: 99%

Broadband microstrip antenna excited by coplanar waveguide

Haneishi

Ochiai

Suzuki

2002

Electron. Comm. Jpn. Pt. I

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The configuration and radiation characteristics of an antenna system exciting a rectangular microstrip antenna with coplanar waveguide are studied. In addition, a method for broadbanding is discussed. (1) The radiation characteristics of this antenna are characterized by simulation and experiment, and basic design data are obtained. (2) A method of construction for an antenna system with a parasitic element stacked on the microstrip antenna is investigated. It is confirmed that a broadband characteristic of about 23% in terms of return loss (VSWR ≤ 2.0) can be obtained. (3) In addition, the radiation pattern and gain of the present antenna system are studied. It is shown that these characteristics are broadband in nature. Further, the mutual coupling between the elements is studied, since this is important for the consideration of array antenna. Basic design data are obtained. © 2002 Wiley Periodicals, Inc. Electron Comm Jpn Pt 1, 85(10): 1–7, 2002; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/ecja.10010

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Planar inverted‐Eantenna for future generation applications

Chattha

Nasir

Jamal

et al. 2014

Micro & Optical Tech Letters

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This work presents a new simple low‐profile and compact planar inverted‐E antenna (PIEA) which is a modified form of planar inverted‐F antenna having two shorting plates instead of one. A slot is inserted on the ground plane to further enhance the impedance bandwidth of this antenna. This PIEA covers the frequency band from around 1700 MHz to more than 2700 MHz in a single band which covers most of the frequency bands used in 2G, 3G, and 4G applications. The height of this antenna is h = 5 mm which makes it suitable for handheld applications. © 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:2103–2107, 2014

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Mobile antennas and duplexer for 800 MHz band mobile telephone system

Cited by 10 publications

References 4 publications

Design method for a broadband inverted F antenna by parallel resonance mode

Design method for a broadband inverted F antenna by parallel resonance mode

Broadband microstrip antenna excited by coplanar waveguide

Planar inverted‐Eantenna for future generation applications

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