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IEEE Antennas and Propagation Magazine

Issue 2 • Date April 2012

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Displaying Results 1 - 25 of 76
  • [Front cover]

    Publication Year: 2012, Page(s): c1
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  • [Advertisement]

    Publication Year: 2012, Page(s): c2
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  • Table of contents

    Publication Year: 2012, Page(s): 3
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  • Information for contributors

    Publication Year: 2012, Page(s): 4
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  • [Magazine staff]

    Publication Year: 2012, Page(s):5 - 6
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  • AP-S Officers and Administrative Committee

    Publication Year: 2012, Page(s): 7
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  • Feature articles and contributions solicited

    Publication Year: 2012, Page(s): 7
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  • President's Message

    Publication Year: 2012, Page(s):8 - 9
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  • Editor's Comments

    Publication Year: 2012, Page(s):8,292 - 296
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  • An Overview of the Theory and Applications of Metasurfaces: The Two-Dimensional Equivalents of Metamaterials

    Publication Year: 2012, Page(s):10 - 35
    Cited by:  Papers (271)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5576 KB) | HTML iconHTML

    Metamaterials are typically engineered by arranging a set of small scatterers or apertures in a regular array throughout a region of space, thus obtaining some desirable bulk electromagnetic behavior. The desired property is often one that is not normally found naturally (negative refractive index, near-zero index, etc.). Over the past ten years, metamaterials have moved from being simply a theore... View full abstract»

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  • Changes of Address or Delivery Problems

    Publication Year: 2012, Page(s): 35
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  • Getting the magazine by air freight

    Publication Year: 2012, Page(s): 35
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  • Analysis of the Human Head Interaction in Handset Antennas with Slotted Ground Planes

    Publication Year: 2012, Page(s):36 - 56
    Cited by:  Papers (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5063 KB) | HTML iconHTML

    The interaction between the human head and handset antennas needs to be taken into account, since mobile phones have to be functional, and, at the same time, guarantee biological compatibility. The present research analyzed the performance of several handset antennas with different slotted ground planes in free space and also in the presence of the human head. The main objective was to compare the... View full abstract»

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  • Analysis of Multilayered Periodic Structures Using a Hybrid FDTD/GSM Method

    Publication Year: 2012, Page(s):57 - 73
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2412 KB) | HTML iconHTML

    An efficient algorithm for computing the scattering properties of multilayered periodic structures using a hybrid Finite-Difference Time-Domain/Generalized Scattering Matrix (FDTD/GSM) technique is described. In this technique, the constant-horizontal-wavenumber approach is used to compute the scattering parameters of each periodic layer. A complete Floquet harmonic analysis of the periodic struct... View full abstract»

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  • Miniaturized RFID/UWB Antenna Structure that Can be Optimized for Arbitrary Input Impedance

    Publication Year: 2012, Page(s):74 - 87
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2729 KB) | HTML iconHTML

    This paper presents a novel planar antenna structure with miniaturization capability that fits in a small area, and which can be designed towards any arbitrary input impedance, for RFID applications. The proposed antenna has three main parts: the feeding loop, the extension parts that work mainly as the radiator, and the connection between these parts. This antenna structure can be integrated with... View full abstract»

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  • Multi-Beam Reflector Antenna System Combining Beam Hopping and Size Reduction of Effectively Used Spots

    Publication Year: 2012, Page(s):88 - 99
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2164 KB)

    This paper describes a concept combining beam hopping and size reduction of effectively used spots that can be implemented on multiple-beam antennas to improve their performance, namely the carrier-to-interference ratio, the minimum directivity, and the roll-off. The expected impact on antenna RF performance is demonstrated based on simplified models. A more-realistic focal-array-fed reflector ant... View full abstract»

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  • Time-Domain Far-Field Analysis of Radiation Sources and Point-Source Coherence

    Publication Year: 2012, Page(s):100 - 108
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2449 KB) | HTML iconHTML

    A procedure called FARS (Far-field Analysis of Radiation Sources) has been previously described by the author as a means of determining the quantitative contribution per unit length or per unit area to the power radiated from some object in either the frequency domain or the time domain. Just as frequency-domain and time-domain solutions provide complementary perspectives of general electromagneti... View full abstract»

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  • Double-Tuned Impedance Matching

    Publication Year: 2012, Page(s):109 - 116
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3254 KB) | HTML iconHTML

    In the 1940s, Harold Wheeler developed the principles of double-tuned impedance matching in a simple form. These relationships are not well known. They are very useful for the antenna designer in providing a structured approach to obtain near-maximum bandwidth for narrowband and moderate-band antennas with a specified VSWR limit, using a practical arrangement of tuning elements. Wheeler first deve... View full abstract»

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  • High temperature dielectric constant and loss tangent measurements [advertisement]

    Publication Year: 2012, Page(s): 117
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  • Chapter News

    Publication Year: 2012, Page(s):118 - 120
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  • International Siberian Conference on Control and Communications SIBCON-2011

    Publication Year: 2012, Page(s):121 - 122
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  • A Note from the Distinguished Lecturers' Chair

    Publication Year: 2012, Page(s): 122
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  • IEEE AP-S Chapter and Joint Chapter Chairs

    Publication Year: 2012, Page(s): 123
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  • AP-S Distinguished Lecturer Program for 2011-2012

    Publication Year: 2012, Page(s): 124
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  • AP-S Distinguished Lecturer Program

    Publication Year: 2012, Page(s):125 - 132
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Aims & Scope

IEEE Antennas and Propagation Magazine actively solicits feature articles that describe engineering activities taking place in industry, government, and universities

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Meet Our Editors

Editor-in-Chief
Mahta Moghaddam