IEEE Antennas and Propagation Magazine

Issue 5 • Oct. 2011

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Displaying Results 1 - 25 of 66
  • [Front cover]

    Publication Year: 2011, Page(s): c1
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  • Table of contents

    Publication Year: 2011, Page(s): 3
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  • Information for Contributors

    Publication Year: 2011, Page(s): 4
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  • Magazine Staff

    Publication Year: 2011, Page(s):5 - 6
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  • AP-S Officers and Administrative Committee

    Publication Year: 2011, Page(s): 7
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  • Feature Articles and Contributions Solicited

    Publication Year: 2011, Page(s): 7
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  • Editor's Comments

    Publication Year: 2011, Page(s):8,268 - 273
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  • President's Message

    Publication Year: 2011, Page(s):8 - 9
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  • Paper Submission

    Publication Year: 2011, Page(s): 11
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  • AP-S General Topics

    Publication Year: 2011, Page(s): 12
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  • Steering Committee

    Publication Year: 2011, Page(s): 13
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  • Announcement: 2012 Raj Mittra Travel Grants

    Publication Year: 2011, Page(s): 14
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  • RFID System Based on Fully Printable Chipless Tag for Paper-/Plastic-ltem Tagging

    Publication Year: 2011, Page(s):15 - 32
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6964 KB) | HTML iconHTML

    An RFID system, utilizing a chipless RFID tag on a 90 μm thin Taconic TF290 laminate, is presented. The chipless tag consists of two cross-polarized ultra-wideband antennas and a multi-resonating circuit. The data encoding is performed in the multi-resonating circuit, which is composed of multiple stop-band spiral resonators. The chipless tag encodes data into the spectral signature in both... View full abstract»

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  • Getting the Magazine by Air Freight

    Publication Year: 2011, Page(s): 32
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  • Changes of Address or Delivery Problems

    Publication Year: 2011, Page(s): 32
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  • To All IEEE Life Members

    Publication Year: 2011, Page(s): 32
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  • An Electrically Small Multi-Frequency Genetic Antenna Immersed in a Dielectric Powder

    Publication Year: 2011, Page(s):33 - 40
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1218 KB) | HTML iconHTML

    In this paper, we investigate the performance of an electrically small genetic antenna, immersed in several different powders having relative dielectric constants as large as 12. Placing the antenna in a dielectric reduces its electrical size from about 1/20th of a wavelength in free space to less than 1/50th of a wavelength, in a powder having a dielectric constant of 12, even for a dielectric vo... View full abstract»

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  • Correction

    Publication Year: 2011, Page(s): 40
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  • Broadband Proximity-Fed Modified Rectangular Microstrip Antennas

    Publication Year: 2011, Page(s):41 - 56
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5959 KB) | HTML iconHTML

    The bandwidth of a microstrip antenna is increased by using a thicker and lower-dielectric-constant substrate, or by using multi-resonator gap-coupled and stacked configurations, or by cutting a resonant slot inside the patch. However, with all of these methods, the bandwidth of the antenna is limited by the probe's inductance for substrate thicknesses greater than 0.06λ0 to 0.07... View full abstract»

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  • On the Array Performance of Printed, Ultra-Wideband “Eared” Antennas

    Publication Year: 2011, Page(s):57 - 64
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    The performance of an ultra-wideband (UWB) radiator is examined in a 15-element linear-array environment. The numerically predicted array impedance is validated by means of physical measurements. The broadside scanned radiation patterns of the array are measured and proven to be extremely favorable. A zoom-in on the measured elementary radiation patterns is employed for evidencing the effect of em... View full abstract»

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  • Circularly Polarized Reconfigurable Crossed-Yagi Patch Antenna

    Publication Year: 2011, Page(s):65 - 80
    Cited by:  Papers (17)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4229 KB) | HTML iconHTML

    A reconfigurable crossed-Yagi patch antenna (CYPA) that yields a circularly polarized pattern is proposed, and optimized by a novel Jumping-Genes Genetic Algorithm. This antenna is formed by two identical orthogonal reconfigurable linear Yagi patch arrays, around a single driven patch element. The main lobe of the reconfigurable crossed-Yagi patch antenna covers the elevation angles from 0°... View full abstract»

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  • Time-Domain Far-Field Analysis of Radiation Sources

    Publication Year: 2011, Page(s):81 - 97
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2706 KB) | HTML iconHTML

    A procedure called FARS (Far-field Analysis of Radiation Sources) was 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 a perfect electric conductor in the frequency domain. It is based on a source-integral expression for the fields of an object of interest. Extension of frequency-domain FARS (FDFA... View full abstract»

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  • Resonant Behavior of Radio-Transmission Loss Due to Periodic Building Structures

    Publication Year: 2011, Page(s):98 - 105
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1338 KB) | HTML iconHTML

    This work examines the penetration loss suffered through periodic wall structures currently used by the building industry. A full-wave method, the modal transmission-line (MTL), is used to investigate the radio-propagation behavior through a periodic building structure under the most general condition of oblique incidence (three-dimensional incidence). Widely used periodic building structures are ... View full abstract»

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  • Announcement and call for papers: ISAPE2012 - The 10th International Symposium on Antennas, Propagation, and EM Theory

    Publication Year: 2011, Page(s): 106
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  • Chapter News

    Publication Year: 2011, Page(s):108 - 110
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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