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IEEE Antennas and Propagation Magazine

Issue 1 • Date Feb. 2011

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  • [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):8,237 - 240
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  • President's Message

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

    Publication Year: 2011, Page(s):10 - 11
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  • The Davenport Hotel and Tower

    Publication Year: 2011, Page(s): 12
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  • 2011 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting Registration, Short Courses and Workshops

    Publication Year: 2011, Page(s): 13
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  • Social Events and Companion Tours

    Publication Year: 2011, Page(s):14 - 17
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  • Rigorous Solutions of Electromagnetic Problems Involving Hundreds of Millions of Unknowns

    Publication Year: 2011, Page(s):18 - 27
    Cited by:  Papers (19)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2578 KB) | HTML iconHTML

    Accurate simulations of real-life electromagnetic problems with integral equations require the solution of dense matrix equations involving millions of unknowns. Solutions of these extremely large problems cannot be easily achieved, even when using the most powerful computers with state-of-the-art technology. Hence, many electromagnetic problems in the literature have been solved by resorting to v... View full abstract»

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  • Changes of address or delivery problems

    Publication Year: 2011, Page(s): 27
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  • Getting the Magazine by Air Freight

    Publication Year: 2011, Page(s): 27
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  • Radiation Pattern Computation of Pyramidal Conformal Antenna Array with Active-Element Pattern Technique

    Publication Year: 2011, Page(s):28 - 37
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2570 KB) | HTML iconHTML

    Pyramidal microstrip conformal antenna arrays are analyzed with the use of the Active-Element Pattern (AEP) technique. The active-element patterns of typical elements can be computed effectively by dividing a large antenna, array into small subarrays. This results in a simplified analysis process for a conformal antenna array, and a reduction of the computational resources. Radiation patterns of t... View full abstract»

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  • Differential Evolution as Applied to Electromagnetics

    Publication Year: 2011, Page(s):38 - 49
    Cited by:  Papers (113)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1276 KB) | HTML iconHTML

    In electromagnetics, optimization problems generally require high computational resources and involve a large number of unknowns. They are usually characterized by non-convex functionals and continuous spaces suitable for strategies based on Differential Evolution (DE). In such a framework, this paper is aimed at presenting an overview of Differential Evolution-based approaches used in electromagn... View full abstract»

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  • Low-Cost Digital Beacon Receiver Based on Software-Defined Radio

    Publication Year: 2011, Page(s):50 - 55
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1311 KB) | HTML iconHTML

    In this paper, we present a low-cost digital beacon receiver based on software-defined radio. A free software toolkit, GNU radio, was used to develop the beacon receiver's functionality. The hardware used was a parabolic antenna, a low-noise block converter, an Ettus universal software-radio peripheral, a Linux PC, and a Global Positioning System receiver. The total hardware cost of the developed ... View full abstract»

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  • Wire-Frame Monocone Antenna for Direction-Finding Applications on Unmanned Aerial Vehicle Platform

    Publication Year: 2011, Page(s):56 - 65
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4239 KB) | HTML iconHTML

    A detailed design for a loaded wire-frame monocone antenna for direction-finding applications on an Army UAV platform is presented. This was used to compare simulation and measurement results of radiation-pattern and gain measurements for a scaled prototype mounted on a UAV wing, using the FEKO electromagnetic-simulation software. The results indicated that this antenna design offers bandwidth and... View full abstract»

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  • Diagnostic Analysis of Radio Propagation in UMTS Networks Using High-Resolution Angle-of-Arrival Measurements

    Publication Year: 2011, Page(s):66 - 75
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4527 KB) | HTML iconHTML

    This work describes high-resolution propagation measurements performed as a diagnostic survey in an operational UMTS network. The results were obtained using the measurement system previously presented in. Measurements were performed in a dense urban environment in Amsterdam, the Netherlands. Results showed that the measurement approach can be used to create a setup that is similar to the actual n... View full abstract»

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  • Chapter News

    Publication Year: 2011, Page(s):76 - 78
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  • AP-S Distinguished Lecturer Program for 2009–2010

    Publication Year: 2011, Page(s): 79
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  • Broadband and Dual-Band Coplanar Folded-Slot Antennas (CFSAs) [Antenna Designer's Notebook]

    Publication Year: 2011, Page(s):80 - 89
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3210 KB) | HTML iconHTML

    This paper presents a unified design methodology for dual-band and broadband coplanar folded-slot antennas (CFSAs). The design is achieved by using a coplanar waveguide-fed antenna element that is asymmetric with respect to the folded slot, and by adjusting the length of the stub inside the slot. A mathematical derivation, based on a transmission-line model for the asymmetrically-fed coplanar fold... View full abstract»

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  • Single-Feed Dual-Band Dual-Linearly-Polarized Proximity-Coupled Patch Antenna

    Publication Year: 2011, Page(s):90 - 96
    Cited by:  Papers (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2995 KB) | HTML iconHTML

    In this paper, two novel single-feed dual-band dual-polarized microstrip antennas, fed by proximity coupling, are presented. The first approach begins with a new patch antenna that provides dual-band dual-polarized operation by means of an open-circuit stub, added at the open end of the feed line. By adding a stub to the end of the feed line, one can make an antenna with two resonant frequencies. ... View full abstract»

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  • Introduction [Measurements Corner]

    Publication Year: 2011, Page(s): 98
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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