# IEEE Transactions on Antennas and Propagation

## Volume 65 Issue 5 • May 2017

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## Filter Results

Displaying Results 1 - 25 of 84

Publication Year: 2017, Page(s):C1 - 2143
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• ### IEEE Transactions on Antennas and Propagation

Publication Year: 2017, Page(s): C2
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• ### A Dual-Polarization $X$ -Band Traveling-Wave Antenna Panel for Small-Satellite Synthetic Aperture Radar

Publication Year: 2017, Page(s):2144 - 2156
Cited by:  Papers (4)
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This paper investigated the possibility of using an X-band traveling-wave antenna for application in synthetic aperture radar (SAR) on a small-satellite platform. A rectangular slotted parallel-plate antenna panel capable of radiating dual polarization over the same physical aperture was selected for this purpose. The design procedure, which provides for an optimal antenna pattern in a SAR applica... View full abstract»

• ### Wideband Glass and Liquid Cylindrical Dielectric Resonator Antenna for Pattern Reconfigurable Design

Publication Year: 2017, Page(s):2157 - 2164
Cited by:  Papers (14)
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A mode reconfigurable dielectric resonator antenna (DRA) to realize radiation pattern reconfiguration is presented for the first time. The DRA is composed of two zones: the inner zone is a solid cylinder fabricated by K9 glass (εr= 6.85) and the outer zone is filled with a dielectric liquid-ethyl acetate (εr= 7.1). Both of them are put into a cylindrical container fabricated ... View full abstract»

• ### Characteristic Mode Analysis of Plasmonic Nanoantennas

Publication Year: 2017, Page(s):2165 - 2172
Cited by:  Papers (9)
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The theory of characteristic modes (TCMs) based on the surface integral equation (SIE) formalism is presented for the analysis of plasmonic nanostructures. With TCM, excitation-independent characteristic solutions of the underlying electromagnetic field problem are obtained. Both single and multiple particle nanostructures are analyzed using the conventional SIE approach and the TCM formalism. By ... View full abstract»

• ### Compact Folded Dipole With Embedded Matching Loop for Universal Tag Applications

Publication Year: 2017, Page(s):2173 - 2181
Cited by:  Papers (9)
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A coin-shaped folded dipole is proposed for designing a UHF tag that can be placed in free space and on metal. The proposed tag antenna is compact ($0.095\lambda )$ and low in profile (1.6 mm). It is composed of a matching loop, which is encircled by two patch-shaped radiating arms, forming an embedded structure that has high compactness. Slots are etched in the radiators for fine-tuning the reson... View full abstract»

• ### A Low-Profile Reconfigurable Cavity-Backed Slot Antenna With Frequency, Polarization, and Radiation Pattern Agility

Publication Year: 2017, Page(s):2182 - 2189
Cited by:  Papers (13)
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A novel cavity-backed slot antenna, with the ability of reconfiguring the frequency, polarization, and radiation pattern, is presented. The reconfigurability is realized by electronically controlling the state of switches between two crossed slots etched on the surfaces of a substrate integrated waveguide cavity. The antenna is capable of simultaneously changing the radiation patterns between forw... View full abstract»

• ### Design of Printed Chipless-RFID Tags With QR-Code Appearance Based on Genetic Algorithm

Publication Year: 2017, Page(s):2190 - 2195
Cited by:  Papers (3)
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In this paper, the design of the chipless-Radio Frequency Identification (RFID) tags based on genetic algorithm (GA) optimization techniques is introduced. The GA is applied for the first time to create a family of frequency-domain chipless tags with a quick responselike appearance. The resultant tags have an area of 30 mm × 30 mm and consist of a grid of small metallic elements arranged arbitrari... View full abstract»

• ### Pattern Reconfigurable Antenna Based on Morphing Bistable Composite Laminates

Publication Year: 2017, Page(s):2196 - 2207
Cited by:  Papers (3)
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In this paper, a novel pattern reconfigurable antenna based on morphing bistable composite laminates is presented. The bistable asymmetric glass-fiber reinforced polymer (GFRP) composite laminates have two stable configurations with curvatures of opposite signs. The antenna pattern is reconfigured by transforming the configuration of the bistable GFRP laminate which acts as the substrate of the an... View full abstract»

• ### 5:1 Bandwidth Dielectric Rod Antenna Using a Novel Feed Structure

Publication Year: 2017, Page(s):2208 - 2214
Cited by:  Papers (1)
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We present an ultrawideband dielectric rod antenna using a novel V-shaped twin-wire tapered transverse electromagnetic waveguide as the feed structure. The new feed taper allows for much wider bandwidth and resolves the pattern degradation in higher frequencies, which is typically encountered in endfire mode dielectric rod antennas. The three sections of the antenna geometry, namely, the feed tape... View full abstract»

• ### Slot Antenna Miniaturization Using Slit, Strip, and Loop Loading Techniques

Publication Year: 2017, Page(s):2215 - 2221
Cited by:  Papers (6)
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The design of a miniaturized slot antenna fed by microstrip line is proposed based on loop, slit, and strip loading techniques. The antenna topologies considered are different combination of loops, slits, and strips on top and bottom of the substrate. It is found that the antenna topology with proper combination of slit and loop on top of substrate and strip on bottom of substrate provides 48.01% ... View full abstract»

• ### Morphing Origami Conical Spiral Antenna Based on the Nojima Wrap

Publication Year: 2017, Page(s):2222 - 2232
Cited by:  Papers (6)
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A two-arm Nojima origami conical spiral antenna (CSA) is designed. The antenna is based on the origami Nojima wrap pattern that enables the antenna to morph from a planar dipole to a conical spiral. The design equations of the Nojima origami CSA are presented and its performance is studied using simulations and measurements. The reflection coefficient, input impedance, gain, and axial ratio of thi... View full abstract»

• ### Frequency-Dependent Directive Radiation of Monopole-Dielectric Resonator Antenna Using a Conformal Frequency Selective Surface

Publication Year: 2017, Page(s):2233 - 2239
Cited by:  Papers (12)
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Development of a conformal frequency selective surface (FSS) for radiation diversity of hybrid monopole-dielectric resonator antenna has been demonstrated in this paper. In the proposed method, a planar FSS screen with meandered unit cell is designed to be reflective at 5 GHz followed by its mapping on a cylindrical surface of flexible dielectric material. The proposed conformal reflector when kep... View full abstract»

• ### A Low-Profile Omnidirectional Circularly Polarized Antenna Using Planar Sector-Shaped Endfire Elements

Publication Year: 2017, Page(s):2240 - 2247
Cited by:  Papers (10)
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A single-layer circularly polarized (CP) antenna with omnidirectional radiation in the azimuth plane has been designed and evaluated. The concept is the combination of multiple identical endfire CP antenna elements in a circular array configuration. The design of each element is based on the superposition of two closely spaced complementary current sources, which are, respectively, realized by a s... View full abstract»

• ### A Wideband Differentially Fed Dual-Polarized Antenna with Stable Radiation Pattern for Base Stations

Publication Year: 2017, Page(s):2248 - 2255
Cited by:  Papers (20)
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A new wideband differentially fed dual-polarized antenna with stable radiation pattern for base stations is proposed and studied. A cross-shaped feeding structure is specially designed to fit the differentially fed scheme and four parasitic loop elements are employed to achieve a wide impedance bandwidth. A stable antenna gain and a stable radiation pattern are realized by using a rectangular cavi... View full abstract»

• ### Bespoke Lenses Based on Quasi-Conformal Transformation Optics Technique

Publication Year: 2017, Page(s):2256 - 2264
Cited by:  Papers (6)
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In this paper, a systematic method to design a quasi-optimum lens profile based on quasi-conformal transformation optics technique for a given excitation is presented. This method is applied to a number of conventional antennas, such as an aperture and a log-spiral slot. In all these configurations, an increase of the directivity is observed. Furthermore, using this method, a quasi-optimum graded ... View full abstract»

• ### Miniaturized Transparent Metallodielectric Resonator Antennas Integrated With Amorphous Silicon Solar Cells

Publication Year: 2017, Page(s):2265 - 2275
Cited by:  Papers (2)
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Miniaturized transparent metallodielectric resonator antennas are developed and integrated on amorphous silicon solar cells. The horizontal metallic strips attached on the sidewalls of transparent low-profile dielectric resonators are used to manipulate electric near-fields and achieve novel dominant modes that represent miniaturized narrowband, wideband, or multiband antennas with various far-fie... View full abstract»

• ### Theory of Impedance Loaded Loop Antennas and Nanorings From RF to Optical Wavelengths

Publication Year: 2017, Page(s):2276 - 2281
Cited by:  Papers (2)
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The analytical theory of perfectly conducting thin-wire closed-loop antennas with multiple loads in the periphery was formally derived in the 1950s and 1960s. In this paper, it is extended to loop antennas and nanorings for use in communications, in the “Internet of things,” and as metamaterials. The new derivation relies on recent work from 2013 that incorporates the surface impedance of metal wi... View full abstract»

• ### A Physically Reconfigurable Structurally Embedded Vascular Antenna

Publication Year: 2017, Page(s):2282 - 2288
Cited by:  Papers (3)
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This paper discusses the fabrication, operation, and physical reconfiguration of a structurally embedded vascular antenna. The antenna is a thin-wire dipole that meanders with rotational symmetry according to a sinusoid with power-series growth. It is formed from two curvilinear vascular networks embedded into a structural composite panel and connected to a conductive vertical interconnect structu... View full abstract»

• ### Single-Port Reconfigurable Magneto-Electric Dipole Antenna With Quad-Polarization Diversity

Publication Year: 2017, Page(s):2289 - 2296
Cited by:  Papers (20)
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We propose a magneto-electric (ME) dipole antenna which is able to provide four states of polarization control, namely, the linear polarization (LP) in x-direction, LP in y-direction, left-hand circular polarization (CP), and righth- and CP. Under each of the two LP states, the reconfigurable ME dipole can be further tuned to work in two adjacent frequency ranges (i.e., a relatively higher band an... View full abstract»

• ### Compact Multimode Monopole Antenna for Metal-Rimmed Mobile Phones

Publication Year: 2017, Page(s):2297 - 2304
Cited by:  Papers (11)
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A compact multimode monopole antenna for heptaband metal-rimmed smartphones is proposed. The metal bezel is kept unbroken and no lumped element is needed. To cover the low band, the bezel mode is excited by a capacitive coupling vertical plate, and a bandwidth enhancement technique is introduced for this mode. For the high band, printed multiple branches on both sides of substrate are well designe... View full abstract»

• ### Maximum Achievable Power Conversion Efficiency Obtained Through an Optimized Rectenna Structure for RF Energy Harvesting

Publication Year: 2017, Page(s):2305 - 2317
Cited by:  Papers (20)
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High-efficiency rectennas for radio frequency (RF) energy harvesting have been studied for decades, but most of the literature straightforwardly applies the rectenna aiming at dedicated RF sources to this situation, even though the level of input power is significantly different. Since previous studies address antenna design collecting more ambient RF power, the improvement of power conversion eff... View full abstract»

• ### Ultrawideband In-Ground Multiport Antenna for Small Cell Applications

Publication Year: 2017, Page(s):2318 - 2327
Cited by:  Papers (1)
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In this paper, a four-port ultrawideband antenna design is proposed. The antenna is suitable for installation in pavements. The main application of this antenna is in the reuse of the existing manholes for radio equipment and antenna installation. Equally important is its application in dense network deployment as a result of its capability to alleviate intercell interference. The antenna can supp... View full abstract»

• ### Compact UHF Three-Element Sequential Rotation Array Antenna for Satcom Applications

Publication Year: 2017, Page(s):2328 - 2338
Cited by:  Papers (9)
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This paper proposes a miniaturized UHF antenna with three sequentially rotated elements operating at 433 MHz for Satcom applications. Like most of its former counterparts, the antenna consists of a main body with three radiation elements driven by a feeding network. To evaluate the matching characteristics of the main body, a united reflection coefficient for the three elements, taking into consid... View full abstract»

• ### Experimental Study of Electrically Compact Retrodirective Monopole Antenna Arrays

Publication Year: 2017, Page(s):2339 - 2347
Cited by:  Papers (2)
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Auto-pointing and angular super-resolution properties of the radiation patterns generated by an electrically compact retrodirective monopole antenna array are demonstrated experimentally for the first time. The operation of electrically compact (element spacings less than one-fifth of the radiation wavelength) retrodirective antenna arrays that were theoretically considered in our previous work is... View full abstract»

## Aims & Scope

IEEE Transactions on Antennas and Propagation includes theoretical and experimental advances in antennas.

Full Aims & Scope

## Meet Our Editors

Editor-in-Chief                                                Danilo Erricolo

tap.editor@ieee.org