IEEE Transactions on Antennas and Propagation (IEEE T ANTENN PROPAG)

Publisher: IEEE Antennas and Propagation Society; Institute of Electrical and Electronics Engineers. Antennas and Propagation Group, Institute of Electrical and Electronics Engineers

Journal description

Theoretical and experimental advances in antennas, including design and development, and in the propagation if electromagnetic waves, including scattering, diffraction, and interaction with continuous media; and applications pertaining to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques.

Current impact factor: 2.46

Impact Factor Rankings

2015 Impact Factor Available summer 2015
2013 / 2014 Impact Factor 2.459
2012 Impact Factor 2.332
2011 Impact Factor 2.151
2010 Impact Factor 1.728
2009 Impact Factor 2.011
2008 Impact Factor 2.479
2007 Impact Factor 1.636
2006 Impact Factor 1.48
2005 Impact Factor 1.452
2004 Impact Factor 0.921
2003 Impact Factor 0.941
2002 Impact Factor 0.944
2001 Impact Factor 1.064
2000 Impact Factor 1.085
1999 Impact Factor 1.612
1998 Impact Factor 1.404
1997 Impact Factor 1.011
1996 Impact Factor 0.931
1995 Impact Factor 0.637
1994 Impact Factor 0.806
1993 Impact Factor 0.734
1992 Impact Factor 0.724

Impact factor over time

Impact factor

Additional details

5-year impact 2.65
Cited half-life 8.00
Immediacy index 0.42
Eigenfactor 0.04
Article influence 0.80
Website IEEE Transactions on Antennas and Propagation website
Other titles IEEE transactions on antennas and propagation, Transactions on antennas and propagation, Antennas and propagation
ISSN 0018-926X
OCLC 1752540
Material type Periodical, Internet resource
Document type Journal / Magazine / Newspaper, Internet Resource

Publisher details

Institute of Electrical and Electronics Engineers

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  • Classification
    ​ green

Publications in this journal

  • IEEE Transactions on Antennas and Propagation 07/2015;
  • IEEE Transactions on Antennas and Propagation 06/2015;
  • [Show abstract] [Hide abstract]
    ABSTRACT: A 433 MHz antenna is proposed for integration with the insole of footwear for a body area network. The folded dipole design with an asymmetric groundplane radiates from its edges and considers the close proximity of the human foot and ground surfaces. It functions for different ground conductivity conditions and an on-body communication link with an Inverted-F Antenna in the upper body area was evaluated on a static and dynamic human subject. The antenna solution was compliant with Specific Absorption Rate requirements, remains matched and links with upper-body nodes regardless of the body posture and node location.
    IEEE Transactions on Antennas and Propagation 05/2015; DOI:10.1109/TAP.2015.2434395
  • Article: ESPAR
    IEEE Transactions on Antennas and Propagation 05/2015;
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    ABSTRACT: A compact phase shifter using reconfigurable defected microstrip structure (RDMS) is proposed for phased array antennas. A complete phase shifter design scheme that serves as an engineering guidance is described. Stepwise phase shifters that have phase-shifting ranges of 90° and 180° with a step size of 45° are designed, fabricated, and tested. The experimental results demonstrate that the size, maximum insertion loss of the phase shifters, and the quantity of the lumped elements are reduced by 80%–90%, 25%–30%, and 50%, respectively, compared to our previous work. Subsequently, a four-element phased array is built employing such RDMS-based phase shifters, realizing a size reduction of 55% in the array size. The measurement results show that the phased array antenna is able to switch its main beam between $-15^circ$, 0°, and 15° in the H-plane, with the average realized gain around 10 dBi.
    IEEE Transactions on Antennas and Propagation 05/2015; 63(5):1985-1996. DOI:10.1109/TAP.2015.2408357
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    ABSTRACT: An inner-field guiding resonator (IFGR) is presented for efficient wireless power transmission (WPT) using resonant inductive coupling in proximity charging condition. The IFGR is inserted into a source resonator to obtain a uniform magnetic field distribution which is the important design factor of a proximity WPT system, because it makes the system simple without an adaptive matching technology. As the location of the target resonator changes, the transmission efficiencies are simulated and measured to validate uniform- and high-transmission efficiency. To optimize the WPT system using the IFGR, the design procedure is proposed. Considering the practical WPT system with ground plane, the proximity WPT system including one or two mobile devices was designed and fabricated. The average of the total efficiency at all positions on the source resonator was measured as 82.9% (one mobile device) and 87.1% (two mobile devices), respectively. These results prove that an efficient proximity WPT system can be successfully designed using the IFGR.
    IEEE Transactions on Antennas and Propagation 05/2015; 63(5):1-1. DOI:10.1109/TAP.2015.2405073
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    ABSTRACT: Full-wave finite-difference time-domain (FDTD) analysis of an invisibility cloak with the cloaking shell, not necessarily enclosing the cloaking region completely, is presented for bipolar cylindrical geometry. The permittivity and the permeability tensors for the cloaking shell are obtained from an effective medium approach in general relativity. The cloak contains the complementary region adjacent to the cloaking shell. The role of the complementary medium is to cancel the phase vectors of the illuminated electromagnetic waves across the boundaries of the line segment. By intelligent design of a cloaking shell and a complementary medium, it is shown that the same cloaking performance as the conventional cloak can be achieved by using only the half of the cloaking shell required for the conventional invisibility cloak.
    IEEE Transactions on Antennas and Propagation 05/2015; 63(5):2317-2320. DOI:10.1109/TAP.2015.2405576
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    ABSTRACT: Wideband electromagnetic sensing and imaging of nonlinearly loaded scatterers is considered. Harmonic scattering theory is first presented, and then a generalized near-field, direct imaging functional is proposed for free-space and near-ground target localization within the context of forward-looking radar standoff detection exploiting sequential single-tone excitation. The developed scattering and imaging analysis framework is illustrated for point-like and extended targets through numerical experiments performed with a hybrid method-of-moments solver, in conjunction with a harmonic balance approach and an asymptotic field propagation technique. The steady-state harmonic scattering responses are examined in the time, frequency, and image domains for scatterers in free-space and half-space environments, and accurate target localization is demonstrated in all cases for each harmonic order considered.
    IEEE Transactions on Antennas and Propagation 05/2015; 63(5):2079-2087. DOI:10.1109/TAP.2015.2405080
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    ABSTRACT: This paper presents imaging and analysis of heterogeneous breast cancer tissue using pulsed terahertz (THz) imaging technology. The goal of this research is to validate and standardize a methodology for THz imaging capable of differentiating between heterogeneous regions of breast tumors. The specimens utilized here were obtained from breast tumors diagnosed as triple negative infiltrating ductal carcinoma (IDC). These tissues were fixed in formalin, embedded in paraffin, and cut into sections of three thicknesses: 10, 20, and $mathbf{30};boldsymbol{upmu}mathbf{m}$. All tissues were prepared on standard glass slides used in regular histopathology of hematoxylin and eosin (H&E) stained sections. The THz pulsed system is used to scan the two dimensional tissue sections with step size of 400, 200, and $mathbf{50};boldsymbol{upmu}mathbf{m}$. The experimentally measured THz fields reflected from single pixels identified in each region of the tumor are validated with the Fresnel reflection coefficient formulation. A variety of signal normalization and processing methods are investigated. The images are also validated with the standard histopathology images. The obtained results of three different tumors demonstrate strong capability of THz reflection imaging mode to distinguish between the heterogeneous regions in the tumor.
    IEEE Transactions on Antennas and Propagation 05/2015; 63(5):2088-2097. DOI:10.1109/TAP.2015.2406893
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    ABSTRACT: A new technique that enables passive ultra high frequency (UHF) radio frequency identification (RFID) tags to be read when they are placed in close proximity in an array is presented. This paper demonstrates that, in a linear tag array with a tag separation of 1 cm, the interaction between the backscattered waves and incident wave causes a significant degradation in tag sensitivity. It is found that the use of tags that have polarization diversity can improve the read performance when they are placed in close proximity to one another compared with conventional linear tags. Two ways of achieving polarization diversity are studied in this paper, namely: 1) using a circularly polarized tag and 2) using a cross-polarized tag pair. Both methods show an improvement in close proximity read performance and it is experimentally demonstrated that by using cross-polarized tag pairs in an array, one achieves on average a 2.6-dB increase in read power margin for a 57-tag array with 1 cm separation compared with using conventional linearly polarized tags.
    IEEE Transactions on Antennas and Propagation 05/2015; 63(5):2264-2271. DOI:10.1109/TAP.2015.2403875
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    ABSTRACT: A new concept of planar magneto-electro-dielectric waveguided metamaterials (MED-WG-MTM) is proposed to manipulate the effective permeability ${mu_{mathrm {eff}}}$ and the effective permittivity ${varepsilon_{mathrm {eff}}}$. The MED-WG-MTM cell consists of an electric complementary spiral ring resonator (CSR) in the upper metallic plane and a magnetic embedded Hilbert-line (EHL) in the ground plane. The characterizations and working mechanisms are investigated in depth through eletromagnetic (EM) simulation, circuit model calculation and effective material parameters analysis. Numerical results show that the MED-WG-MTM can be manipulated with a larger refractive index for miniaturization and a larger wave impedance for bandwidth (BW) enhancement. For demonstration and potential applications, a microstrip patch antenna working at 3.5 GHz and occupying an area of only ${0.20 lambda _0 times 0.20 lambda _0}$ is designed by using the derived flexible three-step frequency tuning method. A good agreement of results between the simulations and measurements suggests that the designed antenna advances in many aspects such as compact dimensions with a 42.53% miniaturization, broad operation band with a 207% impedance BW enhancement, and comparable radiation performances relative to its conventional counterparts.
    IEEE Transactions on Antennas and Propagation 05/2015; 63(5):1-1. DOI:10.1109/TAP.2015.2405081
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    ABSTRACT: This paper proposes a planar high-gain circularly polarized element antenna that can be used for array applications. The substrate-integrated waveguide (SIW) cavity is designed to support dual-resonant modes, the ${bf TE}_{{bf 120}}$-like and ${bf TE}_{{bf 210}}$-like modes, for the implementation of circularly polarized radiation performance. Four rectangular radiation slots and a large perturbation, introduced by inserting a metallic via-brick into the SIW cavity, are deployed to achieve a high simulated gain of 10.28 dBi at 6.65 GHz for the proposed element. As a demonstration of an array application, a $4 times 4$ array antenna is designed using the proposed element with a compact beam-forming network. Experiments are carried out to verify the designed prototypes. The measured peak gains of the designed element and array antennas are 9.6 and 20.1 dBi, respectively, which include the loss from SMA connectors. Good agreement between simulated and measured results is obtained.
    IEEE Transactions on Antennas and Propagation 05/2015; 63(5):1-1. DOI:10.1109/TAP.2015.2402293
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    ABSTRACT: The S-parameters method for bi-anisotropic metamaterials effective constitutive parameters extraction is extended to oblique incidence. The proposed method enables to extract all unknown parameters using S-parameters measured over a single metamaterial slab. The bi-anisotropic metamaterial is a pseudochiral omega medium and assumed to have diagonal permittivity and permeability tensors. The extraction process suggested involves both analytical extraction equations and numerical optimization. This method is utilized to show the limited validity of the assumption of absence of spatial dispersion on which the proposed approach is based. The extraction method is demonstrated over bulk and artificial media such as SRR metamaterial and the results are validated with satisfactory agreement published data in the literature.
    IEEE Transactions on Antennas and Propagation 05/2015; 63(5):2071-2078. DOI:10.1109/TAP.2015.2405078
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    ABSTRACT: Beamforming in series-fed antenna arrays can inherently suffer from beam-squinting. To overcome the beam-squinting problem, low-dispersion, fast-wave transmission lines can be employed. Such transmission lines can be designed by loading a regular transmission line with non-Foster reactive elements (e.g., negative capacitors and inductors). As a result of a recent development, these non-Foster reactive elements can be implemented using loss-compensated negative-group-delay (NGD) networks, providing a solution to the stability issues associated with conventional non-Foster networks. In this work, transmission lines augmented by loss-compensated NGD networks, representing the non-Foster reactive-element loading, are employed for designing wideband fast-wave, low-dispersion transmission lines. This work consolidates this non-Foster reactive element loading method with earlier efforts where NGD networks were used to implement zero-degree phase shifters for beamforming at the broadside direction, and generalizes these methods for arbitrary-angle beamforming from backfire to endfire including the broadside direction. Experimental results are presented for a wideband linear four-element transmitting array feed network for beamforming at 30° with respect to the broadside direction in the frequency range 1–1.5 GHz. By connecting this feed network to four wideband tapered-slot antennas, the beamforming performance is experimentally verified inside an anechoic chamber. Moreover, the antenna array is experimentally tested for transmission of a narrow pulse, where low distortion is observed at the beamforming angle over the entire operating bandwidth. The physical length of the feed network is realistic and is 0.96 wavelengths long at the center of this frequency range. In addition, switched-line phase shifters are employed for squint-free beamforming in three other angles: 60°, 0°, and $-30^{cir- }$.
    IEEE Transactions on Antennas and Propagation 05/2015; 63(5):1997-2010. DOI:10.1109/TAP.2015.2408364
  • IEEE Transactions on Antennas and Propagation 05/2015; 63(5):2381-2381. DOI:10.1109/TAP.2015.2409890