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: 2.18

Impact Factor Rankings

2015 Impact Factor Available summer 2016
2014 Impact Factor 2.181
2013 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 2.35
Cited half-life 8.30
Immediacy index 0.32
Eigenfactor 0.04
Article influence 0.89
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

Publications in this journal

  • [Show abstract] [Hide abstract]
    ABSTRACT: An error bound of the multilevel adaptive cross approximation (MLACA), which is a multilevel version of the adaptive cross approximation-singular value decomposition (ACA-SVD), is rigorously derived. For compressing an off- diagonal submatrix of the method of moments (MoM) impedance matrix with a binary tree, the L-level MLACA includes L+1 steps, and each step includes 2^L ACA-SVD decompositions. If the relative Frobenius norm error of the ACA-SVD used in the MLACA is smaller than \eps, the rigorous proof in this communication shows that the relative Frobenius norm error of the L-level MLACA is smaller than (1+\eps)^(L+1)-1. In practical applications, the error bound of the MLACA can be approximated as \eps (L+1) , because \eps is always <<1 . The error upper bound can be used to control the accuracy of the MLACA. To ensure an error of the L-level MLACA smaller than \eps for different L, the ACA-SVD threshold can be set to (1+\eps)^(1/(L+1))-1 , which approximately equals \eps/(L+1) for practical applications.
    IEEE Transactions on Antennas and Propagation 11/2015; 64(1). DOI:10.1109/TAP.2015.2502624
  • [Show abstract] [Hide abstract]
    ABSTRACT: This paper presents a low-cost low-profile compact waveguide-fed slotted antenna array with very low average sidelobe level (ASLL) in X-band. The desired current distribution on the antenna array's aperture is synthesized using Schelkunoff's unit circle technique combined with genetic algorithm technique. The antenna array design based on the synthesized current distribution is carried out using finite integration technique-based commercial EM simulator. The designed antenna is fabricated using a low-cost fabrication process. The measured results obtained are in good agreement with the simulated results. This work is extremely useful for the radar applications.
    IEEE Transactions on Antennas and Propagation 11/2015; 63(11):1-1. DOI:10.1109/TAP.2015.2475632
  • [Show abstract] [Hide abstract]
    ABSTRACT: A novel high efficient, wideband and single linear polarized slot-based transmitarray antenna is presented. The unit cell comprises three thin metallic layers with air gap in between, without use of any dielectric substrate. Each metallic layer has a square wide slot within which there are a number of parallel stubs. The wide slot has a highpass response with notch at zero frequency. Addition of the stubs creates an extra controllable notch within the wide slot highpass response. Due to the large spacing between the two notches, a passband with low slope phase shift response is created which leads to a wideband transmitarray. The linear polarization behavior of the antenna along with a suitable feed horn and with no dielectric loss present has resulted in higher antenna efficiency. The design of a three metallic layer unit cell is also carried out through a simple circuit-based analysis approach. The transmitarray is fabricated and results are compared with those of simulation. The proposed transmitarray has a measured -1 dB gain bandwidth of 15.5%, peak efficiency of 55% and a cross polarization level of better than -29 dB. The structure is simulated via HFSS software and ADS package is used for equivalent circuit simulation.
    IEEE Transactions on Antennas and Propagation 11/2015; 63. DOI:10.1109/TAP.2015.2476344
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    ABSTRACT: This paper presents a feasible and efficient scattering model of the time-varying complex sea surface process to the field of sea spike modeling. To describe the phenomena of sea spikes as well as the 'super events' from realistic sea clutter, wedges are posited on the two-scale sea surface to provide an approximate simulation of the breaking waves. The scattering of the wedge and multiple reflections that occur from the sea and wedges are considered in ray tracing for a large HH/VV ratio. With this technique, we obtained the time sequence of the time-varying sea surface and identified the spiking events in the background. Sea clutter properties with breaking waves are compared with that of the sea. Results indicate that spiking events are more likely to occur in the sea with breaking waves. The probability distribution function (PDF) curve of the sea surface with breaking waves has a heavy trail in the large amplitude region. The decorrelation time of the sea with breaking waves is significantly longer compared with the sea without breaking waves, particularly, for HH polarization. The spike properties of sea clutter in different wind speeds and resolutions are also investigated. Results show that spike events are more likely to happen under a high sea state and radar resolution. The Doppler spectrum of the sea with breaking waves showed remarkable improvement for both polarizations. All simulation results indicate that the proposed scattering model effectively stimulates sea clutter with a low grazing incident angle and explains the physical mechanism of the sea spikes.
    IEEE Transactions on Antennas and Propagation 11/2015; 63(11):1-1. DOI:10.1109/TAP.2015.2476375

  • IEEE Transactions on Antennas and Propagation 11/2015; 63(11):5093-5097. DOI:10.1109/TAP.2015.2473676

  • IEEE Transactions on Antennas and Propagation 10/2015; DOI:10.1109/TAP.2015.2490252
  • [Show abstract] [Hide abstract]
    ABSTRACT: We propose a new method of gain characterization for circularly polarized antenna arrays especially effective for mm-wave/THz frequencies. The method does not require phase-measurement or rotation of the antenna under test (AUT). It is thus ideal for waveguide-based frequency bands. In contrast to conventional methods, we use reflection-only measurements, utilizing readily available geometries, such as a PEC-plate and a PEC-dihedral corner reflector, to estimate the co- and cross-polarized gain of the AUT. Predicted error using this approach is less than 0.07 dB for the co-pol and 0.26 dB for the cross-pol for an AUT with 17 dBi gain at 100 GHz. Experimental results for a radial line slot array antenna, operating in F-band, show good agreement between the conventional method, and that proposed using phase-less method.
    IEEE Transactions on Antennas and Propagation 10/2015; 63(10):4263 - 4270. DOI:10.1109/TAP.2015.2473685
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    ABSTRACT: In this communication, the design and implementation of a three-band substrate integrated waveguide (SIW) leaky-wave antenna (LWA) based on the composite right/left-handed (CRLH) structure is presented. CRLH unit cell of the proposed antenna is composed of two adjacent interdigital slots with two vias between them. Two CRLH bands along with a new right-handed (RH) band between them are achieved through this structure. The first CRLH band (7.1–10.75 GHz) is balanced and the second one (15.1–21.75 GHz) is unbalanced with 0.25-GHz stop band. Beam scan angle in the first CRLH band is from $- 78^circ $ to $+ 78^circ $, in the second one from $- 40^circ $ to $+ 20^circ $ and in the new RH band (12.6–13.4 GHz) from $+ 22^circ $ to $+ 54^circ $. Antenna radiation efficiency in the first CRLH band is about 90%. Simulated and measured results are compared and there is a good agreement between them.
    IEEE Transactions on Antennas and Propagation 10/2015; 63(10):1-1. DOI:10.1109/TAP.2015.2456951
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    ABSTRACT: Integrated structural-electromagnetic (EM) optimization design is of great importance in the area of antenna design. The quick and exact calculation of patterns for distorted reflectors is an important research topic. In this communication, based on the previous works, a novel pattern approximation method using piecewise linear fitting is presented. The exponential error term in the physical optics (PO) formulation is first approximated by a series of straight lines through the piecewise linear fitting by least-square algorithm. Then, the radiation integral on each structural element is expressed as the summation of the ideal term and perturbation term, which are both weighted by the combinations of coefficients of the corresponding straight lines. Finally, the far field is derived as a simple linear function of structural nodal displacements in a matrix form by assembling the radiation integrals on all the structural elements. Simulation results show that the proposed method (PM) could save the storage space because there is no second-order term of the nodal displacements, facilitate rapid calculation by recalling the prestored data, and has high calculation accuracy even for large size of surface-error profiles.
    IEEE Transactions on Antennas and Propagation 10/2015; 63(10):1-1. DOI:10.1109/TAP.2015.2456932
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    ABSTRACT: A wideband conical-beam circularly polarized (CP) microstrip antenna for an electrically large platform is investigated. The antenna structure simply consists of a center-fed patch and eight shorting vias each of which is surrounded by a modified elliptical-ring slot. The -polarization of the proposed antenna is provided by the shorting vias and the coaxial probe, while the -polarization is generated by the modified elliptical-ring slots. Moreover, the amplitudes of the two orthogonal polarizations can be controlled separately and are less sensitive to the size of the metal platform. By employing the even and odd modes of the elliptical-ring slot, the proposed antenna exhibits a wide impedance bandwidth. A prototype of the antenna is fabricated and mounted on three ground planes, which function as electrically large metal platforms, with the radii of , , and . The measured results show that the wideband CP antenna with these three ground planes have the 10-dB impedance bandwidths of 19.4%, 19.5%, and 19.9%, and the corresponding 3-dB axial ratio (AR) bandwidths of 25.3%, 25.6%, and 24.8%, respectively. A detailed analysis on the radiation characteristics is also carried out for small to extremely large ground plane extensions.
    IEEE Transactions on Antennas and Propagation 10/2015; 63(10):1-1. DOI:10.1109/TAP.2015.2464086
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    ABSTRACT: The radiative transfer equation in a planar stratified atmosphere with multiple scattering can be solved using a previously reported method of propagators. This method here is improved in several ways. Cross-polarized scattering is added. A new propagator equation improves the calculation efficiency. The previous use of only down propagation sometimes gave no solution near the Earth surface. The combined use of up and down propagation gives a solution at all altitudes. New details about the error structure and limitations of the method are provided. A previously unreported problem with computer precision is solved using a new technique called bootstrapping. Bootstrapping also extends the analysis capability of the method to atmospheres with higher total attenuation.
    IEEE Transactions on Antennas and Propagation 10/2015; 63(10):1-1. DOI:10.1109/TAP.2015.2456956
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    ABSTRACT: Radio beams that carry nonzero orbital angular momentum (OAM) are analyzed from the viewpoint of a multiple-input-multiple-output (MIMO) communication system. Often, the natural OAM-beam orthogonality cannot be fully exploited because of spatial constraints on the receiving antenna size. Therefore, we investigate how far OAM-induced phase variations can be exploited in spatial demultiplexing based on conventional (linear momentum) receivers. Performances are investigated versus position and size of the transmitting and receiving devices. The use of OAM-mode coherent superpositions is also considered, in view of recent work by Edfors et al. Our final goal is to assess the merits of an OAM-based MIMO system, in comparison with a conventional one.
    IEEE Transactions on Antennas and Propagation 10/2015; 63(10):1-1. DOI:10.1109/TAP.2015.2456953
  • [Show abstract] [Hide abstract]
    ABSTRACT: The inverse scattering solution of shape and/or material parameter reconstruction is often posed as a problem in nonlinear minimization of an objective function with respect to (usually large) number of unknown model parameters characterizing the scatterer. The minimization procedures are usually iterative, and require the gradient of the objective function in the unknown model parameter vector in each stage of iteration. For large , finite differencing becomes numerically intensive, and an efficient alternative is domain differentiation in which the full gradient is obtained by solving a single scattering problem of an auxiliary field using the same scattering operator as that of the forward solution. A well-known technique in this direction is the so-called adjoint field method, which obtains the gradient by variationally minimizing an augmented objective function that includes the reduced wave equation via a Lagrange multiplier. Results are reported mostly for compact objects. This paper presents the domain derivative calculation of the gradient for an one-dimensional, locally perturbed, and infinitely long dielectric interface. The method is nonvariational and algebraic in nature in that it evaluates the gradient by directly domain differentiating the scattering equations. The computations are straightforward and easy to follow. The mathematical transformation of the scattering problem into the corresponding problem for the differentiated fields can be visualized explicitly. The formulation of and the motivation behind introducing the auxiliary field are explicitly demonstrated. Closed-form analytic expressions are obtained for the gradients for electromagnetic TE/TM scattering from dielectric rough surfaces and for scalar wave scattering from Neumann and Dirichlet rough surfaces. Results are compa- ed with those of compact scatterers. Finally, the relationship between our results and Lorentz reciprocity is pointed out and clarified.
    IEEE Transactions on Antennas and Propagation 10/2015; 63(10):1-1. DOI:10.1109/TAP.2015.2463682