A Semi-Analytical Method to Calculate the Entries of the Method of Moments Matrix for the Mixed Potential Integral Equation of a Source Reconstruction Problem

Sen, Saffet Gokcen

doi:10.2528/pierm15012602

Cited by 2 publications

(1 citation statement)

References 31 publications

(29 reference statements)

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“…In this framework, related semi-analytical techniques from [17][18][19] provide correct initial guesses for the optimization process which are considered to be used and cited. So as listed in Table 1, all the dimensions of the proposed antenna have been optimized according to the results of numerical analysis.…”

Section: Simulation and Measurement Resultsmentioning

confidence: 99%

Broadband CPW-Fed Circularly Polarized Planar Monopole Antenna With Inverted-L Strip and Asymmetric Ground Plane for Wlan Application

Chen¹,

Hou²,

Yang³

et al. 2017

PIER C

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Abstract-A novel broadband circularly polarized planar monopole antenna fed by coplanar waveguide (CPW) is proposed and fabricated. The proposed antenna consists of a rectangular monopole, an inverted-L strip and an asymmetric ground plane with cutting a horizontal slit on the right ground plane. Firstly, a narrow circularly polarized (CP) radiation at the upper band can be achieved by utilizing the asymmetric ground plane. Then, an inverted-L strip is introduced to obtain broadband CP characteristic matched with wide impedance bandwidth. The measured results demonstrate that a 10-dB bandwidth of 58.8% from 4.8 to 8.8 GHz and a 3-dB axial-ratio bandwidth (ARBW) of 47.8% from 5.375 to 8.75 GHz can be achieved which can completely cover the WLAN (5.725-5.85 GHz) band. Additionally, a 10-dB impedance bandwidth of 24% (3.3-4.2 GHz) with linear polarization is also obtained which can completely cover the WiMAX (3.3-3.7 GHz) bands. In additional, to explain the mechanism of dual-band CP operation, the analysis of magnetic fields distributions and a parametric study of the design are given. Compared to other recent works, a simpler structure, wider axial ratio and impedance bandwidths and a more compact size are the key features of the proposed antenna.

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Section: Simulation and Measurement Resultsmentioning

confidence: 99%