Accelerated FDTD Analysis of Antennas Loaded by Electric Circuits

Author

Watanabe, Yuta ; Igarashi, Hajime

Author_Institution

Grad. Sch. of Inf. Sci. & Technol., Hokkaido Univ., Sapporo, Japan

Volume

60

Issue

2

fYear

2012

Firstpage

958

Lastpage

963

Abstract

A fast FDTD method for the analysis of antennas loaded by nonlinear electric circuits is introduced. In the present analysis, the modified nodal analysis (MNA) method is coupled with the FDTD method. The time-periodic explicit error correction (TP-EEC) method is applied to the MNA method for accelerated computation of the transient processes. The present method is applied to analysis of simplified models of an RFID tag composed of a nonlinear electric circuit and line antenna. It is shown that the present method can effectively shorten the computational time by accelerating the transient processes.

Keywords

antennas; finite difference time-domain analysis; networks (circuits); accelerated FDTD analysis; line antenna; modified nodal analysis; nonlinear electric circuits; time-periodic explicit error correction; transient processes; Acceleration; Convergence; Equations; Finite difference methods; Steady-state; Time domain analysis; Transient analysis; Electromagnetic waves; FDTD method; RFID tag; TP-EEC method; modified nodal analysis;

fLanguage

English

Journal_Title

Antennas and Propagation, IEEE Transactions on

Publisher

ieee

ISSN

0018-926X

Type

jour

DOI

10.1109/TAP.2011.2173148

Filename

6058623