Preconditioners for CG-FMM-FFT implementation in em analysis of large-scale periodic array antennas

Huiqing Zhai; Qiaowei Yuan; Qiang Chen; Kunio Sawaya

doi:10.1093/ietcom/e90-b.3.707

Preconditioners for CG-FMM-FFT implementation in em analysis of large-scale periodic array antennas

Huiqing Zhai, Qiaowei Yuan, Qiang Chen, Kunio Sawaya

ENG - Communications Engineering

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

In this research, a sub-array preconditioner is applied to improve the convergence of conjugate gradient (CG) iterative solver in the fast multipole method and fast Fourier transform (FMM-FFT) implementation on a large-scale finite periodic array antenna with arbitrary geometry elements. The performance of the sub-array preconditioner is compared with the near-group preconditioner in the array antenna analysis. It is found that the near-group preconditioner achieves a little better convergence, while the sub-array preconditioner can be easily constructed and programmed with less CPU-time. The efficiency of the CG-FMM-FFT with high efficient preconditioner has been demonstrated in numerical analysis of a finite periodic array antenna.

Original language	English
Pages (from-to)	707-710
Number of pages	4
Journal	IEICE Transactions on Communications
Volume	E90-B
Issue number	3
DOIs	https://doi.org/10.1093/ietcom/e90-b.3.707
Publication status	Published - 2007 Mar

Keywords

Fast Fourier transform (FFT)
Fast multipole method (FMM)
Large-scale periodic array antenna
Method of moments (MoM)
Preconditioner

ASJC Scopus subject areas

Software
Computer Networks and Communications
Electrical and Electronic Engineering

Access to Document

10.1093/ietcom/e90-b.3.707

Cite this

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abstract = "In this research, a sub-array preconditioner is applied to improve the convergence of conjugate gradient (CG) iterative solver in the fast multipole method and fast Fourier transform (FMM-FFT) implementation on a large-scale finite periodic array antenna with arbitrary geometry elements. The performance of the sub-array preconditioner is compared with the near-group preconditioner in the array antenna analysis. It is found that the near-group preconditioner achieves a little better convergence, while the sub-array preconditioner can be easily constructed and programmed with less CPU-time. The efficiency of the CG-FMM-FFT with high efficient preconditioner has been demonstrated in numerical analysis of a finite periodic array antenna.",

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AU - Yuan, Qiaowei

AU - Chen, Qiang

AU - Sawaya, Kunio

PY - 2007/3

Y1 - 2007/3

N2 - In this research, a sub-array preconditioner is applied to improve the convergence of conjugate gradient (CG) iterative solver in the fast multipole method and fast Fourier transform (FMM-FFT) implementation on a large-scale finite periodic array antenna with arbitrary geometry elements. The performance of the sub-array preconditioner is compared with the near-group preconditioner in the array antenna analysis. It is found that the near-group preconditioner achieves a little better convergence, while the sub-array preconditioner can be easily constructed and programmed with less CPU-time. The efficiency of the CG-FMM-FFT with high efficient preconditioner has been demonstrated in numerical analysis of a finite periodic array antenna.

AB - In this research, a sub-array preconditioner is applied to improve the convergence of conjugate gradient (CG) iterative solver in the fast multipole method and fast Fourier transform (FMM-FFT) implementation on a large-scale finite periodic array antenna with arbitrary geometry elements. The performance of the sub-array preconditioner is compared with the near-group preconditioner in the array antenna analysis. It is found that the near-group preconditioner achieves a little better convergence, while the sub-array preconditioner can be easily constructed and programmed with less CPU-time. The efficiency of the CG-FMM-FFT with high efficient preconditioner has been demonstrated in numerical analysis of a finite periodic array antenna.

KW - Fast Fourier transform (FFT)

KW - Fast multipole method (FMM)

KW - Large-scale periodic array antenna

KW - Method of moments (MoM)

KW - Preconditioner

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Preconditioners for CG-FMM-FFT implementation in em analysis of large-scale periodic array antennas

Abstract

Keywords

ASJC Scopus subject areas

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