Convergence of SOR in MoM Analysis of Array Antenna

Qiang CHEN  Qiaowei YUAN  Kunio SAWAYA  

Publication
IEICE TRANSACTIONS on Communications   Vol.E88-B   No.5   pp.2220-2223
Publication Date: 2005/05/01
Online ISSN: 
DOI: 10.1093/ietcom/e88-b.5.2220
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Antennas and Propagation
Keyword: 
antenna,  array antennas,  method of moments,  matrix equation,  SOR,  iterative method,  

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Summary: 
Convergence of the iterative method based on the successive overrelaxation (SOR) method is investigated to solve the matrix equation in the moment analysis of array antennas. It is found this method can be applied to the sub domain method of moments with fast convergence if the grouping technique is applied and the over-relaxation parameter is properly selected, and the computation time for solving the matrix equation can be reduced to be almost proportional to the second power of the number of unknowns.