Simulation-based evolutionary method in antenna design optimization for WLAN and wireless communication applications

Yiming Li*, Shao Ming Yu, Yi Ting Kuo, Yih Lang Li

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this paper, a simulation-based optimization method for the design of antenna pattern applied for mobile broadcasting and the 802.11a WLAN is presented. Based on genetic algorithm (GA), numerical simulation, and unified optimization framework, the optimization methodology is proposed for the antenna design automation. A Z-shaped antenna is optimized with respect to the return loss by our method. Inspired by the scenario of GA for optical proximity correction in our earlier work, we firstly partition the edges of the antenna into segments, and then adjust the movements of each segment to construct the geometry of new antenna. The external simulator is then called to simulate and evaluate the performance of the new antenna. If the simulated results meet the specific constraints, we output the optimized antenna. Otherwise, the evolutionary algorithms will enable us to search solution again. Our preliminary results confirm the robustness and efficiency of the proposed simulation-based optimization method.

Original languageEnglish
Title of host publicationComputational Methods in Science and Engineering - Theory and Computation
Subtitle of host publicationOld Problems and New Challenges, Lectures Presented at the Int. Conf. Computational Methods in Sci. Eng. 2007 ICCMSE 2007
Pages659-670
Number of pages12
Edition1
DOIs
StatePublished - 1 Dec 2007
Event5th International Conference on Computational Methods in Science and Engineering, ICCMSE 2007 - Corfu, Greece
Duration: 25 Sep 200730 Sep 2007

Publication series

NameAIP Conference Proceedings
Number1
Volume963
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference5th International Conference on Computational Methods in Science and Engineering, ICCMSE 2007
CountryGreece
CityCorfu
Period25/09/0730/09/07

Keywords

  • Finite element method
  • Genetic algorithm
  • Maxwell's equations
  • Numerical method. antenna
  • Optimization

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