PEEC-Based Multi-Objective Synthesis of Non-Uniformly Spaced Linear Antenna Arrays

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Linear antenna arrays consisting of dipole antennas find wide applications in wireless communication systems. Typically, arrangements with uniform spacing between the array elements are applied to gain highly directive radiation patterns while controlling the radiation intensity in the side lobes. To describe such arrangements, the so-called pattern multiplication (PM) technique is frequently applied, which inherently neglects the inter-element coupling. In this paper, an antenna array arrangement with non-uniformly spacing between the array elements is synthesized in the multi-objective sense. Therefore, the PM technique is deficient. Hence, numerical techniques have to be applied to compute the electromagnetic field during the optimization process. Due to its simplicity and the consequently reduced computational costs, the partial element equivalent circuit method is applied within the field computation process. The optimization relies on a stochastic particle swarm optimization strategy, namely the firefly algorithm. In this paper, an extended version of the general algorithm with additional hierarchical clustering is applied. Special attention is drawn to the development of a suitable objective function.

Original languageEnglish
Article number7858629
JournalIEEE Transactions on Magnetics
Volume53
Issue number6
DOIs
Publication statusPublished - 1 Jun 2017

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Antenna arrays
Dipole antennas
Equivalent circuits
Electromagnetic fields
Particle swarm optimization (PSO)
Communication systems
Radiation
Costs

Keywords

  • Antenna arrays
  • partial element equivalent circuit (PEEC)
  • particle swarm optimization (PSO)

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Cite this

PEEC-Based Multi-Objective Synthesis of Non-Uniformly Spaced Linear Antenna Arrays. / Bauernfeind, Thomas; Baumgartner, Paul; Bíró, Oszkar; Magele, Christian A.; Preis, Kurt; Torchio, Riccardo.

In: IEEE Transactions on Magnetics, Vol. 53, No. 6, 7858629, 01.06.2017.

Research output: Contribution to journalArticleResearchpeer-review

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