Three variations of a pattern-reconfigurable microstrip parasitic array

S. Zhang, G. H. Huff, G. Cung, J. T. Bernhard

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

This work describes three variations of pattern-reconfigurable microstrip parasitic arrays (RMPAs) and provides measured results for each. Variation 1 uses two switches to reconfigure the radiation pattern into three directions in the H-plane. Variation 2 uses two varactors to scan the radiation pattern between -27° and 27° in the H-plane by controlling the value of the varactors. Variation 3 uses two inductors and varactors in series so that the scannable range of the H-plane pattern is from ±32° to ±54°. Each variation has a common 2:1 VSWR bandwidth throughout the switching and/or scanning of the radiation pattern. Copper strips or capacitors are used instead of switches or varactors for proof of concept. These three variations have potential applications in both mobile-communication devices and multiple-input multiple-output (MIMO) systems.

Original languageEnglish (US)
Pages (from-to)369-372
Number of pages4
JournalMicrowave and Optical Technology Letters
Volume45
Issue number5
DOIs
StatePublished - Jun 5 2005

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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