A Compact Dual-Band Pattern Diversity Antenna by Dual-Band Reconfigurable Frequency-Selective Reflectors With a Minimum Number of Switches

Chih-Hsiang Ko, I. Young Tarn, Shyh-Jong Chung

Research output: Contribution to journalArticlepeer-review

37 Scopus citations

Abstract

A novel compact dual-band pattern diversity antenna is proposed. Dual-band reconfigurable frequency-selective reflectors are designed and applied to form a right-angle corner reflector antenna with reconfigurable patterns. With only one switch, the reconfigurable frequency-selective reflector can be controlled to be transmissive or reflective to vertically polarized waves at 2.45 and 5.25 GHz. By changing the combinations of the switch states, multiple patterns can be obtained. A dual-band feeding antenna designed via using the coupling effects is made to achieve well-matching conditions in all circumstances corresponding to various switch states at both frequencies. The measured results show good agreement with the calculated ones and demonstrate good pattern diversity virtues.
Original languageEnglish
Pages (from-to)646-654
Number of pages9
JournalIEEE Transactions on Antennas and Propagation
Volume61
Issue number2
DOIs
StatePublished - Feb 2013

Keywords

  • Corner reflector antenna
  • dual band
  • pattern diversity
  • reconfigurable frequency-selective reflector

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