A novel single-feed circular microstrip antenna with reconfigurable polarization capability

Boyon Kim, Bo Pan, Symeon Nikolaou, Young Sik Kim, John Papapolymerou, Manos M. Tentzeris

Research output: Contribution to journalArticle

150 Citations (Scopus)

Abstract

A single-feed circular microstrip antenna with reconfigurable polarization capability is proposed. This antenna has a simple structure, which consists of a radiating circular patch, five switches (PIN diode), three matching stubs, and a 50 Ω microstrip feed line. It can be switched between 4 different states: Two states (low-frequency and high-frequency) for linear polarization (LP), one state for left hand circular polarization (LHCP) and one for right hand circular polarization (RHCP) by controlling the bias voltage of two PIN diodes. At the same time, three switchable matching stubs are used for matching every polarization state. Simulation results and experimental results show that the proposed antenna demonstrates a low cross polarization level, good impedance bandwidth, and a very good axial ratio in the circularly polarized states.

Original languageEnglish
Pages (from-to)630-638
Number of pages9
JournalIEEE Transactions on Antennas and Propagation
Volume56
Issue number3
DOIs
Publication statusPublished - 2008 Mar 1

Fingerprint

microstrip antennas
Antenna feeders
Microstrip antennas
Polarization
circular polarization
Circular polarization
polarization
antennas
diodes
Diodes
cross polarization
Antennas
linear polarization
switches
Bias voltage
impedance
low frequencies
bandwidth
Switches
electric potential

Keywords

  • Circular polarization
  • Linear polarization
  • Microstrip antenna
  • PIN diode
  • Reconfigurable polarization

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Networks and Communications

Cite this

A novel single-feed circular microstrip antenna with reconfigurable polarization capability. / Kim, Boyon; Pan, Bo; Nikolaou, Symeon; Kim, Young Sik; Papapolymerou, John; Tentzeris, Manos M.

In: IEEE Transactions on Antennas and Propagation, Vol. 56, No. 3, 01.03.2008, p. 630-638.

Research output: Contribution to journalArticle

Kim, Boyon ; Pan, Bo ; Nikolaou, Symeon ; Kim, Young Sik ; Papapolymerou, John ; Tentzeris, Manos M. / A novel single-feed circular microstrip antenna with reconfigurable polarization capability. In: IEEE Transactions on Antennas and Propagation. 2008 ; Vol. 56, No. 3. pp. 630-638.
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