Dual-fed hollow dielectric antenna for dual-frequency operation with large frequency ratio

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Original languageEnglish
Pages (from-to)3308-3313
Journal / PublicationIEEE Transactions on Antennas and Propagation
Issue number6
Online published2 May 2017
Publication statusPublished - Jun 2017


A new dual-fed dual-frequency antenna that integrates a microwave hollow dielectric resonator antenna (DRA) with a high-gain millimeter-wave dielectric Fabry–Perot resonator antenna (FPRA) is investigated. To obtain the dual-frequency operation, the dielectric and air regions of the hollow DRA are designed to satisfy the resonance condition of the FPRA. The DRA and FPRA are excited by a strip and a WR-34 waveguide, respectively. For demonstration, a prototype that covers both 2.4- and 24-GHz ISM bands was fabricated and tested. The S-parameters, radiation pattern, antenna gain, and antenna efficiency are studied, and reasonable agreement between the measured and simulated results is found.

Research Area(s)

  • Dielectric resonator antenna (DRA), Dual-frequency antenna, Fabry-Perot resonator antenna (FPRA)