A Novel Compact Reconfigurable Broadband Antenna for Cognitive Radio Applications

Adnan Kantemur, Jinpil Tak, Peyman Siyari, Ahmed H. Abdelrahman, Marwan Krunz, Hao Xin

Research output: Contribution to journalArticlepeer-review

Abstract

A novel reconfigurable antenna covering an 11.5:1 bandwidth is designed and fabricated for cognitive radio applications. The proposed novel antenna has two independent paths to cover 430 MHz to 5 GHz frequency range. The first path is directly connected to an ultrawideband antenna, which covers 1-5 GHz operation frequency range. The second path, for the frequency range between 430 MHz and 1 GHz, goes through a dc-controlled varactor-based matching network. The switching functionality between wideband (1 to 5 GHz) and reconfigurable region (430 MHz to 1 GHz) is realized by two discrete switches. The designed antenna has a simple structure and compact size of 60 mm $\times100$ mm. The proposed novel antenna has great potential for use in cognitive radio systems.

Original languageEnglish (US)
Article number9104027
Pages (from-to)6538-6547
Number of pages10
JournalIEEE Transactions on Antennas and Propagation
Volume68
Issue number9
DOIs
StatePublished - Sep 2020

Keywords

  • Cognitive radio
  • UWB
  • reconfigurable antenna

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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