Injection matched approach for wideband tunable electrically small antennas

Yasin Kabiri Isfahani, Peter Gardner, Costas Constantinou

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


In this study, an approach for making electrically small antennas is proposed. In this technique, a two port configuration is utilised in which one port is exploited (the secondary port) in order to match the other port (the primary port) to the source. Based on the proposed approach a microstrip patch antenna is designed and fabricated. The simulated and measured results show that utilising the proposed technique allows the patch antenna to resonate at a frequency much lower than its intrinsic resonance frequency. Moreover, not only it considerably improves the bandwidth of operation, but also it allows frequency reconfiguration in a wide range.
Original languageEnglish
Pages (from-to)878-886
JournalMicrowaves, Antennas & Propagation
Issue number11
Early online date1 Aug 2014
Publication statusPublished - 6 Aug 2014


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