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Abstract
Novel hexaferrite substrates and impedance matching networks are both means to deliver electrically small antennas (ESAs). The performance characteristics of each are often restricted to a discussion on the reflection coefficient S11, without consideration of full radiative characterisation. In this work the radiation efficiency and pattern of a hexaferrite patch ESA and impedance-matched sub-resonant Rogers RT5880 patch were compared. The efficiencies of each technique were found to be low, while the pattern of the sub-resonant patch displayed considerable divergence from the half-wavelength behaviour of the hexaferrite patch. The stability of the magnetically-tuned radiation pattern of the hexaferrite patch was then demonstrated over a tuned bandwidth of 32.1%.
Original language | English |
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Title of host publication | 2018 12th European Conference on Antennas and Propagation, EuCAP 2018 |
Publisher | Institute of Electrical and Electronics Engineers (IEEE) |
Number of pages | 5 |
ISBN (Electronic) | 9781785618161 |
ISBN (Print) | 9781785618154 |
DOIs | |
Publication status | E-pub ahead of print - 10 Dec 2018 |
Event | 12th European Conference on Antennas and Propagation - London, United Kingdom Duration: 9 Apr 2018 → 13 Apr 2018 Conference number: 12 http://www.eucap2018.org/ |
Conference
Conference | 12th European Conference on Antennas and Propagation |
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Abbreviated title | EuCAP |
Country/Territory | United Kingdom |
City | London |
Period | 9/04/18 → 13/04/18 |
Internet address |
Keywords
- Electrically small antennas
- hexagonal ferrite
- reconfigurable antennas
- tuning
- UHF antennas
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Dive into the research topics of 'Hexaferrite Substrate Versus Impedance Matching for Tuneable Patch Antenna Miniaturisation'. Together they form a unique fingerprint.Projects
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EPSRC CDT Comms EP/I028153/1
Bull, D. R. (Principal Investigator) & Beach, M. A. (Principal Investigator)
1/04/11 → …
Project: Research