Ghazaany, Tahereh S.
Abd-Alhameed, Raed A.
Jones, Steven M.R.
Noras, James M.
KeywordHelical antennas; Tuning; Antenna radiation patterns; Capacitors; Loaded antennas; Micromechanical devices; Vertical polarisation; Electrically small antenna; ESA; Omni-directional antenna; Tunable antenna
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AbstractA miniaturized conical helix antenna is presented, which displays vertical polarization with electrically small dimensions of 10mm×10mm×45mm. The resonance of the antenna is made tunable by adding a variable digital MEMS capacitor load at the bottom of the helix, giving a tuning range of 316 MHz to 400 MHz. The antenna demonstrates considerable impedance matching bandwidth and gain over the entire tuning frequency band. Most importantly, the antenna is capable of compact, flexible and easy integration into a wireless device package or for platform installation.
VersionNo full-text in the repository
CitationZhu F, Ghazaany TS, Abd-Alhameed RA et al (2014) Miniaturized tunable conical helix antenna. In: Proceedings of the 2014 IEEE Radio and Wireless Symposium. 19-23 Jan 2014, Newport Beach, CA, USA: 100-102.
Link to publisher’s versionhttps://doi.org/10.1109/RWS.2014.6830109
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Improved bandwidth low-profile miniaturized multi-arm logarithmic spiral antennaZhu, Shaozhen (Sharon); Ghazaany, Tahereh S.; Abd-Alhameed, Raed A.; Jones, Steven M.R.; Noras, James M.; Suggett, T.; Van Buren, T.; Marker, S. (2014)
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Investigation, design and implementation of frequency tuneable antennas for mobile handset and UWB applications. Simulation and measurement of tunable antennas for handheld mobile handsets and UWB system, investigations of frequency tuneable range, antenna radiation performance and antenna design optimisation using parametric studiesAbd-Alhameed, Raed A.; Elfergani, Issa T. (University of BradfordSchool of Engineering, Design and Technology, 2012)