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2013-12-16
Tunable Filter-Antennas for Cognitive Radio Applications
By
Progress In Electromagnetics Research B, Vol. 57, 253-265, 2014
Abstract
In this paper, frequency-tunable microstrip antennas, for cognitive radio applications, are proposed. The approach is based on electrically tuning the antenna's operating frequency by integrating reconfigurable band pass filters into wideband antenna structures. The design of an open loop resonator (OLR)-based bandstop filter, and its transformation to a bandpass filter, are investigated first. Then, the incorporation of the bandpass filter, with a wideband antenna, is detailed. The same methodology is employed to design cognitive radio pattern and polarization diversity tunable filter-antennas. A good agreement between the simulated and measured results for the different fabricated prototypes is attained.
Citation
Ali H. Ramadan Joseph Costantine Mohammed Al-Husseini Karim Youssef Kabalan Youssef Tawk Christos Christodoulou , "Tunable Filter-Antennas for Cognitive Radio Applications," Progress In Electromagnetics Research B, Vol. 57, 253-265, 2014.
doi:10.2528/PIERB13112005
http://www.jpier.org/PIERB/pier.php?paper=13112005
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