Title :
A cognitive radio reconfigurable “filtenna”
Author :
Tawk, Y. ; Zamudio, M.E. ; Costantine, J. ; Christodoulou, C.G.
Author_Institution :
Electr. & Comput. Eng. Dept., Univ. of New Mexico, Albuquerque, NM, USA
Abstract :
This paper presents a new technique to implement a frequency reconfigurable antenna system. The antenna reconfiguration is based on integrating a tunable band-pass filter within the feeding line of the antenna structure. The combination of the filter and the antenna together in the same substrate constitutes a system called “filtenna”. The tuning of the antenna operating frequency is achieved by changing the operating band of the filter via a varactor. A prototype antenna is fabricated and tested. A good agreement is found between the simulated and the measured data.
Keywords :
band-pass filters; cognitive radio; microwave antennas; varactors; antenna structure; cognitive radio reconfigurable filtenna; frequency reconfigurable antenna system; prototype antenna; tunable band-pass filter; varactor; Antenna measurements; Antennas; Band pass filters; Cognitive radio; Varactors; Voltage measurement; band-pass filter; bias tee; channel sensing; cognitive radio; reconfigurable antenna; reconfigurable filter; varactor;
Conference_Titel :
Antennas and Propagation (EUCAP), 2012 6th European Conference on
Conference_Location :
Prague
Print_ISBN :
978-1-4577-0918-0
Electronic_ISBN :
978-1-4577-0919-7
DOI :
10.1109/EuCAP.2012.6206125
