Browsing by Author "Yi W."

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    An integrated narrowband-wideband antenna
    (2013) Aly M.G.; Yi W.; Department of Communication Engineering; Modern Sciences and Arts University; Wahat Road; 6th of October City; Egypt; Department of Elec. Elec. Comp. Engineering; University of Greenwich; Chatham Maritime; Kent-ME4 4TB; United Kingdom
    In this paper, we proposed an integrated ultra-wideband (UWB) and narrowband (NB) antenna for cognitive radio applications. The UWB antenna was achieved using a fat monopole with a microstrip type feed-line. The antenna can be reconfigured to a switchable NB antenna by the use of cascaded complementary split ring resonators within the feed-line. The reconfigurability was based on a frequency-switchable filter embedded in the feed-line. Simulations and measurements demonstrated that the UWB mode operated from 2 to 10 GHz, while being able to switch to multiple NB frequencies. � 2013 IEEE.