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A Low-Cost CPW-Fed Multiband Frequency Reconfigurable Antenna for Wireless Applications
Open AccessArticle

Time Domain Performance of Reconfigurable Filter Antenna for IR-UWB, WLAN, and WiMAX Applications

College of Intelligence Science and Technology, National University of Defense Technology, Changsha 410073, China
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Author to whom correspondence should be addressed.
Electronics 2019, 8(9), 1007; https://doi.org/10.3390/electronics8091007
Received: 21 August 2019 / Revised: 5 September 2019 / Accepted: 7 September 2019 / Published: 9 September 2019
A novel reconfigurable filter antenna with three ports for three dependent switchable states for impulse radio-ultrawideband (IR-UWB)/wireless local area network (WLAN)/worldwide interoperability for microwave access (WiMAX) applications is presented in this paper. Three positive-intrinsic-negative diodes, controlled by direct current, are employed to realize frequency reconfiguration of one ultra-wideband state and two narrowband states (2.4 GHz and 3.5 GHz). The time domain characteristic of the proposed antenna in the ultra-wideband state is studied, because of the features of the IR-UWB system. The time domain analysis shows that the reconfigurable filtering antenna in the wideband state performs similarly to the original UWB antenna. The compact size, low cost, and expanded reconfigurable filtering features make it suitable for IR-UWB systems that are integrated with WLAN/WiMAX communications. View Full-Text
Keywords: time domain performance; filtering antenna; reconfigurable antenna; UWB antenna; IR-UWB system time domain performance; filtering antenna; reconfigurable antenna; UWB antenna; IR-UWB system
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MDPI and ACS Style

Zhang, Z.; Pan, Z. Time Domain Performance of Reconfigurable Filter Antenna for IR-UWB, WLAN, and WiMAX Applications. Electronics 2019, 8, 1007.

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