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Article

Design of Reconfigurable Bandwidth Filtering Antenna and Its Applications in IR/UWB System

by
Zhuohang Zhang
and
Zhongming Pan
*
College of Intelligence Science and Technology, National University of Defense Technology, Changsha 410073, China
*
Author to whom correspondence should be addressed.
Electronics 2020, 9(1), 163; https://doi.org/10.3390/electronics9010163
Submission received: 4 December 2019 / Revised: 13 January 2020 / Accepted: 14 January 2020 / Published: 15 January 2020
(This article belongs to the Special Issue Advanced Antenna Measurement Techniques for Radar, IoT and 5G Applications)
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Abstract

A reconfigurable bandwidth antenna for an impulse radio-UWB (IR/UWB) system design is illustrated in this paper. By adopting a continuously tunable low-pass filter by varactor at the feed of the antenna, the proposed antenna obtains a continuous tunable bandwidth from 1.02 GHz to 2.42 GHz. To ensure the identifiability of transmitted pulses in (IR-UWB) system, the antenna is analyzed in both frequency domain and time domain. The proposed antenna is valid with a system fidelity factor (SFF) above 0.8 while the bandwidth is tuning. The compact size, low cost, and tunable bandwidth with the identifiability of the transmitted pulse makes it suitable for UWB impulse radars to improve the utility ratio of frequency, and dynamic adjustment avoids interference of the IR-UWB in other communication frequency bands.
Keywords: reconfigurable bandwidth; filtering antenna; IR-UWB; SFF; ultra-wideband antenna reconfigurable bandwidth; filtering antenna; IR-UWB; SFF; ultra-wideband antenna

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MDPI and ACS Style

Zhang, Z.; Pan, Z. Design of Reconfigurable Bandwidth Filtering Antenna and Its Applications in IR/UWB System. Electronics 2020, 9, 163. https://doi.org/10.3390/electronics9010163

AMA Style

Zhang Z, Pan Z. Design of Reconfigurable Bandwidth Filtering Antenna and Its Applications in IR/UWB System. Electronics. 2020; 9(1):163. https://doi.org/10.3390/electronics9010163

Chicago/Turabian Style

Zhang, Zhuohang, and Zhongming Pan. 2020. "Design of Reconfigurable Bandwidth Filtering Antenna and Its Applications in IR/UWB System" Electronics 9, no. 1: 163. https://doi.org/10.3390/electronics9010163

APA Style

Zhang, Z., & Pan, Z. (2020). Design of Reconfigurable Bandwidth Filtering Antenna and Its Applications in IR/UWB System. Electronics, 9(1), 163. https://doi.org/10.3390/electronics9010163

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