Tunable Band-Notched High Selective UWB Filtering Monopole Antenna

This communication presents the design, fabrication, and testing of a tunable band-notched UWB filtering antenna. The proposed filtering antenna comprises a semiellipsoid radiator and a microstrip transmission line to cover the UWB communication bandwidth from 3.1 to 10.6 GHz. It also comprises two...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2019-08, Vol.67 (8), p.5658-5661
Main Authors: Kingsly, Saffrine, Thangarasu, Deepa, Kanagasabai, Malathi, Alsath, M. Gulam Nabi, Palaniswamy, Sandeep Kumar, Rao, Thipparaju Rama, Subbaraj, Sangeetha, Selvam, Yogeshwari Panneer, Sambandam, Padmathilagam, Ganesan, Geetha
Format: Article
Language:English
Subjects:
Band notch
Bandwidths
Feeds
filtenna
Filtering
Filtration
Local area networks
Microstrip transmission lines
Monopole antennas
Prototypes
Radiators
reconfiguration
Spectrum allocation
T shape
Transmission lines
Tuning
Ultra wideband antennas
Ultrawideband
UWB antenna
Varactor diodes
Varactors
Wideband communications
Wireless LAN
Wireless networks
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Summary:This communication presents the design, fabrication, and testing of a tunable band-notched UWB filtering antenna. The proposed filtering antenna comprises a semiellipsoid radiator and a microstrip transmission line to cover the UWB communication bandwidth from 3.1 to 10.6 GHz. It also comprises two J-shaped open-ended stubs and an asymmetric T-shaped open-ended stub to create notch bands at 3.5 GHz (WiMAX), 5.2 GHz, and 5.8 GHz (WLAN) in the UWB spectrum. The center frequencies of the notch band are tuned continuously using varactors with percentage tuning of 7.5%, 5.38%, and 3.54%. The prototype is fabricated and experimentally validated.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2019.2920997