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Investigation of A Novel Dual Band‐Notched UWB Antenna by the Equivalent Circuit Model and Time Domain Characteristics
Author(s) -
Gao Guoping,
Hu Bin,
Cong Xiaodong,
He Lele
Publication year - 2013
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.27948
Subject(s) - antenna efficiency , antenna measurement , antenna (radio) , electronic engineering , antenna factor , radiation pattern , electrical engineering , microwave , engineering , acoustics , physics , telecommunications
In this article, a dual band‐notched ultrawideband (UWB) antenna is investigated by the equivalent circuit model and time domain characteristics. Transmission line model and L‐C resonant circuit model of the antenna are presented. Transfer function and pulse waveforms are also studied to evaluate the proposed antenna. Experimental results show that the proposed antenna meets the requirement of wide working bandwidth of 3.1–10.6 GHz with voltage‐standing wave ratio <2, while avoiding the interference from WiMAX and 5‐GHz wireless local area network. Radiation patterns and antenna gain study show that the stable radiation characteristics at different frequencies are obtained. The proposed antenna has a compact size, good radiation characteristics, and UWB behaviors to satisfy the requirement of the current UWB wireless communications systems. © 2013 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:2993–3000, 2013

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