Open AccessDesign of an Ultra‐Wideband Antenna Using a Ring Resonator with a Notch Function
Author(s) -
Lee JungNam,
Kwon HeonKook,
Kang ByungSu,
Lee KwangChun
Publication year - 2013
Publication title -
etri journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.295
H-Index - 46
eISSN - 2233-7326
pISSN - 1225-6463
DOI - 10.4218/etrij.13.0113.0472
Subject(s) - omnidirectional antenna , coaxial antenna , stub (electronics) , acoustics , antenna measurement , radiation pattern , antenna (radio) , split ring resonator , monopole antenna , electrical engineering , resonator , physics , antenna efficiency , antenna factor , dielectric resonator antenna , electronic engineering , engineering
This paper describes an ultra‐wideband (UWB) antenna that uses a ring resonator concept. The proposed antenna can operate in the entire UWB, and the IEEE 802.11a frequency band can be rejected by inserting a notch stub into the ring resonator. The experiment results indicate that the measured impedance bandwidth of the proposed antenna is 17.5 GHz (2.5 GHz to at least 20 GHz). The proposed UWB antenna has omnidirectional radiation patterns with a gain variation of 3 dBi (1 dBi to 4 dBi).