Design of a Band-Notched UWB Monopole Antenna by Means of an EBG Structure

In this letter, a new compact ultra wideband circular monopole antenna with an acceptable band-rejection characteristic is investigated. This rejection band is created by means of an electromagnetic band-gap (EBG) structure. The EBG structure that is used here is a mushroom-like structure. An equivalent circuit model is employed to investigate the stopband characteristic of the EBG. The operation frequency band is 3.1-10.6 GHz with a rejection band of 0.7 GHz around 5.5 GHz. Accurate and high rejection is achieved. The proposed model is implemented, and the measured results are in good agreement with simulated ones.

[1]  E. Pancera,et al.  Novel Design of UWB Antenna with Band - Notch Capability , 2007, 2007 European Conference on Wireless Technologies.

[2]  M.Y.W. Chia,et al.  Considerations for source pulses and antennas in UWB radio systems , 2004, IEEE Transactions on Antennas and Propagation.

[3]  W. Stutzman,et al.  A UWB antenna with a stop-band notch in the 5-GHz WLAN band , 2005, IEEE/ACES International Conference on Wireless Communications and Applied Computational Electromagnetics, 2005..

[4]  Wei Hong,et al.  Development of Ultrawideband Antenna With Multiple Band-Notched Characteristics Using Half Mode Substrate Integrated Waveguide Cavity Technology , 2008, IEEE Transactions on Antennas and Propagation.

[5]  Vivien Chu,et al.  Ultra Wideband Signals and Systems in Communication Engineering , 2007 .

[6]  Y. Rahmat-Samii,et al.  Microstrip antennas integrated with electromagnetic band-gap (EBG) structures: a low mutual coupling design for array applications , 2003 .

[7]  Wei Hong,et al.  A compact multiple bands notched UWB antenna by loading SIR and SRR on the feed line , 2008, 2008 International Conference on Microwave and Millimeter Wave Technology.

[8]  Q. Chu,et al.  A Compact Ultrawideband Antenna With 3.4/5.5 GHz Dual Band-Notched Characteristics , 2008, IEEE Transactions on Antennas and Propagation.

[9]  Xiao Dong Chen,et al.  Printed circular disc monopole antenna for ultra-wideband applications , 2004 .

[10]  C.K. Aanandan,et al.  Band Notched Semi-elliptic Slot antenna for UWB Systems , 2008, 2008 38th European Microwave Conference.