NDLI: The performance of microstrip patch antennas over high impedance EBG substrates within and outside its bandgap

Content Provider	IEEE Xplore Digital Library
Author	Dan Qu Shafai, L.
Copyright Year	2005
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Manitoba Univ., Winnipeg, Man. (Dan Qu; Shafai, L.)
Abstract	Microstrip patch antennas mounted over a high impedance EBG substrate within and outside its main bandgap are studied The structure is equivalent to a new microstrip antenna, where the conducting ground plane is replaced by a high impedance EBG layer. Initially, the bandgaps of the dielectric covered EBG structure are determined. Then, patch antennas are placed over the dielectric cover and designed to work within and outside the EBG's main bandgap. Parametric studies are conducted to maximize their impedance bandwidths and gains. It is found that, very wide bandwidths of around 25 percent, can be obtained by variation of the original antenna and EBG parameters. Their gains are similarly increased. The performance of patch antenna on a single layer dielectric substrate, but surrounded by EBG patches, is also investigated Its gain could be increased significantly, but the bandwidth remained small, similar to a corresponding conventional patch antenna
Sponsorship	IEEE Beijing Sect
Starting Page	423
Ending Page	426
File Size	1566066
Page Count	4
File Format	PDF
ISBN	0780391284
DOI	10.1109/MAPE.2005.1617939
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-08-08
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Photonic band gap Parametric study Patch antennas Dielectric substrates Microstrip antennas Bandwidth Performance gain Metamaterials Impedance Periodic structures
Content Type	Text
Resource Type	Article

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