Characteristic Analysis of Large Bandwidth Dual-Offset Microstrip-Fed Printed Slot Antenna Using FDTD Method

Yong-Woong JANG  

Publication
IEICE TRANSACTIONS on Communications   Vol.E84-B   No.11   pp.3072-3074
Publication Date: 2001/11/01
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Antenna and Propagation
Keyword: 
microstrip slot antennas,  FDTD,  feed line,  offsets,  

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Summary: 
A dual-offset microstrip-fed slot antenna having large bandwidth studied in this paper. The proposed antenna is analyzed by the Finite Difference Time Domain (FDTD) method. In this case, two offsets and other design parameters of the antenna lead to the good impedance matching over a wide frequency band. The experimental bandwidth is approximately 1.587 octave (-10 dB S11). And the experimented data for the impedance loci, the radiation patterns, and gain of the antenna are also described. The measured results are relatively in good agreement with the FDTD results.