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http://dx.doi.org/10.7840/kics.2017.42.4.798

Design of Ultra-Wide Band Antenna with Compact MCR Structure for BW Enhancement  

Nadeem, Iram (Chosun University Department of Information and Communication Engineering)
Kim, Young-Jin (chosun college of science & technology)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.42, no.4, 2017 , pp. 798-805 More about this Journal
Abstract
This paper presents a low profile multi circular ring with different radius, patch antenna with modified feed line and slotted ground. The size of the antenna is $15{\times}12mm^2$, having electrical dimensions of $0.14{\lambda}{\times}0.12{\lambda}$ (at lower initial frequency) and footprints of $180mm^2$. The proposed antenna covers 3.1 to 12.3 GHz, reflection coefficient up to -38 dB with Bandwidth ratio of 4.13:1 and fractional Bandwidth of 122%. Bandwidth dimension ratio has been calculated (which is 6246) as a proof for compact size. Thin slots introduced on the feed line provide good impedance matching for whole frequency band. Numerical simulations of the proposed antenna are reported in terms of reflection coefficient ${\leq}-10dB$, vswr 2:1, radiation pattern and group delay (ns). The proposed antenna has advantage of very small size along with better impedance match that provides a practical approach to realize it for BW enhancement and UWB applications.
Keywords
Multi Circular Ring (MCR); Ultra-wide Band (UWB); Slotted ground (SG); Bandwidth dimension ratio (BDR);
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Times Cited By KSCI : 3  (Citation Analysis)
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