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Design and Fabrication of Modified Monopole Antenna for Wireless USB Dongle with WLAN system Applications
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 Title & Authors
Design and Fabrication of Modified Monopole Antenna for Wireless USB Dongle with WLAN system Applications
Lee, Yeong-Seong; Mun, Seung-Min; Kim, Gi-Rae; Yoon, Joong-Han;
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 Abstract
In this paper, we propose a built-in antenna for wireless USB dongle which has a modified structure from the existing planar monopole antenna. The proposed antenna implemented a dual-band characteristic by inserting Strip1, Strip2, Strip3 into the monopole structure combined with `n` shape and feeded 50-Ω using coaxial cable. The antenna is designed on an FR-4 substrate of which the dielectric constant is 4.6, and its overall size is 10 mm × 50 mm × 1mm. Based on the measurement results of the return loss, it was confirmed to satisfy the dual band resonance characteristics of 740 MHz (2.3 ~ 2.7 GHz) and 1,200 MHz (5.15 ~ 5.825 GHz) by -10 dB. In addition, we obtain the omni-directional radiation pattern measurements in the operating frequency bands, and the maximum gain of the proposed antenna has 2.26~3.81 dBi in the 2.4 GHz band and 2.21~5.79 dBi. in the 5.5 GHz band, respectively.
 Keywords
Wireless USB Dongle;Multiband antenna;WLAN application;
 Language
Korean
 Cited by
 References
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