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http://dx.doi.org/10.7471/ikeee.2012.16.1.062

Design of Planar Microstrip Antenna at UHF ISM band for the Safety Communication of Life at Sea  

Lee, In-Gon (Information and Communication Engineering, Kongju National University)
Hong, Ic-Pyo (Information and Communication Engineering, Kongju National University)
Publication Information
Journal of IKEEE / v.16, no.1, 2012 , pp. 62-68 More about this Journal
Abstract
The planar microstrip antenna for the safety communication of life at sea is designed and manufactured to effectively receive the emergency wireless signal from the transmitter on the life vest. The proposed microstrip antenna in this paper is easy to make, light weight and cheap compared to other antennas because of printed antenna fabrication. To overcome the narrow bandwidth, large size and low gain characteristics of microstrip antenna, we use the IDMA(Identical Dual Patch Microstrip Antenna with Air-Gap) structure. The proposed antenna was fabricated with the use of 1.6mm FR4 and measured with the 28.7MHz(6.6%) of bandwidth and 3.04dBi of gain at the frequency of 426MHz. To validate the proposed antenna, we experimented the possible distance range at sea using the commercial UHF transceiver module and obtained over 5km distance for stable communication. This antenna can be widely applied to application of the UHF wireless mobile communication.
Keywords
Planar microstrip antenna; UHF; Safety Communication; Life vest; Transceiver;
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