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  4. Open-ended dielectric-filled waveguide antenna for underwater usage
 
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Open-ended dielectric-filled waveguide antenna for underwater usage

Publikationstyp
Conference Paper
Date Issued
2014
Sprache
English
Author(s)
Sporer, Michael  
Weigel, Robert  
Kölpin, Alexander  orcid-logo
TORE-URI
http://hdl.handle.net/11420/5618
Start Page
1683
End Page
1686
Article Number
6986779
Citation
European Microwave Conference: 6986779 (2014)
Contribution to Conference
European Microwave Week 2014: Connecting the Future, EuMW 2014 , EuMC 2014  
Publisher DOI
10.1109/EuMC.2014.6986779
In wireless short-range underwater communication a trend towards higher operating frequencies and bandwidth can be noticed in order to increase channel capacity and throughput. For launching electromagnetic waves typically low-directive wire antennas are employed. In this work a new kind of underwater antenna is presented for the 2.4GHz industrial, scientific and medical (ISM) band, based on a dielectric filled open-ended waveguide. The antenna is designed as impedance matching transformer allowing a connection of conventional 50 coaxial cables. The measured 10 dB bandwidth in fresh water is approx. 550MHz (22 %). Compared to a conventional monopole antenna an increase in receive power of approx. 14 dB can be achieved.
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