NDLI: Vertical Underwater Acoustic Channel Model in Sensor Networks for Coastal Monitoring

Content Provider	IEEE Xplore Digital Library
Author	Pires, J. Colombo, M. Gallardo, J. De Maziani, C. Alcoleas, R.
Copyright Year	2003
Abstract	In this paper a propagation model of acoustic signals in an underwater channel is analyzed. This one is applied to a short vertical communication link. In this way, it's possible to predict the transmission loss, the noise level, the propagation delay and the general shapes of the used acoustic signals. These parameters can be used to design an efficient communication system for transmitting information between a buoy in the surface of the sea, that compose a sensor network for coastal monitoring in the San Jorge gulf, and a data acquisition system in the bottom of the sea. The transmitted signals are encoded using Spread Spectrum Direct Sequence techniques, employing Golay sequences. The simulations results obtained show that it's possible to correctly detect the encoded signals even in those cases where an adverse condition of channel absorption and low SNR are present.
Starting Page	382
Ending Page	388
Page Count	7
File Size	753901
File Format	PDF
ISSN	15480992
Volume Number	11
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-02-01
Publisher Place	U.S.A.
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Irrigation Monitoring Signal to noise ratio Silicon Underwater acoustics Biomedical monitoring Binary phase shift keying underwater acoustic channel coastal monitoring sensor networks spread spectrum technique by direct sequence
Content Type	Text
Resource Type	Article
Subject	Computer Science Electrical and Electronic Engineering

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