NDLI: Underwater Wireless Sensor Networks: How Do Acoustic Propagation Models Impact the Performance of Higher-Level Protocols?

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Underwater Wireless Sensor Networks: How Do Acoustic Propagation Models Impact the Performance of Higher-Level Protocols?

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Underwater Wireless Sensor Networks: How Do Acoustic Propagation Models Impact the Performance of Higher-Level Protocols?

Content Provider	MDPI
Author	Llor, Jesús Malumbres, Manuel P.
Abstract	Several Medium Access Control (MAC) and routing protocols have been developed in the last years for Underwater Wireless Sensor Networks (UWSNs). One of the main difficulties to compare and validate the performance of different proposals is the lack of a common standard to model the acoustic propagation in the underwater environment. In this paper we analyze the evolution of underwater acoustic prediction models from a simple approach to more detailed and accurate models. Then, different high layer network protocols are tested with different acoustic propagation models in order to determine the influence of environmental parameters on the obtained results. After several experiments, we can conclude that higher-level protocols are sensitive to both: (a) physical layer parameters related to the network scenario and (b) the acoustic propagation model. Conditions like ocean surface activity, scenario location, bathymetry or floor sediment composition, may change the signal propagation behavior. So, when designing network architectures for UWSNs, the role of the physical layer should be seriously taken into account in order to assert that the obtained simulation results will be close to the ones obtained in real network scenarios.
File Size	1405952
Ending Page	1335
Page Count	24
Starting Page	1312
File Format	PDF
e-ISSN	14248220
DOI	10.3390/s120201312
Journal	Sensors
Issue Number	2
Volume Number	12
Language	English
Publisher Date	2012-01-31
Access Restriction	Open
Subject Keyword	underwater wireless sensor networks network simulation acoustic propagation models MAC and routing protocols
Content Type	Text
Resource Type	Article

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