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Signal propagation in aquaculture environment for wireless sensor network applications

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Main Authors: Azizi, Harun, Ndzi, David Lorater, M. F., Ramli, Ali Yeon, Md Shakaff, Prof. Dr.
Other Authors: david.ndzi@port.ac.uk
Format: Article
Language:English
Published: EMW Publishing 2013
Subjects:
Wireless sensor network
Water pollution
Water quality
Aquaculture environment
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/26530
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spelling my.unimap-265302013-07-10T02:27:41Z Signal propagation in aquaculture environment for wireless sensor network applications Azizi, Harun Ndzi, David Lorater M. F., Ramli Ali Yeon, Md Shakaff, Prof. Dr. david.ndzi@port.ac.uk Wireless sensor network Water pollution Water quality Aquaculture environment Link to publisher's homepage at This paper presents results of signal propagation studies for wireless sensor network planning in aquaculture environment for water quality and changes in water characteristics monitoring. Some water pollutants can cause widespread damage to marine life within a very short time period and thus wireless sensor network reliability is more critical than in crop farming. This paper shows that network coverage models and assumptions over land do not readily apply in tropical aquaculture environment where high temperatures are experienced during the day. More speciØcally, due to high humidity caused by evaporation, network coverage at 15cm antenna height is better than at 5m antenna heights due to the presence of a super- refraction (ducting) layer. For a 69m link, the diÆerence between the signal strength measured over several days is more than 7dBm except under anomaly conditions. In this environment, the two-ray model has been found to provide high accuracy for signal propagation over water where there are no objects in close proximity to the propagation path. However, with vegetation in close proximity, accurate signal variation predication must consider contributions from scattered and diÆused components, taking into account frequency selective fading characteristics to represent the temporal and spatial signal variations. 2013-07-10T02:27:41Z 2013-07-10T02:27:41Z 2012 Article Progress in Electromagnetics Research, vol. 131, 2012, pages 477-494 1559-8985 http://onlinewww.jpier.org/PIER/pier131/28.12072506.pdf http://hdl.handle.net/123456789/26530 en EMW Publishing
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Wireless sensor network
Water pollution
Water quality
Aquaculture environment
spellingShingle Wireless sensor network
Water pollution
Water quality
Aquaculture environment
Azizi, Harun
Ndzi, David Lorater
M. F., Ramli
Ali Yeon, Md Shakaff, Prof. Dr.
Signal propagation in aquaculture environment for wireless sensor network applications
description Link to publisher's homepage at
author2 david.ndzi@port.ac.uk
author_facet david.ndzi@port.ac.uk
Azizi, Harun
Ndzi, David Lorater
M. F., Ramli
Ali Yeon, Md Shakaff, Prof. Dr.
format Article
author Azizi, Harun
Ndzi, David Lorater
M. F., Ramli
Ali Yeon, Md Shakaff, Prof. Dr.
author_sort Azizi, Harun
title Signal propagation in aquaculture environment for wireless sensor network applications
title_short Signal propagation in aquaculture environment for wireless sensor network applications
title_full Signal propagation in aquaculture environment for wireless sensor network applications
title_fullStr Signal propagation in aquaculture environment for wireless sensor network applications
title_full_unstemmed Signal propagation in aquaculture environment for wireless sensor network applications
title_sort signal propagation in aquaculture environment for wireless sensor network applications
publisher EMW Publishing
publishDate 2013
url http://dspace.unimap.edu.my/xmlui/handle/123456789/26530
_version_ 1643794952471183360
score 13.18916

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