An embedded wireless sensor network at 430MHz for agricultural applications

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Title An embedded wireless sensor network at 430MHz for agricultural applications
Author Fraser, Matthew James; Thiel, David Victor; James, Daniel Arthur
Publication Title SPIE International Symposium on Microelectronics, MEMs and Nanotechnology, Proc. SPIE, Vol. 6035, 603516 (2005)
Editor Alex J. Hariz
Year Published 2005
Place of publication USA
Publisher SPIE
Abstract The use of environmental sensors in agriculture and precision agriculture applications is becoming more common, although implementation strategies and capital costs prohibit widespread adoption by many in the industry. Typical costs for agricultural monitoring systems can be in the tens of thousands of dollars per site. This paper presents low cost, wireless sensor nodes and a corresponding low power network. The nodes use biodegradable plastic to house the sensor, support electronics, RF transceiver and a 433 MHz antenna. In this paper the antenna design and network topology is discussed together with the propagation problems associated with a field environment in which the vegetation changes weekly. It is envisaged that such a platform could be ploughed in to the field at the end of its working life. The total cost of construction of the prototype platform is approximately $US10 per sensor. A communication protocol was also developed to allow many of these devices to be installed simultaneously and for the transmission of collected data and dynamic configuration and reprogramming. A receiver system allows for the collation and presentation of collected data. Low cost soil moisture sensors were coupled to the platform and installed in a commercial nursery wholesaler. Field trials of the network were successfully conducted.
Peer Reviewed No
Published Yes
Alternative URI http://dx.doi.org/10.1117/12.638465
Conference name Microelectronics: Design, Technology, and Packaging II
Location Brisbane, Australia
Date From 2005-12-12
Date To 2005-12-14
URI http://hdl.handle.net/10072/8648
Date Accessioned 2006-01-30
Language en_AU
Faculty Faculty of Engineering and Information Technology
Subject PRE2009-Plastics
Publication Type Conference Publications (Full Written Paper - Non-Refereed)
Publication Type Code e2

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