Journal article
Management of orphaned-nodes in wireless sensor networks for smart irrigation systems
S Maheswararajah, SK Halgamuge, KB Dassanayake, D Chapman
IEEE Transactions on Signal Processing | Published : 2011
Abstract
Wireless sensor networks may have unconnected nodes known as orphaned nodes due to their failure in obtaining a network address from a router-capable parent node in the network initialization process. The existence of a large number of orphaned nodes adversely affects the performance of wireless sensor network applications such as real time sensor-based automated irrigation control systems. We investigated the optimal management of orphaned nodes in a sensor network deployed in an automated irrigation system. In practice, it is unavoidable that sensor measurements contain random noise. The presence of orphan nodes adds to the effect of measurement noise further reducing the precision of irri..
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Funding Acknowledgements
Manuscript received September 27, 2010; revised February 07, 2011 and May 23, 2011; accepted May 30, 2011. Date of publication June 23, 2011; date of current version September 14, 2011. The associate editor coordinating the review of this manuscript and approving it for publication was Prof. Anna Scaglione. This work was funded by the Victorian State Government, the University of Melbourne, and Goulburn-Murray Water through the Science and Technology Innovation (STI) Initiative and G08/DAAD Grant on Wireless Sensor Networks.