Medical Asset Tracking Application with Wireless Sensor Networks

2008 ◽  
Author(s):  
Kwangsoo Kim ◽  
Jongarm Jun ◽  
Sunjoong Kim ◽  
Byung Y. Sung
Keyword(s):  
Wireless Sensor Networks ◽  
Sensor Networks ◽  
Wireless Sensor ◽  
Asset Tracking

scholarly journals A Localization Model Based on Irregular Quadrilateral for Wireless Sensor Networks

2013 ◽  
Vol 347-350 ◽  
pp. 1000-1005
Author(s):  
Feng Jun Shang ◽  
Hong Xia Gao
Keyword(s):  
Wireless Sensor Networks ◽  
Sensor Networks ◽  
Reference Sample ◽  
Wireless Sensor ◽  
Good Effect ◽  
Localization Algorithm ◽  
Model Based ◽  
Asset Tracking ◽  
Localization Model ◽  
Unknown Node

Localization is used in location-aware applications such as navigation, autonomous robotic movement, and asset tracking to position a moving object on a coordinate system. In this paper, we present a localization model based on the irregular quadrilateral in wireless sensor networks. Firstly, a quadrilateral-positioning unit is presented. It may prevent the unknown node falls into the external of positioning unit. Lastly, we use RSSI value to find the nearest reference sample nodes from unknown node, compared with the SBL localization algorithm, our algorithm improve the positioning accuracy. Theoretical analysis and simulation results show that the algorithm in wireless sensor networks and other location-based applications have a good effect.

Improved Key Selection Techniques for Wireless Sensor Networks

2012 ◽  
Vol 3 (4) ◽  
pp. 179-182
Author(s):  
R.Dhanalakshmi R.Dhanalakshmi ◽  
◽  
K.Pradeepa K.Pradeepa
Keyword(s):  
Wireless Sensor Networks ◽  
Sensor Networks ◽  
Wireless Sensor
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