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SAINT
2008
IEEE
13 years 11 months ago
Dynamic Relay Node Placement in Wireless Sensor Networks
In this paper we present an online algorithm that attacks the problem of placing relay nodes in regions where high localized congestion is detected. Congestion refers to the netwo...
Jorge Mena, Vana Kalogeraki
ICASSP
2009
IEEE
13 years 11 months ago
Semi-definite programming approach to sensor network node localization with anchor position uncertainty
The problem of node localization in a wireless sensor network (WSN) with the use of the incomplete and noisy distance measurements between nodes as well as anchor position informa...
Kenneth Wing-Kin Lui, Wing-Kin Ma, Hing-Cheung So,...
IROS
2008
IEEE
172views Robotics» more  IROS 2008»
13 years 11 months ago
HybridExploration: A distributed approach to terrain exploration using mobile and fixed sensor nodes
— When an emergency occurs within a building, it may be initially safer to send autonomous mobile nodes, instead of human responders, to explore the area and identify hazards and...
Ettore Ferranti, Niki Trigoni, Mark Levene
TPDS
2008
157views more  TPDS 2008»
13 years 4 months ago
Distributed Localization Using a Moving Beacon in Wireless Sensor Networks
The localization of sensor nodes is a fundamental problem in sensor networks and can be implemented using powerful and expensive beacons. Beacons, the fewer the better, can acquire...
Bin Xiao, Hekang Chen, Shuigeng Zhou
ICC
2007
IEEE
153views Communications» more  ICC 2007»
13 years 11 months ago
A Walking Beacon-Assisted Localization in Wireless Sensor Networks
—The localization of the sensor node is a fundamental problem in sensor networks and can be implemented using powerful and expensive beacons. Beacons, the fewer the better, can a...
Bin Xiao, Hekang Chen, Shuigeng Zhou