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INFOCOM
2007
IEEE
14 years 1 months ago
Fault-Tolerant Relay Node Placement in Heterogeneous Wireless Sensor Networks
— Existing work on placing additional relay nodes in wireless sensor networks to improve network connectivity typically assumes homogeneous wireless sensor nodes with an identica...
Xiaofeng Han, Xiang Cao, Errol L. Lloyd, Chien-Chu...
MOBISYS
2007
ACM
14 years 6 months ago
NodeMD: diagnosing node-level faults in remote wireless sensor systems
Software failures in wireless sensor systems are notoriously difficult to debug. Resource constraints in wireless deployments substantially restrict visibility into the root cause...
Veljko Krunic, Eric Trumpler, Richard Han
COMCOM
2006
150views more  COMCOM 2006»
13 years 6 months ago
Energy-efficient coverage problems in wireless ad-hoc sensor networks
Wireless sensor networks constitute the platform of a broad range of applications related to national security, surveillance, military, health care, and environmental monitoring. ...
Mihaela Cardei, Jie Wu
COMCOM
2008
124views more  COMCOM 2008»
13 years 6 months ago
Quick convergecast in ZigBee beacon-enabled tree-based wireless sensor networks
Convergecast is a fundamental operation in wireless sensor networks. Existing convergecast solutions have focused on reducing latency and energy consumption. However, a good desig...
Meng-Shiuan Pan, Yu-Chee Tseng
SECON
2010
IEEE
13 years 4 months ago
Two-Tiered Constrained Relay Node Placement in Wireless Sensor Networks: Efficient Approximations
In a wireless sensor network, short range multihop transmissions are preferred to prolong the network lifetime due to super-linear nature of energy consumption with communication d...
Dejun Yang, Satyajayant Misra, Xi Fang, Guoliang X...