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» Relay sensor placement in wireless sensor networks
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MOBICOM
2003
ACM
15 years 3 months ago
Range-free localization schemes for large scale sensor networks
Wireless Sensor Networks have been proposed for a multitude of location-dependent applications. For such systems, the cost and limitations of the hardware on sensing nodes prevent...
Tian He, Chengdu Huang, Brian M. Blum, John A. Sta...
MP
2006
101views more  MP 2006»
14 years 9 months ago
Robust optimization of contaminant sensor placement for community water systems
We present a series of related robust optimization models for placing sensors in municipal water networks to detect contaminants that are maliciously or accidentally injected. We f...
Robert D. Carr, Harvey J. Greenberg, William E. Ha...
IJACTAICIT
2010
135views more  IJACTAICIT 2010»
14 years 4 months ago
New Clustering Protocol to Decrease Probability Failure Nodes and Increasing the Lifetime in WSNs
Clustering in wireless sensor networks is one of the crucial methods for increasing of network lifetime. There are many algorithms in for clustering. LEACH algorithm is one of the...
Davood KeyKhosravi, Ali Ghaffari, Ali Hosseinalipo...
ITIIS
2010
184views more  ITIIS 2010»
14 years 8 months ago
Class 4 Active RFID Multi-hop Relay System based on IEEE 802.15.4a Low-Rate UWB in Sensor Network
The low-rate (LR) UWB is a promising technology for the ubiquitous sensor network (USN) due to its extremely low power consumption and simple transceiver implementation. However t...
Hong Zhang, SungHyun Hong, KyungHi Chang
INFOCOM
2009
IEEE
15 years 4 months ago
Barrier Information Coverage with Wireless Sensors
Abstract—Sensor networks have been deployed for many barrier coverage applications such as intrusion detection and border surveillance. In these applications, it is critical to o...
Guanqun Yang, Daji Qiao