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IJAR
2000
140views more  IJAR 2000»
13 years 4 months ago
Belief updating in multiply sectioned Bayesian networks without repeated local propagations
Multiply sectioned Bayesian networks (MSBNs) provide a coherent and flexible formalism for representing uncertain knowledge in large domains. Global consistency among subnets in a...
Yang Xiang
ISLPED
2003
ACM
138views Hardware» more  ISLPED 2003»
13 years 10 months ago
An environmental energy harvesting framework for sensor networks
Energy constrained systems such as sensor networks can increase their usable lifetimes by extracting energy from their environment. However, environmental energy will typically no...
Aman Kansal, Mani B. Srivastava
SASN
2006
ACM
13 years 10 months ago
Diversify sensor nodes to improve resilience against node compromise
A great challenge in securing sensor networks is that sensor nodes can be physically compromised. Once a node is compromised, attackers can retrieve secret information (e.g. keys)...
Abdulrahman Alarifi, Wenliang Du
CORR
2007
Springer
159views Education» more  CORR 2007»
13 years 4 months ago
Lifetime Improvement in Wireless Sensor Networks via Collaborative Beamforming and Cooperative Transmission
: Collaborative beamforming (CB) and cooperative transmission (CT) have recently emerged as communication techniques that can make effective use of collaborative/cooperative nodes ...
Zhu Han, H. Vincent Poor
ICCCN
2007
IEEE
13 years 11 months ago
On Improving the Precision of Localization with Minimum Resource Allocation
— Autonomous localization of nodes in wireless sensor networks is essential to minimize the complex self organization task and consequently enhancing the overall network lifetime...
Frank Reichenbach, Dirk Timmermann