689 search results - page 69 / 138 » Time-Bounded Essential Localization for Wireless Sensor Netw... |
JIPS
2010
13 years 3 months ago
2010
Secure routing is vital to the acceptance and use of Wireless Sensor Networks (WSN) for many applications. However, providing secure routing in WSNs is a challenging task due to th...
CISS
2008
IEEE
14 years 3 months ago
2008
IEEE
Abstract – In this paper, a variational message passing framework is proposed for Markov random fields. Analogous to the traditional belief propagation algorithm, variational mes...
TMC
2011
13 years 4 months ago
2011
—An energy-efficient, reliable and timely data transmission is essential for wireless sensor networks (WSNs) employed in scenarios where plant information must be available for ...
ICC
2008
IEEE
14 years 3 months ago
2008
IEEE
— In large Wireless Sensor Networks (WSNs), each hop might incur varying delays due to medium access contention, transmission and computation delays. Fast and efficient query re...
BROADNETS
2006
IEEE
14 years 3 months ago
2006
IEEE
Existing slotted channel access schemes in wireless networks assume that slot boundaries at all nodes are synchronized. In practice, relative clock drifts among nodes cause slot mi...