239 search results - page 4 / 48 » Robust computation of aggregates in wireless sensor networks... |
CISS
2008
IEEE
14 years 1 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...
EWSN
2006
Springer
14 years 7 months ago
2006
Springer
Abstract. Sink mobility creates new challenges for several sensor network applications. In mobile sink environments, each sink must propagate its current location continuously, thr...
WISEC
2010
ACM
14 years 8 days ago
2010
ACM
Key management in wireless sensor networks does not only face typical, but also several new challenges. The scale, resource limitations, and new threats such as node capture and c...
COMSUR
2011
12 years 7 months ago
2011
—Wireless sensor networks (WSNs) are networks of distributed autonomous devices that can sense or monitor physical or environmental conditions cooperatively. WSNs face many chall...
DCOSS
2005
Springer
14 years 29 days ago
2005
Springer
Abstract. Achieving optimal battery usage and prolonged network lifetime are two of the most fundamental issues in wireless sensor networks. By exploiting node and data redundancy ...