263 search results - page 43 / 53 » Coverage by directional sensors in randomly deployed wireles... |
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
— Key management has long been a challenging problem in wireless Distributed Sensor Networks (DSNs) due to their high security requirements and strict resource constraints. Recen...
JSAC
2006
13 years 7 months ago
2006
In this paper we address the problem of robustly estimating the position of randomly deployed nodes of a Wireless Sensor Network (WSN), in the presence of security threats. We prop...
PERCOM
2011
ACM
12 years 11 months ago
2011
ACM
—In this work we study the problem of query privacy in large scale sensor networks. Motivated by a novel trust model in which clients query networks owned by trusted entities but...
DCOSS
2006
Springer
13 years 11 months ago
2006
Springer
Abstract. We present a comparative mathematical analysis of two important distinct approaches to hybrid push-pull querying in wireless sensor networks: structured hash-based data-c...
INFOCOM
2005
IEEE
14 years 1 months ago
2005
IEEE
— We consider a network of rechargeable sensors, deployed redundantly in a random sensing environment, and address the problem of how sensor nodes should be activated dynamically...