221 search results - page 16 / 45 » An Energy Efficient Approach to Dynamic Coverage in Wireless... |
ICESS
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. Wireless sensor networks (WSNs) are comprised of energy constrained nodes. This limitation has led to the crucial need for energy-aware protocols to produce an efficient ...
ADHOCNOW
2008
Springer
13 years 8 months ago
2008
Springer
This paper presents a novel method for optimizing sliding window based continuous queries. We deal with two categories of aggregation operations: stepwise aggregation (e.g. COUNT) ...
SENSYS
2009
ACM
14 years 2 months ago
2009
ACM
Energy in sensor networks is a distributed, non-transferable resource. Over time, differences in energy availability are likely to arise. Protocols like routing trees may concent...
TMM
2010
13 years 2 months ago
2010
Abstract--Selective encryption for video streaming was proposed for efficient multimedia content protection. However, the issues on joint optimization of video quality, content pro...
IOR
2008
13 years 7 months ago
2008
Wireless sensor networks pose numerous fundamental coordination problems. For instance, in a number of application domains including homeland security, environmental monitoring an...