370 search results - page 2 / 74 » Improved Approximation Algorithms for Connected Sensor Cover |
IJWIN
2006
13 years 6 months ago
2006
Abstract-- We consider a wireless sensor network consisting of a set of sensors deployed randomly. A point in the monitored area is covered if it is within the sensing range of a s...
SECON
2008
IEEE
14 years 22 days ago
2008
IEEE
Abstract—In contrast to existing work on the connected coverage problem in wireless sensor networks which assumes omnidirectional sensors with disk-like sensing range, this paper...
ACID
2006
13 years 7 months ago
2006
We consider the concepts of a t-total vertex cover and a t-total edge cover (t 1), which generalize the notions of a vertex cover and an edge cover, respectively. A t-total verte...
WCE
2007
13 years 7 months ago
2007
—Spatial query execution is an essential functionality of a sensor network. Redundancy within a sensor network can be exploited to reduce the communication cost incurred in execu...
DCOSS
2005
Springer
13 years 12 months 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 ...