370 search results - page 9 / 74 » Improved Approximation Algorithms for Connected Sensor Cover |
IPSN
2010
Springer
14 years 1 months ago
2010
Springer
For in-network storage schemes, one maps data, indexed in a logical space, to the distributed sensor locations. When the physical sensor network has an irregular shape and possibl...
INFOCOM
2007
IEEE
14 years 1 months ago
2007
IEEE
— Two fundamental functions of the sensor nodes in a wireless sensor network are to sense its environment and to transmit sensed information to a basestation. One approach to pro...
HICSS
2008
IEEE
13 years 7 months ago
2008
IEEE
Selecting a small set of nodes called pivots, from all the nodes in a network and maintaining the routing infrastructure to and among each other can reduce routing overhead and ex...
JCO
2006
13 years 7 months ago
2006
The paper addresses the relay node placement problem in two-tiered wireless sensor networks. Given a set of sensor nodes in Euclidean plane, our objective is to place minimum numbe...
JCM
2008
13 years 7 months ago
2008
Abstract-- Secure group key distribution and efficient rekeying is one of the most challenging security issues in sensor networks at present. In this paper, Latin square is firstly...