172 search results - page 4 / 35 » Improved Approximation Algorithms for Maximum Lifetime Probl... |
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...
IJSNET
2006
13 years 7 months ago
2006
Abstract: This paper addresses the target coverage problem in wireless sensor networks with adjustable sensing range. Communication and sensing consume energy, therefore efficient ...
SECON
2007
IEEE
14 years 1 months ago
2007
IEEE
Base station location has significant impact on network lifetime performance for a sensor network. For a multihop sensor network, this problem is particular challenging as we need ...
ESA
2003
Springer
14 years 20 days ago
2003
Springer
In ad-hoc wireless networks, certain network connectivity constraints are of interest because of their practical importance. An example of such a constraint would be strong connec...
INFOCOM
2007
IEEE
14 years 1 months ago
2007
IEEE
— Power efficient operation is very critical in energy constrained multi-hop wireless networks. One important technique is to intelligently assign transmission powers to nodes w...