654 search results - page 21 / 131 » An efficient approximation algorithm for the survivable netw... |
JCM
2008
13 years 8 months ago
2008
Survivability is one of the critical issues and the most important research topics in the fields of wireless sensor networks (WSNs). Energy efficiency is one of the determining fac...
ADHOCNOW
2008
Springer
14 years 3 months ago
2008
Springer
Abstract. A wireless ad-hoc network is a collection of transceivers positioned in the plane. Each transceiver is equipped with a limited, nonreplenishable battery charge. The batte...
WCE
2007
13 years 10 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...
ESA
2008
Springer
13 years 10 months ago
2008
Springer
For several NP-hard network design problems, the best known approximation algorithms are remarkably simple randomized algorithms called Sample-Augment algorithms in [11]. The algor...
COCOON
2008
Springer
13 years 10 months ago
2008
Springer
In this paper, we study the spectrum assignment problem for wireless access networks. Opportunistic spectrum usage is a promising technology. However, it could suffer from the self...