704 search results - page 79 / 141 » Novel Algorithms for the Network Lifetime Problem in Wireles... |
JCO
2006
13 years 9 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...
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
—E-limited (or K-limited) scheduling is attractive because its performance is close to that of the exhaustive scheduling which is proven to be the optimal polling scheme for symm...
ICDCS
2008
IEEE
14 years 3 months ago
2008
IEEE
A central problem in sensor network security is that sensors are susceptible to physical capture attacks. Once a sensor is compromised, the adversary can easily launch clone attac...
INFOCOM
2007
IEEE
14 years 3 months ago
2007
IEEE
— Channel allocation was extensively studied in the framework of cellular networks. But the emergence of new system concepts, such as cognitive radio systems, has brought this to...
MOBIHOC
2009
ACM
14 years 9 months ago
2009
ACM
Cognitive radio networks are emerging as a promising technology for the efficient use of radio spectrum. In these networks, there are two categories of networks on different chann...