291 search results - page 16 / 59 » Factor 2 Approximation Algorithm for the Generalized Steiner... |
JCO
2010
13 years 5 months ago
2010
The following planar minimum disk cover problem is considered in this paper: given a set D of n disks and a set P of m points in the Euclidean plane, where each disk covers a subse...
TPDS
2008
13 years 7 months ago
2008
We study the problem of constructing a data gathering tree over a wireless sensor network in order to minimize the total energy for compressing and transporting information from a ...
DCOSS
2006
Springer
13 years 11 months ago
2006
Springer
We develop algorithms for finding the minimum energy transmission schedule for duty-cycle and rate constrained wireless sensor nodes transmitting over an interference channel. Sinc...
ICCAD
2006
IEEE
14 years 4 months ago
2006
IEEE
We present the first efficient approach to global routing that takes spacing-dependent costs into account and provably finds a near-optimum solution including these costs. We sh...
MOBIHOC
2002
ACM
14 years 7 months ago
2002
ACM
Topology control problems are concerned with the assignment of power values to the nodes of an ad hoc network so that the power assignment leads to a graph topology satisfying som...