256 search results - page 47 / 52 » Approximation algorithms for channel allocation problems in ... |
MOBIHOC
2005
ACM
14 years 7 months ago
2005
ACM
We consider a wireless sensor network in which sensors are grouped into clusters, each with its own cluster head (CH). Each CH collects data from sensors in its cluster and relays...
LATIN
2004
Springer
14 years 25 days ago
2004
Springer
Time synchronization is necessary in many distributed systems, but achieving synchronization in sensornets, which combine stringent precision requirements with severe resource con...
GLOBECOM
2009
IEEE
14 years 2 months ago
2009
IEEE
—Wired and wireless data networks have witnessed an explosive growth of inelastic traffics such as real-time or media streaming applications. Recently, applications relying on l...
VTC
2008
IEEE
14 years 1 months ago
2008
IEEE
This paper considers the problem of selecting a subset of nodes in a two-hop wireless network to act as relays in aiding the communication between the source-destination pair. Opt...
ICALP
2003
Springer
14 years 20 days ago
2003
Springer
We study algorithmic problems that are motivated by bandwidth trading in next generation networks. Typically, bandwidth trading involves sellers (e.g., network operators) interest...