208 search results - page 26 / 42 » Complexity of Wavelength Assignment in Optical Network Optim... |
ICC
2009
IEEE
14 years 2 months ago
2009
IEEE
—We consider a system with a single base station communicating with multiple users over orthogonal channels while being assisted by multiple relays. Several recent works have sug...
MOBIHOC
2008
ACM
14 years 7 months ago
2008
ACM
Recently, cooperative communications, in the form of keeping each node with a single antenna and having a node exploit a relay node's antenna, is shown to be a promising appr...
NETWORKING
2004
13 years 9 months ago
2004
We consider the problem of traffic grooming in WDM ring networks. Previous studies have focused on minimizing aggregate representations of the network cost. In this work, we consid...
ICIP
2002
IEEE
14 years 9 months ago
2002
IEEE
This paper is concerned with the efficient transmission of scalable compressed images over lossy communication channels. Recent works have proposed several strategies for assignin...
GLOBECOM
2008
IEEE
14 years 2 months ago
2008
IEEE
— In this paper we study the complexity of spectrum assignment problems in cognitive radio networks (CRNs) in the presence of several constraints. Although optimal spectrum assig...