193 search results - page 7 / 39 » Optimizing channel allocation in a unified video-on-demand s... |
GLOBECOM
2006
IEEE
14 years 1 months ago
2006
IEEE
Abstract— For multi-user orthogonal frequency division multiplexing (OFDM) systems, efficient optimal rate and power allocation algorithms are presented via geometric programmin...
GLOBECOM
2009
IEEE
13 years 5 months ago
2009
IEEE
In this paper, a novel Kalman filter-based power allocation scheme is developed for cooperative networks with inaccurate channel state information (CSI). The channel estimation err...
WIOPT
2005
IEEE
14 years 1 months ago
2005
IEEE
In this paper we develop distributed approaches for power allocation and scheduling in wireless access networks. We consider a model where users communicate over a set of parallel...
TWC
2008
13 years 7 months ago
2008
Node cooperation is an emerging and powerful solution that can overcome the limitation of wireless systems as well as improve the capacity of the next generation wireless networks....
TMC
2011
13 years 2 months ago
2011
We consider the problem of optimal channel access to provide quality of service (QoS) for data transmission in cognitive vehicular networks. In such a network the vehicular nodes ...