193 search results - page 23 / 39 » Optimizing channel allocation in a unified video-on-demand s... |
PIMRC
2010
IEEE
13 years 5 months ago
2010
IEEE
In a multiuser system, independent time-varying channels among different users can be exploited to provide multiuser diversity (MUD) gain and increase the system throughput. For th...
PIMRC
2008
IEEE
14 years 2 months ago
2008
IEEE
Abstract-We study the design parameters of pilot-symbolassisted modulation (PSAM) schemes for spatially correlated single-input multiple-output (SIMO) systems in time-varying Gauss...
GLOBECOM
2007
IEEE
13 years 11 months ago
2007
IEEE
We consider optimal allocation of resources to users in a downlink OFDMA system to support heterogeneous applications consisting of both deadline-sensitive (DS) and best-effort (BE...
TWC
2011
13 years 2 months ago
2011
Most of the existing literature on cooperative relay networks has focused on frequency– nonselective channels or frequency–selective channels with multi–carrier transmission...
ETT
2002
13 years 7 months ago
2002
This paper deals with spreading sequences selection for downlink and uplink Multi-Carrier Code Division Multiple Access (MC-CDMA) systems with the aim of minimizing the dynamic ran...