20 search results - page 2 / 4 » Optimal Resource Allocation in the OFDMA Downlink with Feedb... |
ICC
2009
IEEE
13 years 2 months ago
2009
IEEE
In the OFDMA downlink, obtaining Channel State Information (CSI) from users is necessary for the Base Station (BS) to optimize network performance by intelligently allocating resou...
ICC
2009
IEEE
13 years 11 months ago
2009
IEEE
Abstract— The problem of resource allocation (RA) in a downlink OFDMA system is examined under the realistic assumption of imperfect channel state information (CSI) at the base s...
JSAC
2008
13 years 4 months ago
2008
Abstract--In a downlink Orthogonal Frequency Division Multiple Access (OFDMA) system, optimally allocating sub-channels across mobile users can require excessive feedback of channe...
GLOBECOM
2007
IEEE
13 years 8 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...
GLOBECOM
2007
IEEE
13 years 11 months ago
2007
IEEE
—This paper presents an opportunistic feedback (OF) protocol that reduces the amount of channel-state-information (CSI) feedback for the OFDMA downlink system. The OF protocol as...