42 search results - page 3 / 9 » Downlink OFDMA Resource Allocation Under Partial Channel Sta... |
JSAC
2008
13 years 5 months ago
2008
Abstract--Optimal tone allocation in downlink OFDMA networks is a non-convex NP-hard problem that requires extensive feedback for channel information. In this paper, two constantco...
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...
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...
ICPPW
2009
IEEE
13 years 12 months ago
2009
IEEE
—In this paper, we consider joint optimization of end-to-end data transmission and resource allocation for Wireless-Infrastructured Distributed Cellular Networks (WIDCNs), where ...
CISS
2007
IEEE
13 years 9 months ago
2007
IEEE
Abstract-Joint subcarrier, power and rate allocation in orthogonal frequency division multiple access (OFDMA) scheduling is investigated for both downlink and uplink wireless trans...