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INFOCOM
2007
IEEE
14 years 4 months ago
2007
IEEE
— We propose the quality-of-service (QoS) driven power allocation schemes for parallel fading channels when considering imperfect channel estimations. In particular, the parallel...
ICC
2007
IEEE
14 years 4 months ago
2007
IEEE
— We address the problem of radio resource allocation in the Downlink (DL) of relay–aided cellular system, based on OFDMA transmission technology. There has been little work on...
GLOBECOM
2007
IEEE
14 years 4 months ago
2007
IEEE
Abstract— Important throughput improvements in multipleinput multiple-output (MIMO) fading channels can be obtained by merging beamforming at the transmitter and maximal ratio co...
GLOBECOM
2007
IEEE
14 years 4 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...
GLOBECOM
2007
IEEE
14 years 1 months ago
2007
IEEE
In this paper, we derive an optimal resource allocation algorithm for ergodic weighted-sum capacity maximization in OFDMA systems assuming the availability of only partial (imperfe...